cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Common Envelope Shaping of Planetary Nebulae
Creators: name: Garcia-Segura, Guillermo
name: Ricker, Paul M.
name: Taam, Ronald E.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The morphology of planetary nebulae emerging from the common envelope phase of binary star evolution is investigated. Using initial conditions based on the numerical results of hydrodynamical simulations of the common envelope phase it is found that the shapes and sizes of the resulting nebula are very sensitive to the effective temperature of the remnant core, the mass-loss rate at the onset of the common envelope phase, and the mass ratio of the binary system. These parameters are related to the efficiency of the mass ejection after the spiral-in phase, the stellar evolutionary phase (i.e., RG, AGB or TP-AGB), and the degree of departure from spherical symmetry in the stellar wind mass loss process itself respectively. It is found that the shapes are mostly bipolar in the early phase of evolution, but can quickly transition to elliptical and barrel-type shapes. Solutions for nested lobes are found where the outer lobes are usually bipolar and the inner lobes are elliptical, bipolar or barrel-type, a result due to the flow of the photo-evaporated gas from the equatorial region. It is found that the lobes can be produced without the need for two distinct mass ejection events. In all the computations, the bulk of the mass is concentrated in the orbital or equatorial plane, in the form of a large toroid, which can be either neutral (early phases) or photoionized (late phases), depending of the evolutionary state of the system.
description: 25 pages, 9 figures, Accepted by ApJ
Binding of holes and pair spectral function in the t-J model
Creators: name: POILBLANC, Didier
Publisher: name: arXiv
Year: 1993
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: Clusters of the two-dimensionnal t--J model with 2 holes and up to 26 sites are diagonalized using a Lanczos algorithm. The behaviour of the binding energy with system size suggests the existence of a finite critical value of J above which binding occurs in the bulk. Only the d-wave pair field operator acting on the Heisenberg GS has a finite overlap with the 2 hole ground state for all the clusters considered. The related spectral function associated with the propagation of a d-wave (spin singlet) pair of holes in the antiferromagnetic background is calculated. The quasiparticle peak at the bottom of the spectrum as well as some structure appearing above the peak survive with increasing cluster size. Although no simple scaling law was found for the quasiparticle weight the data strongly suggest that this weight is finite in the bulk limit and is roughly proportional to the antiferromagnetic coupling J (for J<1).
description: Report LPQTH-93/01, 18 pages (REVTEX), 8 postscript files included
EUCoM Seminars (National) - Spanish session 2021-07-14
Creators: name: Mutilba, Unai
Publisher: name: Zenodo
Year: 2021
Subjects: CMM
uncertainty evaluation
dimensional metrology
new standards

description: The EUCoM seminars present and disseminate the results of the EUCoM project. They are made of two sessions: a Plenary session in English, where the core is presented, and a National session in local tongue (of those nations participating in the project), where the experience gathered by the partner(s) from that nation is shared. Due to the timing, the results are not yet definitive, but are developed enough to delineate the core. Here presentation of the Spanish session follows. For the recording of the meeting, please see: Recording of EUCoM Seminar - Spanish session, 2021-07-14
description: EMPIR Grant Agreement 17NRM03 EUCoM - This project has received funding from the EMPIR programme co-financed by the Participating States and from the European Union's Horizon 2020 research and innovation programme.
title: FRANTZ FANON: HIS LIFE AND WORK
Creators: name: Strickland, William
Publisher: name: University of Massachusetts Amherst
Year: 1979
Subjects: subject: Africana Studies
subject: Frantz Fanon
subject: Biography
subject: Political Theory
subject: History

description: A review of the life and work of Frantz Fanon prepared at the request of and published by the United Nations Centre Against Apartheid, Department of Political and Security Council Affairs.
Subclass Classification of Gliomas Using MRI Fusion Technique
Creators: name: Janardhan, Kiranmayee
name: Thomas, Christy Bobby
Publisher: name: arXiv
Year: 2025
Subjects: subject: Image and Video Processing (eess.IV)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Glioma, the prevalent primary brain tumor, exhibits diverse aggressiveness levels and prognoses. Precise classification of glioma is paramount for treatment planning and predicting prognosis. This study aims to develop an algorithm to fuse the MRI images from T1, T2, T1ce, and fluid-attenuated inversion recovery (FLAIR) sequences to enhance the efficacy of glioma subclass classification as no tumor, necrotic core, peritumoral edema, and enhancing tumor. The MRI images from BraTS datasets were used in this work. The images were pre-processed using max-min normalization to ensure consistency in pixel intensity values across different images. The segmentation of the necrotic core, peritumoral edema, and enhancing tumor was performed on 2D and 3D images separately using UNET architecture. Further, the segmented regions from multimodal MRI images were fused using the weighted averaging technique. Integrating 2D and 3D segmented outputs enhances classification accuracy by capturing detailed features like tumor shape, boundaries, and intensity distribution in slices, while also providing a comprehensive view of spatial extent, shape, texture, and localization within the brain volume. The fused images were used as input to the pre-trained ResNet50 model for glioma subclass classification. The network is trained on 80% and validated on 20% of the data. The proposed method achieved a classification of accuracy of 99.25%, precision of 99.30%, recall of 99.10, F1 score of 99.19%, Intersection Over Union of 84.49%, and specificity of 99.76, which showed a significantly higher performance than existing techniques. These findings emphasize the significance of glioma segmentation and classification in aiding accurate diagnosis.
description: 15 pages, 7 figures, 1 algorithm, 4 tables, journal paper
The Ugly Green Duckling, Economics of the Renewable Transition: Assessing energy trade vulnerabilities from 2012 - 2020 using aggregating political and economic trade risks in an adapted GeoPolRisk method for Australia
Creators: name: Saunders, Carl Owen
Publisher: name: Macquarie University
Year: 2024
Subjects: classificationCode: 380105
subject: Environment and resource economics

description: Economies around the world are changing their sources of energy to reduce their global emissions from fossil fuels. This change necessitates a new supply of resources to substitute their energy consumption; most of these are produced or acquired through the international system of trade. Australia has entered “The Paris Climate Agreement '', its legislation “Climate Change Act 2022” sets forth Australia's aim of a 43% reduction against a 2005 baseline by 2030 and net zero emissions by 2050. We find using a modified Geopolitical risk method that international supply side vulnerabilities are acute for midstream photovoltaic (solar) products as compared to crude oil, semi-refined oil, and high purity silicon to the Australian market. The Geopolitical risk method has historically accounted for risks within a nation, our modifications expand the method to include trade risks. With such supply vulnerabilities present for the transition to solar we recommend increases in domestic production and the use of preferential trade agreements to reduce the overall vulnerability of energy commodities in the Australian economy to allow for a secure and smooth transition.
Strongly enhanced tunneling at total charge neutrality in double bilayer graphene-WSe$_2$ heterostructures
Creators: name: Burg, G. William
name: Prasad, Nitin
name: Kim, Kyounghwan
name: Taniguchi, Takashi
name: Watanabe, Kenji
name: MacDonald, Allan H.
name: Register, Leonard F.
name: Tutuc, Emanuel
Publisher: name: arXiv
Year: 2018
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We report the experimental observation of strongly enhanced tunneling between graphene bilayers through a WSe$_2$ barrier when the graphene bilayers are populated with carriers of opposite polarity and equal density. The enhanced tunneling increases sharply in strength with decreasing temperature, and the tunneling current exhibits a vertical onset as a function of interlayer voltage at a temperature of 1.5 K. The strongly enhanced tunneling at overall neutrality departs markedly from single-particle model calculations that otherwise match the measured tunneling current-voltage characteristics well, and suggests the emergence of a many-body state with condensed interbilayer excitons when electrons and holes of equal densities populate the two layers.
description: 5 pages, 5 figures, two supplementary figures
Improving Coverage and Runtime Complexity for Exact Inference in Non-Projective Transition-Based Dependency Parsers
Creators: name: Shi, Tianze
name: Gómez-Rodríguez, Carlos
name: Lee, Lillian
Publisher: name: arXiv
Year: 2018
Subjects: subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences
subject: I.2.7

description: We generalize Cohen, Gómez-Rodríguez, and Satta's (2011) parser to a family of non-projective transition-based dependency parsers allowing polynomial-time exact inference. This includes novel parsers with better coverage than Cohen et al. (2011), and even a variant that reduces time complexity to $O(n^6)$, improving over the known bounds in exact inference for non-projective transition-based parsing. We hope that this piece of theoretical work inspires design of novel transition systems with better coverage and better run-time guarantees. Code available at https://github.com/tzshi/nonproj-dp-variants-naacl2018
description: Proceedings of NAACL-HLT 2018. 6 pages. This version fixes display issue in an author name
Axionic black branes with conformal coupling
Creators: name: Cisterna, Adolfo
name: Erices, Cristián
name: Kuang, Xiao-Mei
name: Rinaldi, Massimiliano
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We find neutral and charged black branes solutions with axion fields in the context of a conformally coupled gravitational theory in four dimensions. These solutions describe AdS black branes supported by axion fields that break translational invariance at the boundary, providing for momentum dissipation. The conformally coupled scalar field is regular inside and outside the event horizon and there is no need of any self-interaction, obtaining in this way solutions without fine-tuned parameters. We analyze the thermodynamics of our solutions considering the effects of the axion charges and it is shown that axionic and electric charges must be related such that the conformal scalar field does not contribute to the mass. We compute the holographic DC conductivity and we show how it is affected by the inclusion of the conformal scalar field, which provides a temperature independent behavior. We include a non-linear axionic contribution given by a k-essence term that modifies the DC conductivity providing for more general behaviors. Finally, we endorse our solutions with rotation showing that angular momentum is sustained by the axion charges.
Environmental Quenching of Low-Mass Field Galaxies
Creators: name: Fillingham, Sean P.
name: Cooper, Michael C.
name: Boylan-Kolchin, Michael
name: Bullock, James S.
name: Garrison-Kimmel, Shea
name: Wheeler, Coral
Publisher: name: arXiv
Year: 2018
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: In the local Universe, there is a strong division in the star-forming properties of low-mass galaxies, with star formation largely ubiquitous amongst the field population while satellite systems are predominantly quenched. This dichotomy implies that environmental processes play the dominant role in suppressing star formation within this low-mass regime (${M}_{\star} \sim 10^{5.5-8}~{\rm M}_{\odot}$). As shown by observations of the Local Volume, however, there is a non-negligible population of passive systems in the field, which challenges our understanding of quenching at low masses. By applying the satellite quenching models of Fillingham et al. (2015) to subhalo populations in the Exploring the Local Volume In Simulations (ELVIS) suite, we investigate the role of environmental processes in quenching star formation within the nearby field. Using model parameters that reproduce the satellite quenched fraction in the Local Group, we predict a quenched fraction -- due solely to environmental effects -- of $\sim 0.52 \pm 0.26$ within $1< R/R_{\rm vir} < 2$ of the Milky Way and M31. This is in good agreement with current observations of the Local Volume and suggests that the majority of the passive field systems observed at these distances are quenched via environmental mechanisms. Beyond $2~R_{\rm vir}$, however, dwarf galaxy quenching becomes difficult to explain through an interaction with either the Milky Way or M31, such that more isolated, field dwarfs may be self-quenched as a result of star-formation feedback.
description: 9 pages, 4 figures, MNRAS accepted version, comments welcome - RIP Ducky...gone but never forgotten
The Revealing Dust: Mid-Infrared Activity in Hickson Compact Group Galaxy Nuclei
Creators: name: Gallagher, S. C.
name: Johnson, K. E.
name: Hornschemeier, A. E.
name: Charlton, J. C.
name: Hibbard, J. E.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present a sample of 46 galaxy nuclei from 12 nearby (z<4500 km/s) Hickson Compact Groups (HCGs) with a complete suite of 1-24 micron 2MASS+Spitzer nuclear photometry. For all objects in the sample, blue emission from stellar photospheres dominates in the near-IR through the 3.6 micron IRAC band. Twenty-five of 46 (54%) galaxy nuclei show red, mid-IR continua characteristic of hot dust powered by ongoing star formation and/or accretion onto a central black hole. We introduce alpha_{IRAC}, the spectral index of a power-law fit to the 4.5-8.0 micron IRAC data, and demonstrate that it cleanly separates the mid-IR active and non-active HCG nuclei. This parameter is more powerful for identifying low to moderate-luminosity mid-IR activity than other measures which include data at rest-frame lambda<3.6 micron that may be dominated by stellar photospheric emission. While the HCG galaxies clearly have a bimodal distribution in this parameter space, a comparison sample from the Spitzer Nearby Galaxy Survey (SINGS) matched in J-band total galaxy luminosity is continuously distributed. A second diagnostic, the fraction of 24 micron emission in excess of that expected from quiescent galaxies, f_{24D}, reveals an additional 3 nuclei to be active at 24 micron. Comparing these two mid-IR diagnostics of nuclear activity to optical spectroscopic identifications from the literature reveals some discrepancies, and we discuss the challenges of distinguishing the source of ionizing radiation in these and other lower luminosity systems. We find a significant correlation between the fraction of mid-IR active galaxies and the total HI mass in a group, and investigate possible interpretations of these results in light of galaxy evolution in the highly interactive system of a compact group environment.
description: 20 pages, 17 figures (1 color), uses emulateapj. Accepted for publication by ApJ
On the variability of quasars: a link between Eddington ratio and optical variability?
Creators: name: Wilhite, B. C.
name: Brunner, R. J.
name: Grier, C. J.
name: Schneider, D. P.
name: Berk, D. E. Vanden
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Repeat scans by the Sloan Digital Sky Survey (SDSS) of a 278 square degree stripe along the Celestial equator have yielded an average of over 10 observations each for nearly 8,000 spectroscopically confirmed quasars. Over 2500 of these quasars are in the redshift range such that the CIV emission line is visible in the SDSS spectrum. Utilising the width of these CIV lines and the luminosity of the nearby continuum, we estimate black hole masses for these objects. In an effort to isolate the effects of black hole mass and luminosity on the photometric variability of our dataset, we create several subsamples by binning in these two physical parameters. By comparing the ensemble structure functions of the quasars in these bins, we are able to reproduce the well-known anticorrelation between luminosity and variability, now showing that this anticorrelation is independent of the black hole mass. In addition, we find a correlation between variability and the mass of the central black hole. By combining these two relations, we identify the Eddington ratio as a possible driver of quasar variability, most likely due to differences in accretion efficiency.
description: 13 pages, 5 figures, Accepted for publication in MNRAS
Additional file 1: of The inhibitory effect of LPS on the expression of GPR81 lactate receptor in blood-brain barrier model in vitro
Creators: name: Boitsova, Elizaveta
name: Morgun, Andrey
name: Osipova, Elena
name: Pozhilenkova, Elena
name: Martinova, Galina
name: Frolova, Olga
name: Olovannikova, Raissa
name: Abolghasem Tohidpour
name: Gorina, Yana
name: Panina, Yulia
name: Salmina, Alla
Publisher: name: figshare
Year: 2018
Subjects: subject: Biochemistry
subject: Space Science
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Molecular Biology
subject: Physiology
subject: Pharmacology
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: Hematology

description: Figure S4. Phase contrast microphotograph (ZOE Fluorescent Cell Imager, Bio-rad, USA) of endothelial cells in the in vitro model of BBB, showing the monolayer status of cultured cells. Figure magnification Ă â 20. Scale bar represents 100Â Îźm. (DOCX 333 kb)
The Discovery of 8.7s Pulsations from the Ultrasoft X-Ray Source 4u0142+614
Creators: name: Israel, G. L.
name: Mereghetti, S.
name: Stella, L.
Publisher: name: arXiv
Year: 1994
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We discovered a periodicity at about 8.7s from the X--ray sources 4U0142+61, previously considered a possible black hole candidate on the basis of its ultrasoft spectrum. The pulsations are visible only in the 1--4 keV energy range, during an observation obtained with the EXOSAT satellite in August 1984. A search for delays in the pulse arrival times caused by orbital motion gave negative results. In the same data, periodic oscillations at 25 minutes had been previously found in an additional hard spectral component dominating above 4 keV which arises from the X-ray transient RX J0146.9+6121, discovered with ROSAT and identified with a Be star. Though the very high (>10^4) X--ray to optical flux ratio of 4U0142+61 is compatible with models based on an isolated neutron star, the simplest explanation involves a low mass X--ray binary with a very faint companion, similar to 4U1626--67. The discovery of periodic pulsations from 4U0142+61 weakens the phenomenological criterion that an ultrasoft spectral component is a signature of accreting black holes.
description: plain LaTeX v3.1, 14 pages + 2 PostScript figures available upon request to israel@tsmi19.sissa.it . To appear on The Astrophysical Journal, Letters. SISSA ref.: 106/94/A
Early-type galaxy spin evolution in the Horizon-AGN simulation
Creators: name: Choi, Hoseung
name: Yi, Sukyoung K.
name: Dubois, Yohan
name: Kimm, Taysun
name: Devriendt, Julien. E. G.
name: Pichon, Christophe
Publisher: name: arXiv
Year: 2018
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Using the Horizon-AGN simulation data, we study the relative role of mergers and environmental effects in shaping the spin of early-type galaxies (ETGs) after $z \simeq 1$. We follow the spin evolution of 10,037 color-selected ETGs more massive than 10$^{10} \rm \, M_{\odot}$ that are divided into four groups: cluster centrals (3%), cluster satellites (33%), group centrals (5%), and field ETGs (59%). We find a strong mass dependence of the slow rotator fraction, $f_{\rm SR}$, and the mean spin of massive ETGs. Although we do not find a clear environmental dependence of $f_{\rm SR}$, a weak trend is seen in the mean value of spin parameter driven by the satellite ETGs as they gradually lose their spin as their environment becomes denser. Galaxy mergers appear to be the main cause of total spin changes in 94% of central ETGs of halos with $M_{vir} > 10^{12.5}\rm M_{\odot}$, but only 22% of satellite and field ETGs. We find that non-merger induced tidal perturbations better correlate with the galaxy spin-down in satellite ETGs than mergers. Given that the majority of ETGs are not central in dense environments, we conclude that non-merger tidal perturbation effects played a key role in the spin evolution of ETGs observed in the local ($z < 1$) universe.
description: Accepted for publication in ApJ
The Pion Cloud in Quenched QCD
Creators: name: Cohen, Thomas D.
name: Leinweber, Derek B.
Publisher: name: arXiv
Year: 1992
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: Diagrammatic methods and Large $N_c$ QCD are used to argue that the nucleon as calculated in quenched QCD contains physics which can be ascribed to the pion cloud of the nucleon. In particular, it is argued that the physics corresponding to one-pion loops in chiral perturbation theory are included in the quenched approximation.
description: RevTeX 2.0 manuscript, 13 pages. Figures file is a single PostScript file of the manuscript including figures. U. MD PP #93-019
Detection of Reflection Features in the Neutron Star Low-Mass X-ray Binary Serpens X-1 with NICER
Creators: name: Ludlam, R. M.
name: Miller, J. M.
name: Arzoumanian, Z.
name: Bult, P. M.
name: Cackett, E. M.
name: Chakrabarty, D.
name: Dauser, T.
name: Enoto, T.
name: Fabian, A. C.
name: Garcia, J. A.
name: Gendreau, K. C.
name: Guillot, S.
name: Homan, J.
name: Jaisawal, G. K.
name: Keek, L.
name: La Marr, B.
name: Malacaria, C.
name: Markwardt, C. B.
name: Steiner, J. F.
name: Strohmayer, T. E.
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We present Neutron Star Interior Composition Explorer (NICER) observations of the neutron star low-mass X-ray binary Serpens X-1 during the early mission phase in 2017. With the high spectral sensitivity and low-energy X-ray passband of NICER, we are able to detect the Fe L line complex in addition to the signature broad, asymmetric Fe K line. We confirm the presence of these lines by comparing the NICER data to archival observations with XMM-Newton/RGS and NuSTAR. Both features originate close to the innermost stable circular orbit (ISCO). When modeling the lines with the relativistic line model RELLINE, we find the Fe L blend requires an inner disk radius of $1.4_{-0.1}^{+0.2}$ $R_{\mathrm{ISCO}}$ and Fe K is at $1.03_{-0.03}^{+0.13}$ $R_{\mathrm{ISCO}}$ (errors quoted at 90%). This corresponds to a position of $17.3_{-1.2}^{+2.5}$ km and $12.7_{-0.4}^{+1.6}$ km for a canonical neutron star mass ($M_{\mathrm{NS}}=1.4\ M_{\odot}$) and dimensionless spin value of $a=0$. Additionally, we employ a new version of the RELXILL model tailored for neutron stars and determine that these features arise from a dense disk and supersolar Fe abundance.
description: 6 pages, 4 figures, 1 table, accepted for publication in ApJL
Accurate measurement of a 96% input coupling into a cavity using polarization tomography
Creators: name: Hilaire, P.
name: Antón, C.
name: Kessler, C.
name: Lemaître, A.
name: Sagnes, I.
name: Senellart, P.
name: Lanco, L.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Pillar microcavities are excellent light-matter interfaces providing an electromagnetic confinement in small mode volumes with high quality factors. They also allow the efficient injection and extraction of photons, into and from the cavity, with potentially near-unity input and output-coupling efficiencies. Optimizing the input and output coupling is essential, in particular, in the development of solid-state quantum networks where artificial atoms are manipulated with single incoming photons. Here we propose a technique to accurately measure input and output coupling efficiencies using polarization tomography of the light reflected by the cavity. We use the residual birefringence of pillar microcavities to distinguish the light coupled to the cavity from the uncoupled light: the former participates to rotating the polarization of the reflected beam, while the latter decreases the polarization purity. Applying this technique to a micropillar cavity, we measure a $53 \pm2 \% $ output coupling and a $96 \pm 1\%$ input coupling with unprecedented precision.
description: 6 pages, 3 figures
Angular Momentum Distribution Function of the Laughlin Droplet
Creators: name: Mitra, Sami
name: MacDonald, A. H.
Publisher: name: arXiv
Year: 1993
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We have evaluated the angular-momentum distribution functions for finite numbers of electrons in Laughlin states. For very small numbers of electrons the angular-momentum state occupation numbers have been evaluated exactly while for larger numbers of electrons they have been obtained from Monte-Carlo estimates of the one-particle density matrix. An exact relationship, valid for any number of electrons, has been derived for the ratio of the occupation numbers of the two outermost orbitals of the Laughlin droplet and is used to test the accuracy of the MC calculations. We compare the occupation numbers near the outer edges of the droplets with predictions based on the chiral Luttinger liquid picture of Laughlin state edges and discuss the surprisingly large oscillations in occupation numbers which occur for angular momenta far from the edge.
description: 11 pages of RevTeX, 2 figures available on request. IUCM93-002
The distribution of galaxy rotation in JWST Advanced Deep Extragalactic Survey
Creators: name: Shamir, Lior
Publisher: name: arXiv
Year: 2025
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: JWST provides a view of the Universe never seen before, and specifically fine details of galaxies in deep space. JWST Advanced Deep Extragalactic Survey (JADES) is a deep field survey, providing unprecedentedly detailed view of galaxies in the early Universe. The field is also in relatively close proximity to the Galactic pole. Analysis of spiral galaxies by their direction of rotation in JADES shows that the number of galaxies in that field that rotate in the opposite direction relative to the Milky Way galaxy is ~50% higher than the number of galaxies that rotate in the same direction relative to the Milky Way. The analysis is done using a computer-aided quantitative method, but the difference is so extreme that it can be noticed and inspected even by the unaided human eye. These observations are in excellent agreement with deep fields taken at around the same footprint by HST and JWST. The reason for the difference may be related to the structure of the early Universe, but it can also be related to the physics of galaxy rotation and the internal structure of galaxies. In that case the observation can provide possible explanations to other puzzling anomalies such as the Ho tension and the observation of massive mature galaxies at very high redshifts.
description: MNRAS, accepted
Anisotropies in the Cosmic Microwave Background: An Analytic Approach
Creators: name: Hu, Wayne
name: Sugiyama, Naoshi
Publisher: name: arXiv
Year: 1994
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We introduce a simple yet powerful {\it analytic} method which obtains the structure of cosmic microwave background anisotropies to better than 5-10\% in temperature fluctuations on {\it all} scales. It is applicable to {\it any} model in which the potential fluctuations at recombination are both linear and known. Moreover, it recovers and explains the presence of the ``Doppler peaks'' at degree scales as {\it driven} acoustic oscillations of the photon-baryon fluid. We treat in detail such subtleties as the time dependence of the gravitational driving force, anisotropic stress from the neutrino quadrupole, and damping during the recombination process, again all from an analytic standpoint. We apply this formalism to the standard cold dark matter model to gain physical insight into the anisotropies, including the dependence of the peak locations and heights on cosmological parameters such as $Ω_b$ and $h$, as well as model parameters such as the ionization history. Damping due to the finite thickness of the last scattering surface and photon diffusion are further more shown to be identical. In addition to being a powerful probe into the nature of anisotropies, this treatment can be used in place of the standard Boltzmann code where 5-10\% accuracy in temperature fluctuations is satisfactory and/or speed is essential. Equally importantly, it can be used as a portable standard by which numerical codes can be tested and compared.
description: 31 pages, uuencoded postscript with figures, CfPA-TH-94-34, UTAP-188
Imaging small polarizable scatterers with polarization data
Creators: name: Bardsley, Patrick
name: Cassier, Maxence
name: Vasquez, Fernando Guevara
Publisher: name: arXiv
Year: 2018
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 35R30, 78A46

description: We present a method for imaging small scatterers in a homogeneous medium from polarization measurements of the electric field at an array. The electric field comes from illuminating the scatterers with a point source with known location and polarization. We view this problem as a generalized phase retrieval problem with data being the coherency matrix or Stokes parameters of the electric field at the array. We introduce a simple preprocessing of the coherency matrix data that partially recovers the ideal data where all the components of the electric field are known for different source dipole moments. We prove that the images obtained using an electromagnetic version of Kirchhoff migration applied to the partial data are, for high frequencies, asymptotically identical to the images obtained from ideal data. We analyze the image resolution and show that polarizability tensor components in an appropriate basis can be recovered from the Kirchhoff images, which are tensor fields. A time domain interpretation of this imaging problem is provided and numerical experiments are used to illustrate the theory.
description: 39 pages, 13 figures
Additional file 2: of The caries-arresting effect of incorporating functionalized tricalcium phosphate into fluoride varnish applied following application of silver nitrate solution in preschool children: study protocol for a randomized, double-blind clinical trial
Creators: name: Chen, Kitty
name: Gao, Sherry
name: Duangporn Duangthip
name: Lo, Edward
name: Chu, Chun
Publisher: name: figshare
Year: 2018
Subjects: subject: Biochemistry
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology
subject: Plant Biology
subject: Computational Biology

description: Parental Consent. (PDF 183 kb)
Chiral Perturbation Theory Analysis of the Baryon Magnetic Moments
Creators: name: Jenkins, Elizabeth
name: Luke, Michael
name: Manohar, Aneesh V.
name: Savage, M. J.
Publisher: name: arXiv
Year: 1992
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Nonanalytic $m_q^{1/2}$ and $m_q\ln m_q$ chiral corrections to the baryon magnetic moments are computed. The calculation includes contributions from both intermediate octet and decuplet baryon states. Unlike the one-loop contributions to the baryon axial currents and masses, the contribution from decuplet intermediate states does not partially cancel that from octet intermediate states. The fit to the observed magnetic moments including $m_q^{1/2}$ corrections is found to be much worse than the tree level SU(3) fit if values for the baryon-pion axial coupling constants obtained from a tree level extraction are used. Using the axial coupling constant values extracted at one loop results in a better fit to the magnetic moments than the tree level SU(3) fit. There are three linear relations amongst the magnetic moments when $m_q^{1/2}$ corrections are included, and one relation including $m_q^{1/2}$, $m_q\ln m_q$ and $m_q$ corrections. These relations are independent of the axial coupling constants of the baryons and agree well with experiment.
description: (16 pages, 2 figures; uses harvmac and uufiles), CERN-TH.6735/92, UCSD/PTH 92-34
Exploring Remote and Metropolitan Australian Primary School Parents’ Attitudes Towards Education, Mathematics, and Technology
Creators: name: Jones, Garry Andrew
Publisher: name: Macquarie University
Year: 2024
Subjects: classificationCode: 390109
subject: Mathematics and numeracy curriculum and pedagogy

description: In Australia, metropolitan primary school students consistently outperform their remote peers. Investigations at system-wide and school-based levels have been undertaken, with limited research exploring parents’ attitudes, and no comparative research undertaken exploring remote and metropolitan parents’ attitudes. This study’s purpose was to explore remote and metropolitan Australian primary school parents’ attitudes towards education, mathematics education and the role of technology in education for teaching and learning Given that parents are involved at the personal, behavioural and cognitive-intellectual level of their children, their attitudes represent a vital area of research. This comparative case study explores how parents’ attitudes towards education, mathematics and technology use for themselves and their children’s learning may have been formed. Additionally, how and why these attitudes may differ between locations. Parents’ self-efficacy for mathematics and use of technology to support their child’s mathematics learning was also explored. 
Using semi-structured interviews, anchored to, (a) role theory, (b) self-efficacy, and (c)academic socialisation, data was collected from eight parents, evenly divided between remote and metropolitan locations. Key findings are, remote parents in this study expressed more negativity and less feelings of being connected, confident or competent when considering the mathematics learning of their children in comparison to metropolitan parents. Also, some parents expressed both positive attitudes towards mathematics due to their own mathematical experiences, yet felt negatively about how these experiences related to that of their child. Additionally, parents’ self-efficacy for mathematics and technology diverged based on location, with remote parents expressing higher self-efficacy for mathematics, and metropolitan parents reporting higher self-efficacy for technology.
Discussion suggests expanding forms of practice in the parent/school/community axis through revisioning parents’ role to one of integral partners and unique holders of funds of knowledge. Additionally, that partnerships be established between parents, schools, and universities to support parents to understand current pedagogical approaches through developing parent-pre-service teacher relationships to build shared, subject-specific competence.
Additional file 1: of Improving shared decision-making in a clinical obstetric ward by using the three questions intervention, a pilot study
Creators: name: S. Baijens
name: A. Huppelschoten
name: J. Van Dillen
name: J. Aarts
Publisher: name: figshare
Year: 2018
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology
subject: Science Policy

description: Interview guide, here translated in English was used during interview with four purposively selected patients from the intervention group were, to substantiate the interpretation of our results and to establish future recommendations for the three questions intervention. (DOCX 14 kb)
A comparison principle for convolution measures with applications
Creators: name: Silva, Diogo Oliveira e
name: Quilodrán, René
Publisher: name: arXiv
Year: 2018
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics

description: We establish the general form of a geometric comparison principle for $n$-fold convolutions of certain singular measures in $\mathbb{R}^d$ which holds for arbitrary $n$ and $d$. This translates into a pointwise inequality between the convolutions of projection measure on the paraboloid and a perturbation thereof, and we use it to establish a new sharp Fourier extension inequality on a general convex perturbation of a parabola. Further applications of the comparison principle to sharp Fourier restriction theory are discussed in a companion paper.
description: 17 pages, v2: updated reference to companion paper
To Bin or Not To Bin: Decorrelating the Cosmic Equation of State
Creators: name: de Putter, Roland
name: Linder, Eric V.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The physics behind the acceleration of the cosmic expansion can be elucidated through comparison of the predictions of dark energy equations of state to observational data. In seeking to optimize this, we investigate the advantages and disadvantages of using principal component analysis, uncorrelated bandpowers, and the equation of state within redshift bins. We demonstrate that no one technique is a panacea, with tension between clear physical interpretation from localization and from decorrelated errors, as well as model dependence and form dependence. Specific lessons include the critical role of proper treatment of the high redshift expansion history and the lack of a unique, well defined signal-to-noise or figure of merit.
description: 26 pages, 28 figures
An Overdensity of i-dropouts Among A Population of Excess Field Objects in the Virgo Cluster
Creators: name: Yan, Haojing
name: Hathi, Nimish
name: Windhorst, Rogier
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Using a set of deep imaging data obtained by the ACS on the HST shortly after its deployment, Yan, Windhorst & Cohen (2003) found a large number of F775W-band dropouts (i-dropouts), which are consistent with being galaxies at z~6. The surface density of i-dropouts thus derived, however, is an order of magnitude higher than those subsequent studies found in other deep ACS fields, including the HUDF. Here we revisit this problem, using both the existing and the new data. We confirm that the large overdensity of i-dropouts does exist in this field, and that their optical-to-IR colors are similar to those in the HUDF. However, we have discovered that the i-dropout overdensity is accompanied with an even larger excess of faint field objects in this region and its vicinity. This large excess of field objects is most likely caused by the tidal ``debris'' and/or halo stars related to an interacting galaxy pair in the Virgo Cluster, M60/NGC4647, which lies several arcminutes away from the region where the excess is found. This excess population is also red in color, and the red wing of its color distribution continuously extends to the regime where the i-dropouts reside. While we still cannot completely rule out the possibility that the overdensity of i-dropouts might be a genuine large-scale structure of galaxies at z~6, we prefer the interpretation that most of them are part of the excess stellar population related to M60/NGC4647. Future spectroscopic work will be needed to identify the nature of this i-dropout overdensity. (Abridged)
description: Accepted for publication in ApJ
The Kagome Antiferromagnet with Defects: Satisfaction, Frustration, and Spin Folding in a Random Spin System
Creators: name: Shender, E. F.
name: Cherepanov, V. B.
name: Holdsworth, P. C. W.
name: Berlinsky, A. J.
Publisher: name: arXiv
Year: 1993
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: It is shown that site disorder induces noncoplanar states, competing with the thermal selection of coplanar states, in the nearest neighbor, classical kagome Heisenberg antiferromagnet (AFM). For weak disorder, it is found that the ground state energy is the sum of energies of separately satisfied triangles of spins. This implies that disorder does not induce conventional spin glass behavior. A transformation is presented, mapping ground state spin configurations onto a folded triangular sheet (a new kind of ``spin origami'') which has conformations similar to those of tethered membranes.
description: REVTEX, 11 pages + 3 pictures upon request
A chiral cascade via backreacting D7-branes with flux
Creators: name: Benini, Francesco
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In the context of AdS/CFT, we consider a cascading theory with an arbitrarily large number of chiral flavors. In the UV the theory can be considered as a chiral flavoring of the Klebanov-Tseytlin solution, and exhibits a duality wall. Instead in the IR, due to the rich dynamics, it safely flows to a non-cascading theory. We engineer the field theory through intersecting D7-branes with world-volume gauge flux on a conifold with 3-form fluxes, and we find new fully backreacted solutions of Type IIB Supergravity plus branes. We match the field theory cascade with supergravity by computing Page charges and interpreting Seiberg dualities as large gauge transformations of the background. Eventually we give an interpretation of the chiral zero modes arising at the intersection of the D7-branes with flux.
description: 40 pages, 7 figures; v2: minor changes and refs added
Collisional Control of Ground State Polar Molecules and Universal Dipolar Scattering
Creators: name: Ticknor, Christopher
Publisher: name: arXiv
Year: 2007
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We explore the impact of the short range interaction on the scattering of ground state polar molecules, and study the transition from a weak to strong dipolar scattering over an experimentally reasonable range of energies and electric field values. In the strong dipolar limit, the scattering scales with respect to a dimensionless quantity defined by mass, induced dipole moment, and collision energy. The scaling has implications for all quantum mechanical dipolar scattering, and therefore this universal dipolar scaling provides estimates of scattering cross sections for any dipolar system.
description: 4 pages, 2 figures
Additional File 2:
Creators: name: Mackenzie, Kelly
name: Such, Elizabeth
name: Norman, Paul
name: Goyder, Elizabeth
Publisher: name: figshare
Year: 2018
Subjects: subject: Biochemistry
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Developmental Biology
subject: Computational Biology

description: Search Strategy. (DOCX 14 kb)
9 Aurigae: Strong Evidence for Non-Radial Pulsations
Creators: name: Krisciunas, Kevin
name: Griffin, Roger F.
name: Guinan, Edward F.
name: Luedeke, Kenneth D.
name: McCook, George P.
Publisher: name: arXiv
Year: 1994
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present further photometric observations of the unusual F0 V star 9 Aurigae and present evidence that this star's radial velocity, spectroscopic line widths and line depths are also variable with the same frequencies as the photometric data ($f_1 \approx 0.795$ and $f_2 \approx 0.345$ d$^{-1}$). The phases of these sinusoids are stable over time scales of longer than one year, though the amplitudes can vary, making the prediction of photometric behavior impossible. Given that a variety of other explanations have already been discounted (e.g. interactions with a close companion, the existence of a lumpy, orbiting ring of dust, or star spots) and that these variations occur on time scales an order of magnitude slower than the fundamental radial pulsation period, we have very strong evidence that 9 Aurigae exhibits non-radial {\it g}-mode pulsations. Since the power spectrum of the radial velocity data shows frequency $f_2$ but does not clearly show $f_1$, the present data suggest that $f_2$ is associated with a low degree spherical harmonic ($\ell$ = 1 or 2), while $f_1$ is associated with a higher degree harmonic. 9 Aurigae, along with such stars as $γ$ Doradus, HD 224638, HD 224945, and HD 164615, appear to constitute a new class of pulsating variables. These stars are to be found at or beyond the cool edge of the Cepheid instability strip in the HR Diagram. Prior to this, only much hotter stars have been shown to exhibit non-radial {\it g}-modes.
description: 11 pages Latex plus 5 pages of figures available via Fax or regular mail. Uses MN.STY version 1.0. Revised version for Monthly Notices of the Royal Astr. Soc
Additional File 1:
Creators: name: Mackenzie, Kelly
name: Such, Elizabeth
name: Norman, Paul
name: Goyder, Elizabeth
Publisher: name: figshare
Year: 2018
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology

description: Amendments to the Original PROSPERO Protocol. (DOCX 14 kb)