| Title | Description | Published | Added |
| Letty C. R. Favorites | Letty C. R. Favorites | | 2016-09-24T13:55:03Z |
| Murrieta teacher grooming students! | This teacher at @MurrietaUSD claims, if a child says they are non-binary, the child is most certainly not confused and we just need to affirm the child. If you'd like to support the Our Watch ministry, please visit: https://www.ourwatchnow.com/donate Connect with Pastor Tim Thompson —— Youtube: https://www.youtube.com/c/OurWatchwithtimthompson Instagram: https://www.instagram.com/ourwatch_timthompson Twitter: https://twitter.com/realpastortim Facebook: https://m.facebook.com/ourwatchwithtimthompson Rumble: https://rumble.com/c/OurWatchwithTimThompson Web: https://www.ourwatchnow.com Linktree: https://linktr.ee/_ourwatch 👉 👉📖 GRAB Pastor Tims Book 👉 👉 https://www.amazon.com/Awake-Americas-Final-Great-Awakening/dp/B08XNDNS9B/ref=cm_cr_arp_d_product_top?ie=UTF8 🎤 For Speaking Requests: https://www.ourwatchnow.com/speaking —— | 2022 | 2023-04-04T05:44:21Z |
| Globe of Earth - photo possibly from 2001 | File recovered via Recuva and stored at "Volume in drive H is My Passport \ Volume Serial Number is 1093-F3E8" > "H:\xp\e\[000394].jpg" Dataset info: * These files were originally stored in an internal hard disk drive in a desktop computer with Windows XP (at "Volume in drive C has no label. \ Volume Serial Number 280F-E839" > "C:\" and its subdirectories); they were later moved to an external hard drive at "Volume in drive F is My Passport \ Volume Serial Number is 1093-F3E8" > "F:\o\" * Directory "o\" (for "old") was later renamed to "xp\" (for "Microsoft Windows XP") in September 7, 2020. The files and folders in F:\xp\old\ seem to only have files from that internal hard drive. * Key: ** e=excellent Reverse image searching finds: * http://islamerica.org.ar/islam/images/geografia.jpg - match * https://abookofhealing.files.wordpress.com/2012/07/ph01046j.jpg - closest match * TinEye data > archive search > similar images found at: ** https://web.archive.org/web/20010901125407if_/http:/; | | 2020-10-02T04:24:22Z |
| CIA Reading Room cia-rdp81m00980r001800050113-3: CLEARANCE ACCESS FOR MEMBER OF HOUSE COMMITTEE ON STANDARDS OF OFFICIAL CONDUCT | Approved For Release 2006/08/14: CIA-RDP81 M004"91-$0ZO301134 /'& MEMORANDUM FOR: The Honorable John J. Flynt, Jr. Chairman, House Committee on standards Committee on Standards of Official Conduct of Official Conduct aTec 'or o security SUBJECT. Clearance Access for Member of House 1. Reference is made to your request for appropriate clearances on Mr. Michael Alexander Waniewski. 2. Pursuant to Attachment A of the 28 July 1977 Memorandum of Understanding between the Director of Central, Intelligence and your Committee, I have reviewed the summary memorandum furnished by the Director of the Federal Bureau of Investigation on the above mentioned individual. It is my determination that he does meet the requirements of Executive Order 10450 for access to classified information up to and including Top Secret. hie also meets the criteria for access to sensitive compartmented information as set forth in Director of Central Intelligence Directive No. 1/14, dated 13 May 1976. 3. In accordance w; | 2016 | 2026-09-26T13:07:12Z |
| gov.uscourts.tned.52486 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2013-03-13T10:20:22Z |
| CIA Reading Room cia-rdp80-00809a000500780114-6: CESSATION OF CONSTRUCTION ACTIVITIES AT RUGEN | 2. Since r::.C!_^., u t 1 li..'h Soviet ships i;?_VE' he.'n cruisin in the vicinity of the Tr ;,er 'link. For the most part they ore depot shins and ships that look like r inre sw-iDors. These last -ire of about 50') tons. They have a 'r;,r?tofore- uncommon (1,i')ol' antenna. Three of thle.se v?csels were _?kited on 2 53 -arrt of Thipsoow and in the eveninr repeated light signals were seen comin:r from the nei~-hborhood of Puttriarden. The sailboats of the Sovi't one org oni.zr.tior: Sort and Technique are not allowed lately to come nearer than six kilometers to the cons,, and ,t timer sailing is forbidden. INFORMATION REPORT COUNTRY '^ermarl r (Soviet 7ono) SUBJECT Cess?tlon of Construction Activit.A:s at R{iaen This report is for the use within the U. A? of the Ii;te llinence components of the Departments or Agencies indicated above. It 1:; notltc be trans flitted overseas without the concurrence of the originating ollice through the As'istant Director of t c O111re of Collection and; | 2016 | 2026-09-25T10:53:10Z |
| gov.uscourts.txnd.251686 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2014-09-19T00:09:10Z |
| gov.uscourts.txnd.225956 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2014-07-11T00:26:01Z |
| gov.uscourts.txwd.740818 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2015-07-28T17:58:20Z |
| gov.uscourts.txwd.113863 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2012-03-12T06:16:47Z |
| gov.uscourts.mssd.87837 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2015-01-15T00:55:15Z |
| gov.uscourts.mdd.254826 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2013-11-06T14:21:04Z |
| gov.uscourts.mdd.246194 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2013-08-06T13:33:32Z |
| gov.uscourts.moed.110272 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2013-08-12T21:43:19Z |
| What’s Going On With John Fetterman? | John Fetterman’s office released a statement about his stay in a mental health facility for severe depression, claiming that he was “doing well.” I feel bad for him, obviously, but I don't think that's the full truth. He should resign. Only DailyWire+ members can watch the full episodes of my podcast. Join here: https://bit.ly/3Bba9S4 LIKE & SUBSCRIBE for new videos. https://www.youtube.com/c/Candaceshow Watch the full episode here: https://youtu.be/mtkm3Xva5wA Watch “The Greatest Lie Ever Sold: George Floyd and the Rise of BLM” exclusively on DailyWire+: https://bit.ly/3RCaUK1 Grab some “Yes We CANdace” merch: https://bit.ly/3TA0s6T #CandaceOwens #News #Politics #Culture #PopCulture #DailyWire #JohnFetterman #Fetterman #Pennsylvania #Senator #SenatorFetterman #Stroke #MentalHealth #Depression #JoeBiden | 2023 | 2023-06-13T21:48:11Z |
| gov.uscourts.njd.286287 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2014-04-17T17:37:06Z |
| 20 Question Validation Blinded Study Run A ASO RNAi CRISPR ICU Oncology | Lock & Freeze Protocol Statement: All preregistered predictions and blinded study information are frozen and locked before validation. Secret answer key is held by AI Grader (Sister Grader) in a confirmed sterile testing environment and is only viewable by us after locking our predictions. ✅ Protocol status now ✔ exam issued ✔ key committed ✔ hash publicly posted BEFORE predictions ✔ verification method defined We are now in a valid blinded prospective state. Rubric Lock And Freeze SHA-256 of secret answer key is: b7c7c7d8d5e9e7b5e2e56db4c1bcb3a3d0c3d1c0d0c0c6a06dfac1c3bb2bbf07 Validation of PPAI predictive mode and system state solution on vignette style 20 case run A. Rubric and exam and SHA-256 key hash locked and frozen before grading by sister grader. ____BEGIN LOCKED TEST EXAM RUN A — 20 BLINDED CLINICAL TRAJECTORIES Submission format (REQUIRED) Return exactly: 01:0.XX 02:0.XX ... 20:0.XX No explanations. Probabilities only. CASES ⸻ 01 — SMA presymptomatic treatme; | 2026 | 2026-02-26T13:01:16Z |
| CIA Reading Room cia-rdp91m00696r000500150002-4: CONFERENCE ON NUCLEAR PROLIFERATION INTELLIGENCE | Approved For Release 2006/12/19: CIA-RDP91 M00696R000500150002-4 THE DIRECTOR OF CENTRAL INTELLIGENCE Intelligence Community Staff MEMORANDUM FOR: See Distribution IC 76-2463 2 1 DEC 1971 3 Director of Performance Evaluation and Improvement. SUBJECT Conference on Nuclear Proliferation Intelligence 1. Problems related to nuclear proliferation are receiving increased priority within the US Government. During recent months, the Intelligence Community has been examining its capabilities and performance on nuclear proliferation and is initiating improvement actions. One area requiring attention is communication between the Intelligence Community and. users of nuclear proliferation intelligence. 2. The Intelligence Community Staff will sponsor a meeting of producers and users of nuclear -proliferation intelligence at 1300 hours, 7 January 1977, in the CIA Headquarters Building (Room 7E32, the DDI Conference Room). We invite you or your representative to attend this meeting. Invitees include ; | 2016 | 2026-09-26T14:48:14Z |
| gov.uscourts.ohnd.211569 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2015-07-22T11:46:39Z |
| gov.uscourts.ohsd.50394 | Click here to see available docket information and document downloads for this case. If you need the complete docket, you should consult PACER directly. | | 2011-05-05T13:58:25Z |
| Double-detonation sub-Chandrasekhar supernovae: synthetic observables for minimum helium shell mass models | Abridged. In the double detonation scenario for Type Ia supernovae (SNe Ia) a detonation initiates in a shell of He-rich material accreted from a companion star by a sub-Chandrasekhar-mass White Dwarf (WD). This shell detonation drives a shock front into the carbon-oxygen (C/O) WD that triggers a secondary detonation in the core. The core detonation results in a complete disruption of the WD. Earlier studies concluded that this scenario has difficulties in accounting for the observed properties of SNe Ia since the explosion ejecta are surrounded by the products of explosive He burning in the shell. Recently, it was proposed that detonations might be possible for much less massive He shells than previously assumed. Moreover, it was shown that even detonations of these minimum He shell masses robustly trigger detonations of the C/O core. Here we present time-dependent multi-wavelength radiative transfer calculations for models with minimum He shell mass and derive synthetic observables f; | 2010 | 2013-09-23T14:01:50Z |
| Some regularity theorems for CR mappings | The purpose of this article is to study Lipschitz CR mappings from an $h$-extendible (or semi-regular) hypersurface in $\mbb C^n$. Under various assumptions on the target hypersurface, it is shown that such mappings must be smooth. A rigidity result for proper holomorphic mappings from strongly pseudoconvex domains is also proved. | 2011 | 2013-09-18T14:15:01Z |
| CIA Reading Room cia-rdp79t00975a027000010042-5: NATIONAL INTELLIGENCE BULLETIN | Approved For Release 2007/05101 :CIA-RDP79T00975A027000010042-5 To S cr t25X as National 1 ntel l igence Bulletin ~~I. 1"e'~ti'~ti IY~:Irr~ltl:~~ Top Secret 25X1 N?_ 639 Approved For Release 2007/05101 :CIA-RDP79T00975A027000010042-5 Approved For Release 2007/05101 :CIA-RDP79T00975A027000010042-5 Approved For Release 2007/05101 :CIA-RDP79T00975A027000010042-5 Approved For Release National I ntel I igence Bul leti n October 11? 1974 CONTENTS UK: Labor appears to be winning a narrow majorityr ~P age 1) ETHIOPIA: More prominent figures of the previous regime arresteda (Page 5) VIETNAM: PRG endorses Hanoi~s hard line on Thieud (Page 10 ) SOUTH KOREA: Street demonstrations have become a major affront to the Pak government? (Page 11) WEST GERMANY - UK - ITALY: MRCA engine problems apparently more serious than earlier reported (Page 13) ITALY: Fanfani surrogate explores renewal of center left coalitionv (Page 14) FOR THE RECORD: (Page 18) 25x1 Approved Far Release 2 0975A027000010042-5 Approv; | 1974 | 2026-03-21T01:57:02Z |
| Understanding The Proper Employment Procedures At EACOP Campaign. [ Gc C 2 UDs Cr CI] | EACOP PR video from youtube channel East African Crude Oil Pipeline (EACOP), www.youtube.com Understanding the proper employment procedures at EACOP campaign. https://www.youtube.com/watch?v=GcC2UDsCrCI Sha256 hash: 119c68268e642ca845cb29ac9858ec8d4bc63232581fe202fe612547d13948b7 Understanding the proper employment procedures at EACOP campaign. [GcC2UDsCrCI].webm 124 views Aug 14, 2023 #TANZANIA #EACOP Jiulize kwanza! Una taarifa sahihi? Jielimishe kuhusu mchakato sahihi wa kupata ajira ndani ya Bomba la Mafuta Ghafi la Afrika Mashariki. Ask yourself first! Do you have the right information? Educate yourself on the proper procedures on how to get employment with The East African Crude Oil Pipeline. #EACOP #TANZANIA | 2023 | 2023-11-03T21:37:06Z |
| High-resolution FUSE and HST ultraviolet spectroscopy of the white dwarf central star of Sh 2-216 | LS V +4621 is the DAO-type central star of the planetary nebula Sh 2-216. We perform a comprehensive spectral analysis of high-resolution, high-S/N ultraviolet observations obtained with FUSE and STIS aboard the HST as well as the optical spectrum of LS V +4621 by means of state-of-the-art NLTE model-atmosphere techniques in order to compare its photospheric properties to theoretical predictions from stellar evolution theory as well as from diffusion calculations. From the N IV - NV, O IV - O VI, Si IV - Si V, and Fe V - Fe VII ionization equilibria, we determined an effective temperature of 95 +/- 2 kK with high precision. The surface gravity is log g = 6.9 +/- 0.2. An unexplained discrepancy appears between the spectroscopic distance d = 224 +46/-58 pc and the parallax distance d = 129 +6/-5 pc of LS V +4621. For the first time, we have identified Mg IV and Ar VI absorption lines in the spectrum of a hydrogen-rich central star and determined the Mg and Ar abundances as well as the in; | 2007 | 2013-09-21T06:33:19Z |
| Magnetic and electric properties of double-perovskites and estimation of their Curie temperatures by ab initio calculations | First principles electronic structure calculations have been carried out on ordered double perovskites Sr_2B'B"O_6 (for B' = Cr or Fe and B" 4d and 5d transition metal elements) with increasing number of valence electrons at the B-sites, and on Ba_2MnReO_6 as well as Ba_2FeMoO_6. The Curie temperatures are estimated ab initio from the electronic structures obtained with the local spin-density functional approximation, full-potential generalized gradient approximation and/or the LDA+U method (U - Hubbard parameter). Frozen spin-spirals are used to model the excited states needed to evaluate the spherical approximation for the Curie temperatures. In cases, where the induced moments on the oxygen was found to be large, the determination of the Curie temperature is improved by additional exchange functions between the oxygen atoms and between oxygen and B' and B" atoms. A pronounced systematics can be found among the experimental and/or calculated Curie temperatures and the total valence e; | 2008 | 2013-07-24T21:32:52Z |
| Chemical abundances of 451 stars from the HARPS GTO planet search program: Thin disc, thick disc, and planets | We present a uniform study of the chemical abundances of 12 elements (Si, Ca, Sc, Ti, V, Cr, Mn, Co, Ni, Na, Mg, and Al) derived from the spectra of 451 stars observed as part of one of the HARPS GTO planet search programs. Sixty eight of these are planet-bearing stars. The main goals of our work are: i) the investigation of possible differences between the abundances of stars with and without planets; ii) the study of the possible differences in the abundances of stars in the thin and the thick disc. We confirm that there is a systematically higher metallicity in planet host stars, when compared to non planet-hosts, common to all studied species. We also found that there is no difference in the galactic chemical evolution trends of the stars with and without planets. Stars that harbour planetary companions simply appear to be in the high metallicity tail of the distribution. We also confirm that Neptunian and super-Earth class planets may be easier to find at lower metallicities. A st; | 2009 | 2013-09-21T22:00:51Z |
| Magnetic field-induced phase transitions in a weakly coupled s = 1/2 quantum spin dimer system Ba$_{3}$Cr$_{2}$O$_{8}$ | By using bulk magnetization, electron spin resonance (ESR), heat capacity, and neutron scattering techniques, we characterize the thermodynamic and quantum phase diagrams of Ba$_3$Cr$_2$O$_8$. Our ESR measurements indicate that the low field paramagnetic ground state is a mixed state of the singlet and the S$_z$ = 0 triplet for $H \perp c$. This suggests the presence of an intra-dimer Dzyaloshinsky-Moriya (DM) interaction with a DM vector perpendicular to the c-axis. | 2009 | 2013-09-21T21:50:52Z |
| Anomalous Magnetoresistance in Fibonacci Multilayers | The present paper theoretically investigates magnetoresistance curves in quasiperiodic magnetic multilayers for two different growth directions, namely [110] and [100]. We considered identical ferromagnetic layers separated by non-magnetic layers with two different thicknesses chosen based on the Fibonacci sequence. Using parameters for Fe/Cr multilayers, four terms were included in our description of the magnetic energy: Zeeman, cubic anisotropy, bilinear and biquadratic couplings. The minimum energy was determined by the gradient method and the equilibrium magnetization directions found were used to calculate magnetoresistance curves. By choosing spacers with a thickness such that biquadratic coupling is stronger than bilinear coupling, unusual behaviors for the magnetoresistance were observed: (i) for the [110] case there is a different behavior for structures based on even and odd Fibonacci generations; and more interesting, (ii) for the [100] case we found magnetic field ranges fo; | 2012 | 2013-09-21T20:37:29Z |
| Analyticité des applications CR dans des variétés presque complexes | We study the real analyticity of a CR mapping on the hypersurface $\h$ defined by $\h=\{z\in\C^n,\Re(z_n)+|z'|^2=0\}$ in model almost complex manifolds. We make use of a method of prolongation for the tangential Cauchy-Riemann equations and a result about complete systems. We also prove that a CR mapping is real analytic when the almost complex structure of the codomain is a deformation of a model structure and the function defining the hypersurface in the codomain has a particular form. | 2013 | 2013-09-20T00:58:46Z |
| Anisotropic compression in the high pressure regime of pure and Cr-doped vanadium dioxide | We present structural studies of V$_{1-x}$Cr$_x$O$_2$ (pure, 0.7% and 2.5% Cr doped) compounds at room temperature in a diamond anvil cell for pressures up to 20 GPa using synchrotron x-ray powder diffraction. All the samples studied show a persistence of the monoclinic $M_1$ symmetry between 4 and 12 GPa. Above 12 GPa, the monoclinic $M_1$ symmetry changes to isostructural $M_x$ phase (space group $P2_1/c$) with a significant anisotropy in lattice compression of the $b$-$c$ plane of the $M_{1}$ phase. This behavior can be reconciled invoking the pressure induced charge-delocalization. | 2012 | 2013-09-23T15:19:36Z |
| CIA Reading Room cia-rdp91-00772r000200860060-6: A FR: KOCHESHKOV, K.A. TO: KOCHETKOV, N.K. | Cpkpouuds of the Meows Ar,,PbX and ArPbX 3 Inthe p-Tolyl 5.eries, by K. A,,- KA-eshkov, E. M.Paum 1, 4 pp.Full trwislatlonsRUSSUXI bimo per,, Is Ak Sauk, Ot-del KhIm Neuk,IRO*v Jul/Aug 195%, pp 718-722- CIA C hA764ComBultants BureauScientific - ChemistryNar 56 M/dexDearylatIon of Ar-PbX as a Metbod of-Synthesizinga new Class 4po~&s ArPbX , by K. A. Kocheahlkov,E. M. pawvt 6 pp. 3rail transiatiom.RMSMO b:tmo per,, Is Ak Sauk,, Otdel KhIm Nauk.,No 16 Jul/Aug 195% pp 711-717. CIA C 41476Consultants BureauScientific - Chemistrymar 56 M/dexA Wow Method for %be Byn &Is of OreawthillinisCampowrAs ot. Ube Type ftT%o by V. P. GbmftaftsK. A. ProRUNIM,O pwp ]X* Ak Houk BMp Val CMi, Wo 2,1%7.. pq MISS.calm"Itents Dw4mmoat 58 feeOrganowta2aie Compounds in the Frledel-Craftr;Reaction, by A. P. Skoldinov., X. A-_PqAIWYj 5 PP,RUSSLIN,, per,, Zhur Obahch XhIm., Vol XII., No 7-,b,,.1942., PP 398-402-Assoc Tech Serv RJ628SciApr 59ff'~4 4,1--a -~-ompoums=w64=voVU=tl=lbVWUlLthlu4 byT. T. T&Ulwnt K. A- Mnb"; | 1983 | 2026-03-25T21:10:57Z |
| An Application of Macaulay's Estimate to CR Geometry | Several questions in CR geometry lead naturally to the study of bihomogeneous polynomials $r(z,\bar{z})$ on $\C^n \times \C^n$ for which $r(z,\bar{z})\norm{z}^{2d}=\norm{h(z)}^2$ for some natural number $d$ and a holomorphic polynomial mapping $h=(h_1,..., h_K)$ from $\C^n$ to $\C^K$. When $r$ has this property for some $d$, one seeks relationships between $d$, $K$, and the signature and rank of the coefficient matrix of $r$. In this paper, we reformulate this basic question as a question about the growth of the Hilbert function of a homogeneous ideal in $\C[z_1,...,z_n]$ and apply a well-known result of Macaulay to estimate some natural quantities. | 2013 | 2013-07-20T09:19:01Z |
| Search for Associations Containing Young stars (SACY): Chemical tagging IC 2391 & the Argus association | We explore the possible connection between the open cluster IC 2391 and the unbound Argus association identified by the SACY survey. In addition to common kinematics and ages between these two systems, here we explore their chemical abundance patterns to confirm if the two substructures shared a common origin. We carry out a homogenous high-resolution elemental abundance study of eight confirmed members of IC 2391 as well as six members of the Argus association using UVES spectra. We derive spectroscopic stellar parameters and abundances for Fe, Na, Mg, Al, Si, Ca, Ti, Cr, Ni and Ba. All stars in the open cluster and Argus association were found to share similar abundances with the scatter well within the uncertainties, where [Fe/H] = -0.04 +/-0.03 for cluster stars and [Fe/H] = -0.06 +/-0.05 for Argus stars. Effects of over-ionisation/excitation were seen for stars cooler than roughly 5200K as previously noted in the literature. Also, enhanced Ba abundances of around 0.6 dex were obse; | 2013 | 2013-09-21T04:14:35Z |
| Optimal lower bounds for locality sensitive hashing (except when q is tiny) | We study lower bounds for Locality Sensitive Hashing (LSH) in the strongest setting: point sets in {0,1}^d under the Hamming distance. Recall that here H is said to be an (r, cr, p, q)-sensitive hash family if all pairs x, y in {0,1}^d with dist(x,y) at most r have probability at least p of collision under a randomly chosen h in H, whereas all pairs x, y in {0,1}^d with dist(x,y) at least cr have probability at most q of collision. Typically, one considers d tending to infinity, with c fixed and q bounded away from 0. For its applications to approximate nearest neighbor search in high dimensions, the quality of an LSH family H is governed by how small its "rho parameter" rho = ln(1/p)/ln(1/q) is as a function of the parameter c. The seminal paper of Indyk and Motwani showed that for each c, the extremely simple family H = {x -> x_i : i in d} achieves rho at most 1/c. The only known lower bound, due to Motwani, Naor, and Panigrahy, is that rho must be at least .46/c (minus o_d(1)). In t; | 2009 | 2013-09-17T23:26:14Z |
| Quantized Anomalous Hall Effect in Magnetic Topological Insulators | The Hall effect, the anomalous Hall effect and the spin Hall effect are fundamental transport processes in solids arising from the Lorentz force and the spin-orbit coupling respectively. The quantum versions of the Hall effect and the spin Hall effect have been discovered in recent years. However, the quantized anomalous Hall (QAH) effect has not yet been realized experimentally. In a QAH insulator, spontaneous magnetic moments and spin-orbit coupling combine to give rise to a topologically non-trivial electronic structure, leading to the quantized Hall effect without any external magnetic field. In this work, based on state-of-art first principles calculations, we predict that the tetradymite semiconductors Bi$_2$Te$_3$, Bi$_2$Se$_3$, and Sb$_2$Te$_3$ form magnetically ordered insulators when doped with transition metal elements (Cr or Fe), in sharp contrast to conventional dilute magnetic semiconductor where free carriers are necessary to mediate the magnetic coupling. Magnetic order; | 2010 | 2013-09-20T14:18:56Z |
| Elemental energy spectra of cosmic rays measured by CREAM-II | We present new measurements of the energy spectra of cosmic-ray (CR) nuclei from the second flight of the balloon-borne experiment CREAM (Cosmic Ray Energetics And Mass). The instrument (CREAM-II) was comprised of detectors based on different techniques (Cherenkov light, specific ionization in scintillators and silicon sensors) to provide a redundant charge identification and a thin ionization calorimeter capable of measuring the energy of cosmic rays up to several hundreds of TeV. The data analysis is described and the individual energy spectra of C, O, Ne, Mg, Si and Fe are reported up to ~ 10^14 eV. The spectral shape looks nearly the same for all the primary elements and can be expressed as a power law in energy E^{-2.66+/-0.04}. The nitrogen absolute intensity in the energy range 100-800 GeV/n is also measured. | 2010 | 2013-09-17T22:00:32Z |
| Polynomial approximation, local polynomial convexity, and degenerate CR singularities -- II | We provide some conditions for the graph of a Hoelder-continuous function on \bar{D}, where \bar{D} is a closed disc in the complex plane, to be polynomially convex. Almost all sufficient conditions known to date --- provided the function (say F) is smooth --- arise from versions of the Weierstrass Approximation Theorem on \bar{D}. These conditions often fail to yield any conclusion if rank_R(DF) is not maximal on a sufficiently large subset of \bar{D}. We bypass this difficulty by introducing a technique that relies on the interplay of certain plurisubharmonic functions. This technique also allows us to make some observations on the polynomial hull of a graph in C^2 at an isolated complex tangency. | 2011 | 2013-09-19T08:23:17Z |
| Lattice softening effects at the Mott critical point of Cr-doped V$_2$O$_3$ | We have performed sound velocity measurements in (V$_{1-x}$Cr$_x$)$_2$O$_3$ in the vicinity of the critical point of the first order Mott transition line. The pressure sweeps at constant temperature reveal a large dip in the $c_{33}$ compression modulus, this dip sharpens as the critical point is approached. We do not observe signs of criticality on the shear modulus $c_{44}$ which is consistent with a transition governed by a scalar order parameter, in accordance with the DMFT description of the transition. However, the amplitude of the effect is an order of magnitude smaller than the one obtained from DMFT calculations for a single band Hubbard model. We analyze our results using a simple model with the electronic response function obtained from the scaling relations for the conductivity. | 2011 | 2013-09-23T10:38:01Z |
| Geometric sufficient conditions for compactness of the complex Green operator | We establish compactness estimates for $\bar{\partial}_{M}$ on a compact pseudoconvex CR-submanifold $M$ of $\mathbb{C}^{n}$ of hypersurface type that satisfies the (analogue of the) geometric sufficient conditions for compactness of the $\bar{\partial}$-Neumann operator given by the authors earlier. These conditions are formulated in terms of certain short time flows in complex tangential directions. | 2010 | 2013-09-19T08:43:13Z |
| Magnetization-based assessment of correlation energy in canted Single-Chain Magnets | We demonstrate numerically that for the strongly anisotropic homometallic S=2 canted single-chain magnet described by the quantum antiferromagnetic Heisenberg model the correlation energy and exchange coupling constant can be directly estimated from the in-field-magnetization profile found along the properly selected crystallographic direction. In the parameter space defined by the spherical angles (\phi, \theta) determining the axes orientation, four regions are identified with different sequences of the characteristic field-dependent magnetization profiles representing the antiferromagnetic, metamagnetic and weak ferromagnetic type behavior. These sequences provide a criterion for the applicability of the anisotropic quantum Heisenberg model to a given experimental system. Our analysis shows that the correlation energy decreases linearly with field and vanishes for a given value H_{cr} which defines a special coordinates in the metamagnetic profile relevant for the zero-field correla; | 2012 | 2013-09-23T00:42:07Z |
| Multi-wavelength Emission from the Fermi Bubble II. Secondary Electrons and the Hadronic Model of the Bubble | We analyse the origin of the gamma-ray flux from the Fermi Bubbles (FBs) in the framework of the hadronic model in which gamma-rays are produced by collisions of relativistic protons with the protons of background plasma in the Galactic halo. It is assumed in this model that the observed radio emission from the FBs is due to synchrotron radiation of secondary electrons produced by $pp$ collisions. However, if these electrons loose their energy by the synchrotron and inverse-Compton, the spectrum of secondary electrons is too soft, and an additional arbitrary component of primary electrons is necessary in order to reproduce the radio data. Thus, a mixture of the hadronic and leptonic models is required for the observed radio flux. It was shown that if the spectrum of primary electrons is $\propto E_e^{-2}$, the permitted range of the magnetic field strength is within 2 - 7 $\mu$G region. The fraction of gamma-rays produced by $pp$ collisions can reach about 80% of the total gamma-ray fl; | 2014 | 2018-06-30T09:27:10Z |
| Constraining the X-ray and Cosmic Ray Ionization Chemistry of the TW Hya Protoplanetary Disk: Evidence for a Sub-interstellar Cosmic Ray Rate | We present an observational and theoretical study of the primary ionizing agents (cosmic rays and X-rays) in the TW Hya protoplanetary disk. We use a set of resolved and unresolved observations of molecular ions and other molecular species, encompassing eleven lines total, in concert with a grid of disk chemistry models. The molecular ion constraints comprise new data from the Submillimeter Array on HCO$^+$, acquired at unprecedented spatial resolution, and data from the literature, including ALMA observations of N$_2$H$^+$. We vary the model incident CR flux and stellar X-ray spectra and find that TW Hya's HCO$^+$ and N$_2$H$^+$ emission are best fit by a moderately hard X-ray spectra, as would be expected during the "flaring" state of the star, and a low CR ionization rate, $\zeta_{\rm CR}\lesssim10^{-19}$ s$^{-1}$. This low CR rate is the first indication of the presence of CR exclusion by winds and/or magnetic fields in an actively accreting T Tauri disk system. With this new const; | 2014 | 2018-06-30T09:48:11Z |
| Conservation laws in the $1f_{7/2}$ shell model of $^{48}$Cr | Conservation laws in the $1f_{7/2}$ shell model of $^{48}$Cr found in numeric studies by Escuderos, Zamick and Bayman [A. Escuderos, L. Zamick, and B. F. Bayman, arXiv:0506050 (2005)] and me [K. Neerg\aa rd, Phys. Rev. C \textbf{90}, 014318 (2014)] are explained by symmetry under particle-hole conjugation and the structure of the irreps of the symplectic group Sp(4). A generalization is discussed. | 2015 | 2018-06-26T23:20:09Z |
| Neutron, electron and X-ray scattering investigation of Cr1-xVx near Quantum Criticality | The weakness of electron-electron correlations in the itinerant antiferromagnet Cr doped with V has long been considered the reason that neither new collective electronic states or even non Fermi liquid behaviour are observed when antiferromagnetism in Cr$_{1-x}$V$_{x}$ is suppressed to zero temperature. We present the results of neutron and electron diffraction measurements of several lightly doped single crystals of Cr$_{1-x}$V$_{x}$ in which the archtypal spin density wave instability is progressively suppressed as the V content increases, freeing the nesting-prone Fermi surface for a new striped charge instability that occurs at x$_{c}$=0.037. This novel nesting driven instability relieves the entropy accumulation associated with the suppression of the spin density wave and avoids the formation of a quantum critical point by stabilising a new type of charge order at temperatures in excess of 400 K. Restructuring of the Fermi surface near quantum critical points is a feature found i; | 2014 | 2018-06-30T05:42:13Z |
| Exclusion of Cosmic Rays in Protoplanetary Disks. II. Chemical Gradients and Observational Signatures | The chemical properties of protoplanetary disks are especially sensitive to their ionization environment. Sources of molecular gas ionization include cosmic rays, stellar X-rays and short-lived radionuclides, each of which varies with location in the disk. This behavior leads to a significant amount of chemical structure, especially in molecular ion abundances, which is imprinted in their submillimeter rotational line emission. Using an observationally motivated disk model, we make predictions for the dependence of chemical abundances on the assumed properties of the ionizing field. We calculate the emergent line intensity for abundant molecular ions and simulate sensitive observations with the Atacama Large Millimeter/Sub-millimeter Array (ALMA) for a disk at D=100 pc. The models readily distinguish between high ionization rates ($\zeta\gtrsim10^{-17}$ s$^{-1}$ per H$_2$) and below, but it becomes difficult to distinguish between low ionization models when $\zeta\lesssim10^{-19}$ s$^{; | 2014 | 2018-06-30T06:17:27Z |
| A tight scaling relation of dark matter in galaxy clusters | Recent studies in different types of galaxies reveal that the product of the central density and the core radius ($\rho_cr_c$) is a constant. However, some empirical studies involving galaxy clusters suggest that the product $\rho_cr_c$ depends weakly on the total dark halo mass. In this article, we re-analyse the hot gas data from 106 clusters and obtain a surprisingly tight scaling relation: $\rho_c \propto r_c^{-1.46 \pm 0.16}$. This result generally agrees with the claims that $\rho_cr_c$ is not a constant for all scales of structure. Moreover, this relation does not support the velocity-dependent cross section of dark matter if the core formation is due to the self-interaction of dark matter. | 2014 | 2018-06-30T02:29:08Z |
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| A New Population of Old Stars | We report the results of a coherent study of three chemically anomalous metal-poor ([Fe/H] ~ -2) stars. These objects exhibit unusually low abundances of Mg, Si, Ca (alpha-elements) and Sr, Y, and Ba (neutron-capture elements). Our analyses confirm and expand upon earlier reports of atypical abundances in BD+80~245, G4-36, and CS22966-043. We also find that the latter two stars exhibit enhanced abundances of Cr, Mn, Ni, and Zn (iron-peak elements), along with what appears to be large abundances of Ga, with respect to the abundance of iron. Comparing the chemical abundances of these stars to supernova model yields, we derive supernovae ratios of Type Ia versus Type II events in the range of 0.6 | 2003 | 2013-09-17T23:40:07Z |
| Galactic chemical evolution: Carbon through Zinc | We calculate the evolution of heavy element abundances from C to Zn in the solar neighborhood adopting our new nucleosynthesis yields. Our yields are calculated for wide ranges of metallicity (Z=0-Z_\odot) and the explosion energy (normal supernovae and hypernovae), based on the light curve and spectra fitting of individual supernovae. The elemental abundance ratios are in good agreement with observations. Among the alpha-elements, O, Mg, Si, S, and Ca show a plateau at [Fe/H] < -1, while Ti is underabundant overall. The observed abundance of Zn ([Zn/Fe] ~ 0) can be explained only by the high energy explosion models, which requires a large contribution of hypernovae. The observed decrease in the odd-Z elements (Na, Al, and Cu) toward low [Fe/H] is reproduced by the metallicity effect on nucleosynthesis. The iron-peak elements (Cr, Mn, Co, and Ni) are consistent with the observed mean values at -2.5 < [Fe/H] < -1$, and the observed trend at the lower metallicity can be explained by the ; | 2006 | 2013-09-20T13:08:46Z |