cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Deviation equations in spaces with affine connection
Creators: name: Iliev, Bozhidar Z.
name: Manoff, Sawa S.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Differential Geometry (math.DG)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 53B05 (Primary) 83C99, 53B50 (Secondary)

description: Connections between Lie derivatives and the deviation equation has been investigated in spaces with affine connection. The deviation equations of the geodesics as well as deviation equations of non-geodesics trajectories have been obtained on this base. This is done via imposing certain conditions on the Lie derivatives with respect to the tangential vector of the basic trajectory.
description: 11 LaTeX page. Some typos are corrected in v.2. Translated from Russian and new typeset by B.Z. Iliev. For related papers, visit the "publication" pages at http://theo.inrne.bas.bg/~bozho/ and http://theo.inrne.bas.bg/elpart/SavaManov/smanoff.html . Prof. Sawa Manoff passed away on May 27, 2005
RETAIL FOOD STORE EMPLOYEE INFLUENCE ON CUSTOMER SHOPPING BEHAVIOR
Creators: name: Krueckeberg, Harry F.
name: Krueckeberg, Harry F.
Publisher: name: Unknown
Year: 1990
Subjects: Consumer/Household Economics
Labor and Human Capital

description: Retail food store employees presumably improve the level of satisfaction customers realize during a shopping trip. A review of the literature revealed few significant contributions supporting or refuting this contention. A telephone survey of 505 households in Fort Collins, CO during the Fall of 1988 was conducted to generate information on retail food store employees helpfulness. The findings revealed little explicit impact of helpfulness. Statistical analysis determined a number of relationships between dollars spent in a store and the perceived level of employee helpfulness. Retail food stores were not selected, patronized nor avoided based exclusively nor extensively on perceptions of employee helpfulness. On the other hand, employees were considered necessary for an enjoyable shopping trip. Employees are neither change agents in retail food stores nor are they apparently significant stress inducers or inhibitors compared to the potential stress realized by an inconvenient location, high prices or a poor variety of products. It is recommended that employees be more closely associated with obvious service strategies, and that services be made more obvious and predominant in the promotion and advertising of the retail food store.
134. Resolved binaries within 1 kpc
Creators: name: Perryman, Michael
Publisher: name: Zenodo
Year: 2023

description: Binary and multiple stars occur in a bewildering variety of configurations, and range from the very compact to wide, long-period systems. Here I look at a uniform sample of 1.3 million resolved binaries constructed from Gaia EDR3. It includes white dwarf–white dwarf binaries, main sequence–white dwarf binaries, and many `twin' binaries.
Decay Constants of Pseudoscalar Mesons to Two Loops in Three-Flavor Partially Quenched $χ$PT
Creators: name: Bijnens, Johan
name: Lahde, Timo A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: This paper presents a first study of the decay constants of the charged, or flavor-off-diagonal, pseudoscalar mesons to two loops for three flavors of sea quarks, in Partially Quenched Chiral Perturbation Theory (PQ$χ$PT). Explicit analytical expressions up to ${\cal O}(p^6)$ in the momentum expansion are given. The calculations have been performed within the supersymmetric formulation of PQ$χ$PT. We also present some numerical results to indicate the size of the corrections.
description: 14p
Spin texture driven spintronic enhancement at the LaAlO$_3$/SrTiO$_3$ interface
Creators: name: Bruneel, Pierre
name: Gabay, Marc
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Recent experiments have shown that transition metal oxide heterostructures such as SrTiO$_3$-based interfaces, exhibit large, gate tunable, spintronic responses. Our theoretical study showcases key factors controlling the magnitude of the conversion, measured by the inverse Edelstein and Spin Hall effects, and their evolution with respect to an electrostatic doping. The origin of the response can be linked to spin-orbital textures. These stem from the broken inversion symmetry at the interface which produces an unusual form of the interfacial spin-orbit coupling, provided a bulk atomic spin-orbit contribution is present. The amplitudes and variations of these observables are direct consequences of the multi-orbital subband structure of these materials, featuring avoided and topological crossings. Interband contributions to the coefficients lead to enhanced responses and non-monotonic evolution with doping. We highlight these effects using analytical approaches and low energy modeling.
description: 5 pages, 2 figures
title: Selection, genetics and evolution of growth and size
Creators: name: Janeiro Silva, Maria João
Publisher: name: University of St Andrews
Year: 2019

description: A considerable body of work in recent decades in the ﬁeld of evolutionary quantitative genetics has been motivated by the paradox of stasis. Mismatches between observed dynamics of size in wild populations and evolutionary predictions must arise from deﬁcient understanding of the theoretical grounds underlying the evolution in a particular system, and/or the adoption of methodological tools making assumptions that are unrealistic. Although different in their nature, these classes of explanation are difﬁcult to tear apart, as very often quantitative genetics (statistical) tools make either implicit or explicit assumptions about biology and ecology. In this thesis, I investigate inheritance and/or selection mechanisms when conventional applications of theory are expected to lead to biased or erroneous predictions of evolutionary change in size. Speciﬁcally, I adopt a methodology to handle genetic constraints in a fairly phenotypic perspective, which facilitates quantiﬁcation of bias that would exist if such constraint was not accounted for (Chapter 3). I use this methodology to tear apart the selection in Soay sheep body mass that occurs directly through its effect on ﬁtness and indirectly through its effect on pregnancy during the ﬁrst year of life. Next, I provide analytical proofs of several issues with applications of integral projection models (IPMs) that incorporate inheritance and development, concluding that these will predict no evolutionary change regardless of whether it should, will, or has occurred (Chapter 4). Another main topic of this thesis is the development of a two-sex individual-based model (IBM) of horn length (Chapter 6), equivalent to an IPM, that uses quantitative genetics theory to model trait transmission (with development functions estimated in Chapter 5). This IBM, parameterised using data from the bighorn sheep (Ovis canadensis) of Ram Mountain, is used to quantify the evolutionary response to trophy hunting, while accounting for a large number of ecological complexities.
Angular momentum of light
Creators: name: Stewart, A. M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Optics (physics.optics)
subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: By means of the Helmholtz theorem on the decomposition of vector fields, the angular momentum of the classical electromagnetic field is decomposed, in a general and manifestly gauge invariant manner, into a spin component and an orbital component. The method is applied to linearly and circularly polarized plane waves in their classical and quantum forms.
description: 15 pages references updated typos corrected
REDUCING TRANSPORTATION DAMAGE TO GRAPES AND STRAWBERRIES
Creators: name: Fischer, Dieter F.
name: Craig, William L.
name: Ashby, B. Hunt
name: Fischer, Dieter F.
name: Craig, William L.
name: Ashby, B. Hunt
Publisher: name: Unknown
Year: 1990
Subjects: Agribusiness

description: In-transit vibration damage to grapes and strawberries results in reduced quality for the consumer and reduced profits for the produce industry. To solve this problem, the first step is to determine which vibrational frequencies are causing the damage. In various tests, grapes and strawberries were subjected to different frequencies at constant force levels. The effects of the vibration treatments were evaluated on the basis of grading, color analysis, firmness, respiration rate and ethylene production rate. The critical frequency was found to lie between 7.5 and 10 Hertz for both commodities. Color change and respiration rate were shown to be good indicators of damage in grapes. Strawberries did not show a significant effect due to color. Firmness was not affected by vibration in either commodity.
Competing Polymerization of Actin Skeleton explains Relation between Network Polarity and Cell Movements
Creators: name: Nandy, B.
name: Baumgaertner, A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Subcellular Processes (q-bio.SC)
subject: FOS: Biological sciences

description: Based on experimental observations it is known that various biological cells exhibit a persistent random walk during migration on flat substrates. The persistent random walk is characterized by `stop-and-go' movements : unidirectional motions over distances of the order of several cell diameter are separated by localized short time erratic movements. Using computer simulations the reasons for this phenomena had been unveiled and shown to be attributed to two antagonistic nucleation processes during the polymerization of the cell's actin cytoskeleton : the (ordinary) spontaneous nucleation and the dendritic nucleation processes. Whereas spontaneous nucleations generate actin filaments growing in different directions and hence create motions in random directions, dendritic nucleations provide a unidirectional growth. Since dendritic growth exhibits stochastic fluctuations, spontaneous nucleation may eventually compete or even dominate, which results in a reorientation of filament growth and hence a new direction of cell motion. The event of reorientation takes place at instants of vanishing polarity of the actin skeleton.
description: 13 pages, 5 figures
Ellipticity-dependent sequential over-barrier ionization of cold rubidium
Creators: name: Yuan, Junyang
name: Liu, Shiwei
name: Wang, Xincheng
name: Shen, Zhenjie
name: Ma, Yixuan
name: Ma, Huanyu
name: Meng, Qiuxiang
name: Yan, Tian-Min
name: Zhang, Yizhu
name: Dorn, Alexander
name: Weidemüller, Matthias
name: Ye, Difa
name: Jiang, Yuhai
Publisher: name: arXiv
Year: 2020
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We perform high-resolution measurements of momentum distribution on Rb$^{n+}$ recoil ions up to charge state $n=4$, where laser-cooled rubidium atoms are ionized by femtosecond elliptically polarized lasers with the pulse duration of 35 fs and the intensity of 3.3$\times$10$^{15}$ W/cm$^2$ in the over-barrier ionization (OBI) regime. The momentum distributions of the recoil ions are found to exhibit multi-band structures as the ellipticity varies from the linear to circular polarizations. The origin of these band structures can be explained quantitatively by the classical OBI model and dedicated classical trajectory Monte Carlo simulations with Heisenberg potential. Specifically, with back analysis of the classical trajectories, we reveal the ionization time and the OBI geometry of the sequentially released electrons, disentangling the mechanisms behind the tilted angle of the band structures. These results indicate that the classical treatment can describe the strong-field multiple ionization processes of alkali atoms.
Institutional barriers to effective environmental policy in a newly industrialized country : a case study of water pollution policy in Taiwan
Creators: name: Kinne, Beth Ellen
Publisher: name: University of British Columbia
Year: 2009

description: Environmental policy is increasingly important to economic and social stability and ecosystem and human welfare worldwide. Rapid changes in technology, industrial processes and social consumption patterns effect changes in the nature of pollution, adding to the difficulty of designing appropriate policies. Environmental institutions in developing and newly industrialized countries like Taiwan are often young and ill-equipped to promote innovative development and implementation of effective environmental policy. The role of industry-regulator dialogue, independence of the regulatory body from industry interests, information access, and the degree of public involvement in the environmental policy process all effect a country's potential to develop effective environmental policy. In this research I used water pollution policy as a starting point to examine the current institutional framework supporting environmental policy in Taiwan with the goal of determining which factors inhibit innovation which factors might allow for positive change in environmental policy. In addition, Hsinchu County, Hsinchu City and the Hsinchu Science-based Industrial Park (HSIP) were chosen as the focus of study in an attempt to evaluate the ability of Taiwan's current environmental policy regime to cope with the growing threat of high-tech pollution. Research was carried out through personal interviews in Taiwan with HSIP industry representatives, Environmental Protection Administration representatives, academic researchers, environmental reporters, environmental consultant firms and environmental NGOs. The interviews were supplemented with collected reports on water pollution and industrial pollution research in Taiwan. Analysis of the data led to the conclusion that institutional weaknesses that reduce the independence of the regulatory body from industry, hinder information flow between researchers, industry and government, and prevent participation of the public in the environmental policy process impede development of innovative environmental policy in Taiwan. However, Taiwan has many strengths that are beginning to show promise in promoting the development of an institutional environment conducive to innovative design and application of water pollution policy and environmental policy in general.
Appendices of Social and Institutional Presence Research of America Presidents in Social Media
Creators: name: Madureira, Adriano
name: Mendonça, Lucas
name: Junior, Harold Dias De Mello
name: Paulino, Rita De Cássia Romeiro
name: Figueiredo, Karla
name: Costa, Fernando Augusto Ribeiro
name: Seruffo, Marcos César Da Rocha
Publisher: name: figshare
Year: 2021
Subjects: subject: 80709 Social and Community Informatics
subject: FOS: Media and communications

description: This materials contains the appendices with: graphics of most liked presidents publications and informations about the presidents attention and care related to COVID-19 disease; tables of the most liked tweets of each president; word cloud of the presidents tweets.
Radiation Damage Effects on Double-SOI Pixel Sensors for X-ray Astronomy
Creators: name: Hagino, Kouichi
name: Yarita, Keigo
name: Negishi, Kousuke
name: Oono, Kenji
name: Hayashida, Mitsuki
name: Kitajima, Masatoshi
name: Kohmura, Takayoshi
name: Tsuru, Takeshi G.
name: Tanaka, Takaaki
name: Uchida, Hiroyuki
name: Kayama, Kazuho
name: Amano, Yuki
name: Kodama, Ryota
name: Takeda, Ayaki
name: Mori, Koji
name: Nishioka, Yusuke
name: Yukumoto, Masataka
name: Hida, Takahiro
name: Arai, Yasuo
name: Kurachi, Ikuo
name: Hamano, Tsuyoshi
name: Kitamura, Hisashi
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The X-ray SOI pixel sensor onboard the FORCE satellite will be placed in the low earth orbit and will consequently suffer from the radiation effects mainly caused by geomagnetically trapped cosmic-ray protons. Based on previous studies on the effects of radiation on SOI pixel sensors, the positive charges trapped in the oxide layer significantly affect the performance of the sensor. To improve the radiation hardness of the SOI pixel sensors, we introduced a double-SOI (D-SOI) structure containing an additional middle Si layer in the oxide layer. The negative potential applied on the middle Si layer compensates for the radiation effects, due to the trapped positive charges. Although the radiation hardness of the D-SOI pixel sensors for applications in high-energy accelerators has been evaluated, radiation effects for astronomical application in the D-SOI sensors has not been evaluated thus far. To evaluate the radiation effects of the D-SOI sensor, we perform an irradiation experiment using a 6-MeV proton beam with a total dose of ~ 5 krad, corresponding to a few tens of years of in-orbit operation. This experiment indicates an improvement in the radiation hardness of the X- ray D-SOI devices. On using an irradiation of 5 krad on the D-SOI device, the energy resolution in the full-width half maximum for the 5.9-keV X-ray increases by 7 $\pm$ 2%, and the chip output gain decreases by 0.35 $\pm$ 0.09%. The physical mechanism of the gain degradation is also investigated; it is found that the gain degradation is caused by an increase in the parasitic capacitance due to the enlarged buried n-well.
description: 7 pages, 7 figures, accepted for publication in NIM A
Scalar Field Oscillations Contributing to Dark Energy
Creators: name: Masso, Eduard
name: Rota, Francesc
name: Zsembinszki, Gabriel
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We use action-angle variables to describe the basic physics of coherent scalar field oscillations in the expanding universe. These analytical mechanics methods have some advantages, like the identification of adiabatic invariants. As an application, we show some instances of potentials leading to equations of state with $p
description: 17 pages, 6 figures, Latex file. Sec.II reduced, discussion on sound speed added in Sec.IV, new references added. Accepted for publication in Physical Review D
Polishing the Gold Standard: The Role of Orbital Choice in CCSD(T) Vibrational Frequency Prediction
Creators: name: Bertels, Luke W.
name: Lee, Joonho
name: Head-Gordon, Martin
Publisher: name: arXiv
Year: 2020
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: While CCSD(T) with spin-restricted Hartree-Fock (RHF) orbitals has long been lauded for its ability to accurately describe closed-shell interactions, the performance of CCSD(T) on open-shell species is much more erratic, especially when using a spin-unrestricted HF (UHF) reference. Previous studies have shown improved treatment of open-shell systems when a non-HF set of molecular orbitals, like Brueckner or Kohn-Sham density functional theory (DFT) orbitals, is used as a reference. Inspired by the success of regularized orbital-optimized second-order Møller-Plesset perturbation theory ($κ$-OOMP2) orbitals as reference orbitals for MP3, we investigate the use of $κ$-OOMP2 orbitals and various DFT orbitals as reference orbitals for CCSD(T) calculations of the corrected ground-state harmonic vibrational frequencies of a set of 36 closed-shell (29 neutrals, 6 cations, 1 anion) and 59 open-shell diatomic species (38 neutrals, 15 cations, 6 anions). The use of $κ$-OOMP2 orbitals in this context alleviates difficult cases observed for both UHF orbitals and OOMP2 orbitals. Removing 2 multireference systems and 12 systems with ambiguous experimental data leaves a pruned data set. Overall performance on the pruned data set highlights CCSD(T) with a B97 orbital reference (CCSD(T):B97), CCSD(T) with a $κ$-OOMP2 orbital reference (CCSD(T):$κ$-OOMP2), and CCSD(T) with a B97M-rV orbital reference (CCSD(T):B97M-rV) with RMSDs of 8.48 cm$^{-1}$ and 8.50 cm$^{-1}$, and 8.75 cm$^{-1}$ respectively, outperforming CCSD(T):UHF by nearly a factor of 5. Moreover, the performance on the closed- and open-shell subsets show these methods are able to treat open-shell and closed-shell systems with comparable accuracy and robustness. The use of $κ$-OOMP2 orbitals has also proven useful in diagnosing multireference character that can hinder the reliability of CCSD(T).
Additional file 1 of Invisible contaminants and food security in former coal mining areas of Santa Catarina, Southern Brazil
Creators: name: Blanco, Graziela Dias
name: Sühs, Rafael Barbizan
name: Escarlet Brizola
name: Corrêa, Patrícia Figueiredo
name: Campos, Mari Lucia
name: Hanazaki, Natalia
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy
subject: 60506 Virology

description: Additional file 1. Model of the applied interview [interviewer’s orientations between brackets].
Quantum oscillation beyond the quantum limit in pseudospin Dirac materials
Creators: name: Wang, C. M.
name: Lu, Hai-Zhou
name: Xie, X. C.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Recently, many unexpected fine structures in electric, magnetic, and thermoelectric responses at extremely magnetic fields in topological materials have attracted tremendous interest. We propose a new mechanism of quantum oscillation beyond the strong-field quantum limit for Dirac fermions. The amplitude of the oscillation is far larger than the usual Shubnikov--de Haas oscillation. The oscillation tends to be periodic in the magnetic field B, instead of 1/B. The period of the oscillation does not depend on the Fermi energy. These behaviors cannot be described by the famous Lifshitz-Kosevich formula. The oscillation arises from a mechanism that we refer to as the inversion of the lowest Landau level, resulted from the competition between the pseudospin Dirac-type Landau levels and real-spin Zeeman spitting beyond the quantum limit. This inversion gives rise to the oscillation of the Fermi energy and conductivity at extremely large magnetic fields. This mechanism will be useful for understanding the unexpected fine structures observed in the strong-field quantum limit in Dirac materials.
description: Accepted in Physical Review B: Rapid Communications
Data stewardship fundamentals
Creators: name: Barry, Nene Djenaba
name: Hajikhanov, Nijat
name: Bremm, Rene Peter
name: Sébastien, Martin
Publisher: name: Zenodo
Year: 2024

description: Slides used for Data Stewardship Fundamentals training held by Digital Learning Hub (DLH) on 27, 28 June 2024.

Link to training: https://dlh.lu/product/data-stewardship-fundamentals/
Giant resonant enhancement of optical binding of dielectric disks
Creators: name: Bulgakov, E. N.
name: Pichugin, K. N.
name: Sadreev, A. F.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Two-parametric variation over the aspect ratio of each disk and distance between disks gives rise to numerous events of avoided crossing of resonances of individual disks. For these events the hybridized anti-bonding resonant modes can acquire a morphology close to the Mie resonant mode with high orbital momentum of equivalent sphere. The $Q$ factor of such resonance can exceed the $Q$ factor of isolated disk by two orders in magnitude. We show that dual incoherent counter propagating coaxial Bessel beams with power $1mW/μm^2$ with frequency resonant to such a anti-bonding modes result in unprecedented optical binding forces up to decades of nano Newtons for silicon micron size disks. We show also that a magnitude and sign of optical forces strongly depend on the longitudinal wave vector of the Bessel beams.
description: 6 pages, 9 figures
Role of heterostructures and multiple magnetic phases in the low-field magnetization of Fe-Cr GMR multilayers
Creators: name: Patel, R. S.
name: Majumdar, A. K.
name: Nigam, A. K.
name: Temple, D.
name: Pace, C.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: Zero-field-cooled (ZFC) and field-cooled (FC) magnetization along with ac-magnetization vs. temperature and m-h loop measurements are reported for two series of ion-beam sputtered Fe-Cr GMR multilayers where the interface roughness is different. The exchange coupling between the Fe layers varies from ferromagnetic (FC) to antiferromagnetic (AF) depending upon the Cr layer thickness. The ZFC and FC magnetization data follow different curves below an irreversible temperature ($T_{irr}$). The FC data shows a $T^{3/2}$ thermal demagnetization behavior at lower temperatures with very small spin-wave stiffness constant (as compared with that of bulk Fe obtained from Bloch's $T^{3/2}$ law) but it goes as 1/T at higher temperatures (above ($T_{irr}$)). This behavior is interpreted in terms of the coexistence of spin-glass (SG)/superparamagnetic, FM and AF phases. ac-magnetization vs. temperature shows a peak at $T_g$. This peak shifts towards higher temperatures and its amplitude decreases with increasing frequency of the driving ac field.
description: 19 pages
Representations of Two-parameter Quantum Orthogonal and Symplectic Groups
Creators: name: Bergeron, Nantel
name: Gao, Yun
name: Hu, Naihong
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Algebra (math.QA)
subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: 17B37, 81R50; 17B35

description: We investigate the finite-dimensional representation theory of two-parameter quantum orthogonal and symplectic groups that we found in [BGH] under the assumption that $rs^{-1}$ is not a root of unity and extend some results [BW1, BW2] obtained for type $A$ to types $B$, $C$ and $D$. We construct the corresponding $R$-matrices and the quantum Casimir operators, by which we prove that the complete reducibility Theorem also holds for the categories of finite-dimensional weight modules for types $B$, $C$, $D$.
Influence of quintessence dark energy on the shadow of black hole
Creators: name: Zeng, Xiao-Xiong
name: Zhang, Hai-Qing
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the effects of quintessence dark energy on the shadows of black hole, surrounded by various profiles of accretions. For the thin disk accretion, the images of the black hole comprises the dark region and bright region, including direct emission, lensing rings and photon rings. Although their details depend on the form of the emission, generically, the direct emission plays a major role for the observed brightness of the black hole, while the lensing ring makes a small contribution and photon ring makes a negligible contribution. The existence of cosmological horizon also plays an important role in the shadows, since the observer in the domain of outer communications is nearby the cosmological horizon. For the spherically symmetric accretion, the static and infalling matters are considered. We find that the positions of photon spheres are the same for both static and infalling accretions. However, the observed specific intensity of the image for the infalling accretion is darker than the static accretion, due to the Doppler effect of the infalling movement.
description: references added
2D Kagome Ordering in the 3D Frustrated Spinel Li2Mn2O4
Creators: name: Wiebe, C. R.
name: Russo, P. L.
name: Savici, A. T.
name: Uemura, Y. J.
name: MacDougall, G. J.
name: Luke, G. M.
name: Kuchta, S.
name: Greedan, J. E.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: muSR experiments on the geometrically frustrated spinel oxide, Li2Mn2O4, show the development of spin correlations over a range of length scales with decreasing temperature. Increased relaxation below 150 K is consistent with the onset of spin correlations. Below 50 K, spin order on a length scale, which is long range for the muSR probe, appears abruptly in temperature, consistent with prior neutron diffraction results. The oscillations in the zero field asymmetry are analyzed using a three frequency model. By locating the muon site this is shown to be consistent with the unexpected 2D q = root 3 x root 3 structure on the Kagome planes proposed originally from neutron data. Longitudinal field data demonstrate that some spin dynamics persist even at 2 K. Thus, a very complex magnetic ground state, featuring the co-existence of long length scale 2D ordering and significant spin dynamics, is proposed. This is unusual considering the 3D topology of the Mn3+ spins in this material.
description: 9 pages, 9 figures, to be submitted to J. Phys. Cond. Matt
Additional file 3 of Invisible contaminants and food security in former coal mining areas of Santa Catarina, Southern Brazil
Creators: name: Blanco, Graziela Dias
name: Sühs, Rafael Barbizan
name: Escarlet Brizola
name: Corrêa, Patrícia Figueiredo
name: Campos, Mari Lucia
name: Hanazaki, Natalia
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy
subject: 60506 Virology

description: Additional file 3. PCoA showing that there was no difference in the set of species collected from mined areas between mining communities, perceptions of landscape changes (i.e. positive, neutral and negative), types of abandoned areas (i.e. either abandoned or partially restored) and gender (i.e. men and women).
Coherent and incoherent radiation from high-energy electron and the LPM effect in oriented single crystal
Creators: name: Baier, V. N.
name: Katkov, V. M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The process of radiation from high-energy electron in oriented single crystal is considered using the method which permits inseparable consideration of both coherent and incoherent mechanisms of photon emission. The total intensity of radiation is calculated. The theory, where the energy loss of projectile has to be taken into account, agrees quite satisfactory with available CERN data. It is shown that the influence of multiple scattering on radiation process is suppressed due to action of crystal field.
description: 15 pages, 3 figures
Defining Big Data for Generalist Repositories
Creators: name: Van Gulick, Ana
name: Richardson, Joshua
name: Doran, Aaron
Publisher: name: Zenodo
Year: 2025
Subjects: Generalist Repository Ecosystem Initiative (GREI)
Generalist Repositories
Big Data

description: This white paper defines Big Data and its key characteristics, including volume, variety, velocity, and veracity. It explains that Generalist Repositories (GRs) are suitable for handling Big Data due to their data-agnostic nature and ability to store large, heterogeneous datasets. The document highlights the increasing importance of Big Data in research and the efforts of the NIH-funded Generalist Repository Ecosystem Initiative (GREI) to support its sharing and reuse.

The document outlines specific features and challenges related to Big Data in GRs, such as storage size, file number, data updates, access methods, and interoperability with cloud platforms. It also addresses data packaging, metadata creation, moderated access, curation support, retention periods, and associated costs. The document provides links to additional GREI resources for repository comparisons and selection. It acknowledges the sources used to develop the definition of Big Data and the NIH funding support for this initiative.
Mg2+ ion effect on stability of double-stranded popynucleotide formed by polyriboinosinic and polyribocytidilic chains
Creators: name: Sorokin, V. A.
name: Valeev, V. A.
name: Usenko, E. L.
name: Karachevtsev, V. A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Biological Physics (physics.bio-ph)
subject: FOS: Physical sciences

description: Mg2+ effect on the thermal stability of the double-stranded polynucleotide polyIpolyC (IC) under conditions close to physiological ones (0.1M Na+, pH7) was studied by the differential UV spectroscopy. The initial increase of the ion concentration ([Mg2+]) leads to the increase of the melting temperature (Tm) and to the decrease of the absorption hyperchromicity value that is caused by the helix-coil transition (hmax). Mg2+ interacts to p-electrons of hypoxanthine or cytosine rings (cation-p-interaction). When [Mg2+] reaches a critical value of about 10-4 M, Tm decreases and hmax increase to values close to one observed in the absence of magnesium. It is supposed that at [Mg2+]=[Mg2+]cr IC transits into a new structural state. With [Mg2+>[Mg2+]cr Tm increases again and hmax slowly decreases. Key words: polynucleotides, thermal stability, metal ions.
description: 9 pages, 3 figures
Forestry workers-- an endangered species : countermovement mobilization on the west coast of Vancouver Island
Creators: name: Mauboulès, Céline
Publisher: name: University of British Columbia
Year: 2009

description: Vancouver Island's old growth temperate rainforest has been the focal point in the conflict between environmentalists and forestry workers. While a substantial body of sociological literature exists on participants in the environmental movement (EM), there is a dearth of literature on participants in anti-environmentalist countermovements. Share Our Resources of Port Alberni (Share) is a countermovement organization that emerged to act as a voice for forestry workers and resource dependent communities and to counter the 'misinformation' being spread by environmentalists. The conflict over forestry and conservation is fuelled as environmentalists become the "other" against which Share members mobilize and construct their collective identity - an collective identity characterized by a core of pro-industry, pro-community and anti-environmental sentiments. This thesis addresses two research questions: First, what are the underlying differences between members of the two movements with respect to their socio-demographics, values, networks, and collective identities? Second, if certain factors are important in explaining identification with the EM, then what factors are important in explaining identification with Share. Using bivariate correlation analysis and multiple regression analysis, three sources of data are analyzed: self-administered questionnaires sent to both Share (N=129) and EM members (N=381); and a telephone survey of the general public of Port Alberni (N=100). My results show that Share respondents are predominantly older, working class men employed in the forest industry without a great deal of formal education. Share members more highly value anthropocentrism and are more politically conservative. Identification with the forest industry is the strongest and most significant predictor of identification with Share. The most theoretically interesting and surprising finding is that out-group ties or ties to environmentalists, is a positive and statistically significant predictor of identification with Share.
Gravitational Microlensing and the Structure of Quasar Outflows
Creators: name: Chelouche, Doron
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We show that invaluable information on the structure of quasar outflows can be obtained by considering microlensing (ML) induced variability of absorption line troughs in lensed quasars. Depending on the structure and geometry of the outflowing gas, such extrinsic line variability can be manifested as changes to the equivalent width of the line as well as line profile distortions. Here we consider several physically distinct outflow models, having very similar spectral predictions, and show how ML induced absorption line variability can be used to distinguish between them. The merits of future systematic studies of these effects are exemplified.
description: 6 pages, 6 figures (low resolution format), accepted for publication in ApJ
Comparison of Masking Algorithms for Sentinel-2 Imagery
Creators: name: Zekoll, Viktoria
name: Main-Knorn, Magdalena
name: Alonso, Kevin
name: Louis, Jerome
name: Frantz, David
name: Richter, Rudolf
name: Pflug, Bringfried
Publisher: name: Humboldt-Universität zu Berlin
Year: 2021
Subjects: subject: Sentinel-2
subject: masking
subject: Fmask
subject: ATCOR
subject: Sen2Cor
subject: 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten

description: Masking of clouds, cloud shadow, water and snow/ice in optical satellite imagery is an important step in automated processing chains. We compare the performance of the masking provided by Fmask (“Function of mask” implemented in FORCE), ATCOR (“Atmospheric Correction”) and Sen2Cor (“Sentinel-2 Correction”) on a set of 20 Sentinel-2 scenes distributed over the globe covering a wide variety of environments and climates. All three methods use rules based on physical properties (Top of Atmosphere Reflectance, TOA) to separate clear pixels from potential cloud pixels, but they use different rules and class-specific thresholds. The methods can yield different results because of different definitions of the dilation buffer size for the classes cloud, cloud shadow and snow. Classification results are compared to the assessment of an expert human interpreter using at least 50 polygons per class randomly selected for each image. The class assignment of the human interpreter is considered as reference or “truth”. The interpreter carefully assigned a class label based on the visual assessment of the true color and infrared false color images and additionally on the bottom of atmosphere (BOA) reflectance spectra. The most important part of the comparison is done for the difference area of the three classifications considered. This is the part of the classification images where the results of Fmask, ATCOR and Sen2Cor disagree. Results on difference area have the advantage to show more clearly the strengths and weaknesses of a classification than results on the complete image. The overall accuracy of Fmask, ATCOR, and Sen2Cor for difference areas of the selected scenes is 45%, 56%, and 62%, respectively. User and producer accuracies are strongly class- and scene-dependent, typically varying between 30% and 90%. Comparison of the difference area is complemented by looking for the results in the area where all three classifications give the same result. Overall accuracy for that “same area” is 97% resulting in the complete classification in overall accuracy of 89%, 91% and 92% for Fmask, ATCOR and Sen2Cor respectively.
Dynamical response and competing orders in two-band Hubbard model
Creators: name: Niyazi, A.
name: Geffroy, D.
name: Kuneš, J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present a dynamical mean-field study of two-particle dynamical response functions in two-band Hubbard model across several phase transitions. We observe that the transition between theexcitonic condensate and spin-state ordered state is continuous with a narrow strip of supersolidphase separating the two. Approaching transition from the excitonic condensate is announced bysoftening of the excitonic mode at theMpoint of the Brillouin zone. Inside the spin-state orderedphase there is a magnetically ordered state with 2x2 periodicity, which has no precursor in thenormal phase.
description: 8 pages, 9 figures
135. Triple star systems
Creators: name: Perryman, Michael
Publisher: name: Zenodo
Year: 2023

description: How common are triple star systems? Why are they important to study, why they are so difficult to discover, and what can they tell us about the star formation process? Gaia is providing an unprecedented census of wide triple systems by virtue of its discovery depth and uniformity. Amongst them is the first resolved triple white dwarf system.
PulsarSpectrum: simulating gamma-ray pulsars for the GLAST mission
Creators: name: Razzano, M.
name: Latronico, L.
name: Omodei, N.
name: Spandre, G.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present here an overview of PulsarSpectrum, a program that simulates the gamma ray emission from pulsars. This simulator reproduces not only the basic features of the observed gamma ray pulsars, but it can also simulate more detailed effects related to pulsar timing. It is a very useful tool to understand the GLAST capabilities in the pulsar science.
description: 6 pages, 3 figures, contribution for "Third Workshop on Science with the New Generation of High Energy Gamma-ray Experiments", May 2005, Cividale del Friuli (UD), Italy
Additional file 2 of Electronic ordering and the management of treatment interdependencies: a qualitative study of paediatric chemotherapy
Creators: name: Lichtner, Valentina
name: Franklin, Bryony Dean
name: Dalla-Pozza, Luciano
name: Westbrook, Johanna I.
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer

description: Additional file 2. Incident analysis - methods and summary of findings.
Multi-spectroscopic investigation of the structure of single-wall carbon nanotubes
Creators: name: Izard, Nicolas
name: Riehl, Didier
name: Anglaret, Eric
Publisher: name: arXiv
Year: 2005
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We present a multispectroscopic structural study of various nanotube samples with different tube diameters. We determine for each sample the mean bundle and tube diameter as well as the tube diameter distribution. The possibility to work on SWNT of various structural characteristics opens new opportunities to correlate the nanotube structure and their physical properties.
description: Conf\'{e}rence : 8 au 15 mars 2003
Compactness of Transfer Operators and Spectral Representation of Ruelle Zeta Functions for Super-continuous Functions
Creators: name: Nakagawa, Katsukuni
Publisher: name: arXiv
Year: 2020
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics

description: Transfer operators and Ruelle zeta functions for super-continuous functions on one-sided topological Markov shifts are considered. For every super-continuous function, we construct a Banach space on which the associated transfer operator is compact. Using this Banach space, we establish the trace formula and spectral representation of Ruelle zeta functions for a certain class of super-continuous functions. Our results include, as a special case, the classical trace formula and spectral representation for the class of locally constant functions.
Pure subrings of regular rings are pseudo-rational
Creators: name: Schoutens, Hans
Publisher: name: arXiv
Year: 2005
Subjects: subject: Commutative Algebra (math.AC)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14B05, 13H10, 03C20

description: We prove a generalization of the Hochster-Roberts-Boutot-Kawamata Theorem conjectured by Aschenbrenner and the author: let $R\to S$ be a pure homomorphism of equicharacteristic zero Noetherian local rings. If $S$ is regular, then $R$ is pseudo-rational, and if $R$ is moreover $\mathbb Q$-Gorenstein, then it pseudo-log-terminal.
Additional file 1 of Electronic ordering and the management of treatment interdependencies: a qualitative study of paediatric chemotherapy
Creators: name: Lichtner, Valentina
name: Franklin, Bryony Dean
name: Dalla-Pozza, Luciano
name: Westbrook, Johanna I.
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer

description: Additional file 1: Appendix 1: Interview guide.
Nachruf auf Luise Abramowski (1928 - 2014)
Creators: name: Hainthaler, Theresia
name: Abramowski, Luise
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 97 (2013): Oriens christianus, Band 97
Estimating a fluctuating magnetic field with a continuously monitored atomic ensemble
Creators: name: Zhang, Cheng
name: Molmer, Klaus
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the problem of estimating a time dependent magnetic field by continuous optical probing of an atomic ensemble. The magnetic field is assumed to follow a stochastic Ornstein-Uhlenbeck process and it induces Larmor precession of the atomic ground state spin, which is read out by the Faraday polarization rotation of a laser field probe. The interactions and the measurement scheme are compatible with a hybrid quantum-classical Gaussian description of the unknown magnetic field, and the atomic and field variables. This casts the joint conditional quantum dynamics and classical parameter estimation problem in the form of update formulas for the first and second moments of the classical and quantum degrees of freedom. Our hybrid quantum-classical theory is equivalent with the classical theory of Kalman filtering and with the quantum theory of Gaussian states. By reference to the classical theory of smoothing and with the quantum theory of past quantum states, we show how optical probing after time $t$ improves our estimate of the value of the magnetic field at time $t$, and we present numerical simulations that analyze and explain the improvement over the conventional filtering approach.
description: 8 pages, 4 figures
Non-perturbative renormalisation for overlap fermions
Creators: name: Gürtler, M.
name: Horsley, R.
name: Rakow, P. E. L.
name: Roberts, C. J.
name: Schierholz, G.
name: Streuer, T.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: Using non-perturbative techniques we have found the renormalisation factor, Z, in the RI-MOM scheme for quark bilinear operators in quenched QCD. We worked with overlap fermions using the Luescher-Weisz gauge action. Our calculation was performed at beta=8.45 at a lattice spacing of 1/a=2.1 GeV using a value of rho=1.4. Our results show good agreement between the vector and the axial vector in the zero mass limit. This shows that overlap fermions have good chiral properties. To attempt to improve the discretisation errors in our results we subtracted the O(a^2) terms in one-loop lattice perturbation theory from the Monte Carlo Green functions. In particular we paid attention to the operators for the observable . We found a value for the renormalisation constants Z^msbar_(v_2b) and Z^msbar_(v_2a) just less than 1.9 at mu=1/a=2.1 GeV.
description: 6 pages, 3 figures, uses PoS style, poster presented at Lattice 2005 (Chiral Fermions), to be published in Proceedings of Science