cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Stochastic Gravitational Wave Backgrounds
Creators: name: Christensen, Nelson
Publisher: name: arXiv
Year: 2018
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: A stochastic background of gravitational waves can be created by the superposition of a large number of independent sources. The physical processes occurring at the earliest moments of the universe certainly created a stochastic background that exists, at some level, today. This is analogous to the cosmic microwave background, which is an electromagnetic record of the early universe. The recent observations of gravitational waves by the Advanced LIGO and Advanced Virgo detectors imply that there is also a stochastic background that has been created by binary black hole and binary neutron star mergers over the history of the universe. Whether the stochastic background is observed directly, or upper limits placed on it in specific frequency bands, important astrophysical and cosmological statements about it can be made. This review will summarize the current state of research of the stochastic background, from the sources of these gravitational waves, to the current methods used to observe them.
Insulator-like behavior coexisting with metallic electronic structure in strained FeSe thin films grown by molecular beam epitaxy
Creators: name: Hanzawa, Kota
name: Yamaguchi, Yuta
name: Obata, Yukiko
name: Matsuishi, Satoru
name: Hiramatsu, Hidenori
name: Kamiya, Toshio
name: Hosono, Hideo
Publisher: name: arXiv
Year: 2019
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: This paper reports that ~10-nm-thick FeSe thin films exhibit insulator-like behavior in terms of the temperature dependence of their electrical resistivity even though bulk FeSe has a metallic electronic structure that has been confirmed by photoemission spectroscopy and first-principles calculations. This apparent contradiction is explained by potential barriers formed in the conduction band. Very thin FeSe epitaxial films with various [Fe]/[Se] were fabricated by molecular beam epitaxy and classified into two groups with respect to lattice strain and electrical properties. Lattice parameter a increased and lattice parameter c decreased with increasing [Fe]/[Se] up to 1.1 and then a levelled off and c began to decrease at higher [Fe]/[Se]. Consequently, the FeSe films had the most strained lattice when [Fe]/[Se] was 1.1, but these films had the best quality with respect to crystallinity and surface flatness. All the FeSe films with [Fe]/[Se] of 0.8-1.9 exhibited insulator-like behavior, but the temperature dependences of their electrical resistivities exhibited different activation energies Ea between the Se-rich and Fe-rich regions; i.e., Ea were small (a few meV) up to [Fe]/[Se]=1.1 but jumped up to ~25 meV at higher [Fe]/[Se]. The film with [Fe]/[Se]=1.1 had the smallest Ea of 1.1 meV and exhibited an insulator-superconducting transition at 35 K with zero resistance under gate bias. The large Ea of the Fe-rich films was attributed to the unusual lattice strain with tensile in-plane and relaxed out-of-plane strains. The large Ea of films with [Fe]/[Se]>1.1 resulted in low mobility with a high potential barrier of ~50 meV in the conduction band for percolation carrier conduction compared with that of the [Fe]/[Se]=1.1 film (~17 meV). Therefore, the Fe-rich films exhibited remarkable insulator-like behavior similar to a semiconductor despite their metallic electronic structure.
Dysteria monostyla
Creators: name: Chatterjee, Tapas
name: Dovgal, Igor
name: Fernandez-Leborans, Gregorio
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Chromista
Ciliophora
Cyrtophoria
Dysteriida
Dysteriidae
Dysteria
Dysteria monostyla

description: Dysteria monostyla (Ehrenberg, 1838)
 Record as epibiont on cnidarians: This species was reported among hydroids from the Departure Bay (Wailes 1943; Mccazuley & Hancock 1971).
 Record as epibiont on other hosts: The species was also reported among algae from the Departure Bay (Wailes 1943; Mccazuley & Hancock 1971).
description: Published as part of Chatterjee, Tapas, Dovgal, Igor & Fernandez-Leborans, Gregorio, 2021, A checklist of ciliates (Ciliophora) inhabiting on cnidarians, pp. 151-178 in Zootaxa 5039 (2) on page 154, DOI: 10.11646/zootaxa.5039.2.1, http://zenodo.org/record/5508963
Tanaka-Tagoshi Parametrization of post-1PN Spin-Free Gravitational Wave Chirps: Equispaced and Cardinal Interpolated Lattices For First Generation Interferometric Antennas
Creators: name: Croce, R. P.
name: Demma, Th.
name: Pierro, V.
name: Pinto, I. M.
Publisher: name: arXiv
Year: 2001
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The spin-free binary-inspiral parameter-space introduced by Tanaka and Tagoshi to construct a uniformly-spaced lattice of templates at (and possibly beyond) $2.5PN$ order is shown to work for all first generation interferometric gravitational wave antennas. This allows to extend the minimum-redundant cardinal interpolation techniques of the correlator bank developed by the Authors to the highest available order PN templates. The total number of 2PN templates to be computed for a minimal match $Γ=0.97$ is reduced by a factor 4, as in the 1PN case.
description: 9 pages, 8 figures, 3 tables, accepted for publication in Phys. Rev. D
Superfast line profiles variability in spectra of OBA stars
Creators: name: Kholtygin, A.F.
name: Moiseeva, A.V.
name: Valeev, A.F.
name: Kostenkov, A.E.
name: Tsiopa, O.A.
name: Yakunin, I.A.
name: Fabrika, S.N.
name: Burlak, M.A.
name: Ikonnikova, N.P.
name: Kurdoyakova, M.S.
name: Ryspaeva, E.B.
Publisher: name: Zenodo
Year: 2021
Subjects: Stars
Spectra
Line profile variations
OBA stars

description: We present new results of our Large Project for revealing the superfast line profile variations (sfLPVs) in spectra of bright OBA stars. The regular variations of the line profiles with periods ranging from a few hours to days in spectra of all massive OBA stars are well known. Recent observations of the A0 supergiant HD 92207 using FORS 2 spectrograph in spectropolarimetric mode mounted on the 8-m VLT telescope showed moderate line profile variations of various lines on a time-scale of minutes. Such short time-scale LPVs were also detected in our spectral time series for HD 93521 (O9.5III), rho Leo (B1Iab), alpha2 CVn (A0VpSiEu), gamma UMi and other stars obtained with the multi-mode focal reducer SCORPIO at the 6-meter telescope (Northern Caucasus, Russia). Both regular LPVs with periods from 1 to 90 minutes and non-regular LPVs with amplitudes of 1-2% of the continuum level were detected. Our spectral observations of rho Leo at the 1.25-m telescopes of Crimean Astronomical Station of the Sternberg Astronomical Institute (Russia) also lets to detection of sfLPVs in spectra of rho Leo. The presence of the short-term spectral variability in massive OBA stars, which are (at least partly) suggested to be the progenitors of Type II supernova, was not studied in the past and can be crucial for the current theoretical understanding of the supernova physics and for modeling the stellar evolution. We plan to increase the number of telescopes used for observations of OBA stars with ultra-high temporal resolution.
Collective Phenonema in the Interaction of Radiation with Matter
Creators: name: Yukalov, V. I.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: The aim of this communication is to present in a concentrated form the main ideas of a method, developed by the author, for treating strongly nonequilibrium collective phenomena typical of the interaction of radiation with matter, as well as to give a survey of several applications of the method. The latter is called the Scale Separation Approach since its basic techniques rely on the possibility of separating different space-time scales in nonequilibrium statistical systems. This approach is rather general and can be applied to diverse physical problems, several of which are discussed here. These problems are: Superradiance of nuclear spins, filamentation in resonant media, semiconfinement of neutral atoms, negative electric current, and collective liberation of light.
description: 1 file, 16 pages, LaTex
Semiclassical eigenstates of four-sublattice antiferromagnets
Creators: name: Henley, Christopher L.
name: Zhang, Nai-Gong
Publisher: name: arXiv
Year: 1998
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: Applying Bohr-Sommerfeld quantization and the topological phase of spin path integrals, one can determine the multiplicities, lattice symmetries, and eigenvalue clustering pattern of the low-lying singlet eigenstates of the triangular and fcc antiferromagnets with 4-sublattice classical ground states. In the triangular case, the clustering pattern agrees with numerical results of Lecheminant et al (Phys. Rev. B 52, 6647 (1995)).
description: 4 pages, 1 figure, 1 table. Clarifications, correction of inconsistent notations, and citation of Bernu et al 1992
Ephelota neglecta Sand 1899
Creators: name: Chatterjee, Tapas
name: Dovgal, Igor
name: Fernandez-Leborans, Gregorio
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Chromista
Ciliophora
Kinetofragminophora
Exogenida
Ephelotidae
Ephelota
Ephelota neglecta

description: Ephelota neglecta Sand, 1899
 Record as epibiont on cnidarians: The species originally described on hydroids from Mediterranean coast of France near Banyuls-sur-Mer (Kahl 1934).
 Remarks: This species has not been reported after its first discovery.
description: Published as part of Chatterjee, Tapas, Dovgal, Igor & Fernandez-Leborans, Gregorio, 2021, A checklist of ciliates (Ciliophora) inhabiting on cnidarians, pp. 151-178 in Zootaxa 5039 (2) on page 158, DOI: 10.11646/zootaxa.5039.2.1, http://zenodo.org/record/5508963
Geometry of Non-expanding Horizons and Their Neighborhoods
Creators: name: Lewandowski, Jerzy
Publisher: name: arXiv
Year: 2001
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: This is a contribution to MG9 session BHT4. Certain geometrically distinguished frame on a non-expanding horizon and in its space-time neighborhood, as well as the Bondi-like coordinates are constructed. The construction provides free degrees of freedom, invariants, and the existence conditions for a Killing vector field. The reported results come from the joint works with Ashtekar and Beetle.
description: BHT4 session of MG9
Strong Coupling Constant with Flavour Thresholds at Four Loops in the MS-bar Scheme
Creators: name: Chetyrkin, K. G.
name: Kniehl, B. A.
name: Steinhauser, M.
Publisher: name: arXiv
Year: 1997
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present in analytic form the matching conditions for the strong coupling constant alpha_s^(n_f)(mu) at the flavour thresholds to three loops in the modified minimal-subtraction scheme. Taking into account the recently calculated coefficient beta_3 of the Callan-Symanzik beta function of quantum chromodynamics, we thus derive a four-loop formula for alpha_s^(n_f)(mu) together with appropriate relationships between the asymptotic scale parameters Lambda^(n_f) for different numbers of flavours n_f.
description: 10 pages (Latex), 3 figures (Postscript)
Discovery of a primordial water reservoir in the envelope of HH211
Creators: name: Dionatos, Odysseas
Publisher: name: arXiv
Year: 2018
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We report on the detection of a rich water reservoir in the protostellar envelope of the Class 0 source HH211. In striking contrast to all other molecules detected with Herschel/PACS, water emission peaks around the central source where both ortho and para forms are detected. The measured ortho-to-para ratio of just 0.65 indicates formation of water-ice at very low temperatures and a non-destructive photo-desorption process around the protostar. While part of the water emission is likely related to collisional excitation, the centralized morphology around the protostar suggests that radiative excitation is also significant, despite the fact that radiation appears to have a very different impact on the water molecules when compared to the terminal outflow shocks. The very low ortho-to-para ratio suggests that water around the protostar originates from primordial envelope material that has never been thermally processed before.
description: 2 pages, 2 figures, Proceedings of the IAU
Ephelota plana Wailes 1925
Creators: name: Chatterjee, Tapas
name: Dovgal, Igor
name: Fernandez-Leborans, Gregorio
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Chromista
Ciliophora
Kinetofragminophora
Exogenida
Ephelotidae
Ephelota
Ephelota plana

description: Ephelota plana Wailes, 1925
 Record as epibiont on cnidarians: It has been reported on hydroids from Strait of Georgia (Wailes 1943; Mccazuley & Hancock 1971).
 Record as epibiont on other hosts: The species was also registered on algae from Strait of Georgia (Wailes 1943; Mccazuley & Hancock 1971). Endo et al. (2017) found E. plana on krill Euphausia pacifica Hansen, 1911 collected in Saanich Inlet, Canada.
 Remarks: The identification of Ephelota plana on copepod Centropages orsinii Giesbrecht, 1889 and other copepods by Purushothaman, J. et al. (2020) is erroneous; probably this species will be Acineta euchaetae Sewell, 1951.
description: Published as part of Chatterjee, Tapas, Dovgal, Igor & Fernandez-Leborans, Gregorio, 2021, A checklist of ciliates (Ciliophora) inhabiting on cnidarians, pp. 151-178 in Zootaxa 5039 (2) on pages 158-159, DOI: 10.11646/zootaxa.5039.2.1, http://zenodo.org/record/5508963
A Robust Unscented Transformation for Uncertain Moments
Creators: name: Kussaba, Hugo T. M.
name: Ishihara, João Y.
name: Menezes, Leonardo R. A. X.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Statistics Theory (math.ST)
subject: Optimization and Control (math.OC)
subject: FOS: Mathematics

description: This paper proposes a robust version of the unscented transform (UT) for one-dimensional random variables. It is assumed that the moments are not exactly known, but are known to lie in intervals. In this scenario, the moment matching equations are reformulated as a system of polynomial equations and inequalities, and it is proposed to use the Chebychev center of the solution set as a robust UT. This method yields a parametrized polynomial optimization problem, which in spite of being NP-Hard, can be relaxed by some algorithms that are proposed in this paper.
description: 26 pages, 3 figures, accepted by Journal of the Franklin Institute
Morphological phase transitions of thin fluid films on chemically structured substrates
Creators: name: Bauer, C.
name: Dietrich, S.
name: Parry, A. O.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Using an interface displacement model derived from a microscopic density functional theory we investigate thin liquidlike wetting layers adsorbed on flat substrates with an embedded chemical heterogeneity forming a stripe. For a wide range of effective interface potentials we find first-order phase transitions as well as continuous changes between lateral interfacial configurations bound to and repelled from the stripe area. We determine phase diagrams and discuss the conditions under which these morphological changes arise.
description: 10 pages, RevTeX, 4 Figures
Figure S3. from Consortia of anti-nematode fungi and bacteria in the rhizosphere of soybean plants attacked by root-knot nematodes
Creators: name: Toju, Hirokazu
name: Tanaka, Yu
Publisher: name: The Royal Society
Year: 2019
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Environmental Science
subject: Ecology

description: Relationship between the number of root/soil samples and that of prokaryote/fungal OTUs. Blue and red curves represent root and soil samples, respectively.
Commensurate-Incommensurate Phase Transitions for Multichain Quantum Spin Models: Exact Results
Creators: name: Zvyagin, A. A.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The behavior in an external magnetic field is studied for a wide class of multichain quantum spin models. It is shown that the magnetic field together with the interchain couplings cause commensurate-incommensurate phase transitions between the gapless phases in the ground state. The conformal limit of these models is studied and it is shown that the low-lying excitations for the incommensurate phases are not independent. A scenario for the transition from one to two space dimensions for the integrable multichain models is proposed. The similarities in the external field behavior for the quantum multichain spin models and a wide class of quantum field theories are discussed. The exponents for the gaps caused by relevant perturbations of the models are calculated.
description: 23 pages, LaTeX, typos corrected
Figure S6. from Consortia of anti-nematode fungi and bacteria in the rhizosphere of soybean plants attacked by root-knot nematodes
Creators: name: Toju, Hirokazu
name: Tanaka, Yu
Publisher: name: The Royal Society
Year: 2019
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Environmental Science
subject: Ecology

description: Relationship between preference index values and false discovery rates in the randomization analysis for screening host-state-specific OTUs.
A 2-Surface Quantization of the Lorentzian Gravity
Creators: name: Bobieński, Marcin
name: Lewandowski, Jerzy
name: Mroczek, Mariusz
Publisher: name: arXiv
Year: 2001
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: This is a contribution to the MG9 session QG1-a. A new quantum representation for the Lorentzian gravity is created from the Pullin vaccum by the operators assigned to 2-complexes. The representation uses the original, spinorial Ashtekar variables, the reality conditions are well posed and Thiemann's Hamiltonian is well defined. The results on the existence of a suitable Hilbert product are partial. They were derived in collaboration with Abhay Ashtekar.
description: QG1-a session of MG9
Prospects of detecting Fast Radio Bursts using Indian Radio Telescopes
Creators: name: Bhattacharyya, Siddhartha
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Fast Radio Bursts (FRBs) are short duration highly energetic dispersed radio pulses. We developed a generic formalism (Bera {\em et al.}, 2016) to estimate the FRB detection rate for any radio telescope with given parameters. By using this model, we estimated the FRB detection rate for two Indian radio telescope; the Ooty Wide Field Array (OWFA) (Bhattacharyya {\em et al.}, 2017) and the upgraded Giant Metrewave Radio Telescope (uGMRT) (Bhattacharyya {\em et al.}, 2018) with three beam forming modes. In this review article, I summarize these two works. We considered the energy spectrum of FRBs as a power law and the energy distribution of FRBs as a Dirac delta function and a Schechter luminosity function. We also considered two scattering models proposed by Bhat {\em et al.} (2004) and Macquart \& Koay (2013) for these work and I consider FRB pulse without scattering as a special case for this review. We found that the future prospects of detecting FRBs by using these two Indian radio telescopes is good. They are capable to detect a significant number of FRBs per day. According to our prediction, we can detect $\sim 10^5-10^8$, $\sim 10^3-10^6$ and $\sim 10^5-10^7$ FRBs per day by using OWFA, commensal systems of GMRT and uGMRT respectively. Even a non detection of the predicted events will be very useful in constraining FRB properties.
description: 7 pages, 2 figures, 1 table
research paper.pdf
Creators: name: Al-Dahiree, Omar
name: Qasim, Mohammad
Publisher: name: figshare
Year: 2021
Subjects: subject: Mechanical Engineering
subject: FOS: Mechanical engineering

description: This paper presents an alternative method to enhance the bending stress for helical gears achieved that by using Asymmetric Involute Teeth Profiles. Theoretically, the bending stress of a symmetric gear tooth is calculated by classical Lewis equation (1892), then this equation is developed by M.Q. Abdullah (2012) to take into account the effect of asymmetry of tooth profiles. In this paper, the bending stress for helical gear teeth with asymmetric profile has been calculated analytically by modifying the M.Q. Abdullah equation. In this paper, analytically this equation has been modified to find the bending stress for helical gear with asymmetric teeth at a specified number of teeth (14 teeth) at any helix angle. Also this value has been verified by using numerical solution based on the finite element method technique that done by the software Autodesk simulation mechanical is package v2014. Where the generation process of helical gear have been modeled by using 3D CAD Graphics Software Autodesk inventor professional 2014. The results of this work indicate to the most important conclusion of a helical gear drive with asymmetric teeth profiles having loaded side pressure angle of (14.5 deg.) and unloaded side pressure angle of (25 deg.) is better than a helical gear drive with symmetric teeth profiles having standard pressure angles of (20 deg.) from the point of view of tooth bending strength. There are significant enhancement in the results of maximum tooth bending stress for asymmetric involute of tooth gear compared with the standard gear. In addition, the results demonstrate optimum helix angle is (22.5 deg.) which has the highest enhancement percentage.
Enhancement of Bending Strength of Helical Gears by Using Asymmetric Involute Teeth Profiles
Creators: name: Al-Dahiree, Omar
name: Qasim, Mohammad
Publisher: name: figshare
Year: 2021
Subjects: subject: Mechanical Engineering
subject: FOS: Mechanical engineering

description: This paper presents an alternative method to enhance the bending stress for helical gears achieved that by using Asymmetric Involute Teeth Profiles. Theoretically, the bending stress of a symmetric gear tooth is calculated by classical Lewis equation (1892), then this equation is developed by M.Q. Abdullah (2012) to take into account the effect of asymmetry of tooth profiles. In this paper, the bending stress for helical gear teeth with asymmetric profile has been calculated analytically by modifying the M.Q. Abdullah equation. In this paper, analytically this equation has been modified to find the bending stress for helical gear with asymmetric teeth at a specified number of teeth (14 teeth) at any helix angle. Also this value has been verified by using numerical solution based on the finite element method technique that done by the software Autodesk simulation mechanical is package v2014. Where the generation process of helical gear have been modeled by using 3D CAD Graphics Software Autodesk inventor professional 2014. The results of this work indicate to the most important conclusion of a helical gear drive with asymmetric teeth profiles having loaded side pressure angle of (14.5 deg.) and unloaded side pressure angle of (25 deg.) is better than a helical gear drive with symmetric teeth profiles having standard pressure angles of (20 deg.) from the point of view of tooth bending strength. There are significant enhancement in the results of maximum tooth bending stress for asymmetric involute of tooth gear compared with the standard gear. In addition, the results demonstrate optimum helix angle is (22.5 deg.) which has the highest enhancement percentage.
Dispersive shock waves in partially ionised plasmas
Creators: name: Ballai, I.
name: Forgacs-Dajka, E.
name: Marcu, A.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Compressional waves propagating in the partially ionised solar lower atmospheric plasmas can easily steepen into nonlinear waves, including shocks. Here we investigate the effect of weak dispersion generated by Hall currents perpendicular to the ambient magnetic field on the characteristics of shock waves. Our study will also focus on the interplay between weak dispersion and partial ionisation of the plasma. Using a multiple scale technique we derive the governing equation in the form of a Korteweg-de Vries-Burgers equation. The effect of weak dispersion on shock waves is obtained using a perturbation technique. The secular behaviour of second order terms is addressed with the help of a renormalisation technique. Our results show that dispersion modifies the characteristics of shock waves and this change is dependent also on the ionisation degree of the plasma. Dispersion can create short lived oscillations in the shocked plasma. The shock fronts become wider with the increase in the number of neutrals in the plasma.
description: 5 figures. arXiv admin note: text overlap with arXiv:1707.07975 by other authors
Charge-Stripe Ordering From Local Octahedral Tilts: Underdoped and Superconducting La2-xSrxCuO4 (0 < x < 0.30)
Creators: name: Bozin, E. S.
name: Billinge, S. J. L.
name: Kwei, G. H.
name: Takagi, H.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The local structure of La2-xSrxCuO4, for 0 < x < 0.30, has been investigated using the atomic pair distribution function (PDF) analysis of neutron powder diffraction data. The local octahedral tilts are studied to look for evidence of [110] symmetry (i.e., LTT-symmetry) tilts locally, even though the average tilts have [010] symmetry (i.e., LTO-symmetry) in these compounds. We argue that this observation would suggest the presence of local charge-stripe order. We show that the tilts are locally LTO in the undoped phase, in agreement with the average crystal structure. At non-zero doping the PDF data are consistent with the presence of local tilt disorder in the form of a mixture of LTO and LTT local tilt directions and a distribution of local tilt magnitudes. We present topological tilt models which qualitatively explain the origin of tilt disorder in the presence of charge stripes and show that the PDF data are well explained by such a mixture of locally small and large amplitude tilts.
description: 11 two-column pages, 11 figures
The Structure and Dynamics of Sodium Disilicate
Creators: name: Horbach, Jurgen
name: Kob, Walter
Publisher: name: arXiv
Year: 1999
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: We investigate the structure and dynamics of sodium disilicate by means of molecular dynamics computer simulation. We show that the structure is described by a partially destroyed tetrahedral SiO_4 network and a spherical super structure formed by the silicon and sodium atoms. The static structure factor of our simulation is in very good agreement with one from a neutron scattering experiment. For 1008 particles we find strong finite size effects in the dynamics which are due to the missing of modes contributing to the boson peak.
description: 7 pages of Latex, 3 figures
Distinguishing correlation from causation using genome-wide association studies
Creators: name: O'Connor, Luke J.
name: Price, Alkes L.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Methodology (stat.ME)
subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Genome-wide association studies (GWAS) have emerged as a rich source of genetic clues into disease biology, and they have revealed strong genetic correlations among many diseases and traits. Some of these genetic correlations may reflect causal relationships. We developed a method to quantify causal relationships between genetically correlated traits using GWAS summary association statistics. In particular, our method quantifies what part of the genetic component of trait 1 is also causal for trait 2 using mixed fourth moments $E(α_1^2α_1α_2)$ and $E(α_2^2α_1α_2)$ of the bivariate effect size distribution. If trait 1 is causal for trait 2, then SNPs affecting trait 1 (large $α_1^2$) will have correlated effects on trait 2 (large $α_1α_2$), but not vice versa. We validated this approach in extensive simulations. Across 52 traits (average $N=331$k), we identified 30 putative genetically causal relationships, many novel, including an effect of LDL cholesterol on decreased bone mineral density. More broadly, we demonstrate that it is possible to distinguish between genetic correlation and causation using genetic association data.
description: Machine Learning for Health (ML4H) Workshop at NeurIPS 2018 arXiv:1811.07216
Non-Fermi-Liquid Scaling in Ce(Ru_{0.5}Rh_{0.5})_2Si_2
Creators: name: Tabata, Y.
name: Grempel, D. R.
name: Ocio, M.
name: Taniguchi, T.
name: Miyako, Y.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study the temperature and field dependence of the magnetic and transport properties of the non-Fermi-liquid compound Ce(Ru_{1-x}Rh_x)_2Si_2 at x=0.5. For fields $\lesssim $0.1T the experimental results show signatures of the presence of Kondo-disorder, expected to be large at this concentration. For larger fields, however, magnetic and transport properties are controlled by the coupling of the conduction electrons to critical spin-fluctuations. The temperature dependence of the susceptibility as well as the scaling properties of the magnetoresistance are in very good agreement with the predictions of recent dynamical mean-field theories of Kondo alloys close to a spin-glass quantum critical point.
description: 4 pages, 4 figures. Improved discussion. To appear in Phys. Rev. Lett
Rotational Instabilities and Centrifugal Hangup
Creators: name: New, Kimberly C. B.
name: Centrella, Joan M.
Publisher: name: arXiv
Year: 2001
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: One interesting class of gravitational radiation sources includes rapidly rotating astrophysical objects that encounter dynamical instabilities. We have carried out a set of simulations of rotationally induced instabilities in differentially rotating polytropes. An $n$=1.5 polytrope with the Maclaurin rotation law will encounter the $m$=2 bar instability at $T/|W| \gtrsim 0.27$. Our results indicate that the remnant of this instability is a persistent bar-like structure that emits a long-lived gravitational radiation signal. Furthermore, dynamical instability is shown to occur in $n$=3.33 polytropes with the $j$-constant rotation law at $T/|W| \gtrsim 0.14$. In this case, the dominant mode of instability is $m$=1. Such instability may allow a centrifugally-hung core to begin collapsing to neutron star densities on a dynamical timescale. If it occurs in a supermassive star, it may produce gravitational radiation detectable by LISA.
description: 13 pages (includes 11 figures) and 1 separate jpeg figure; to appear in Astrophysical Sources of Gravitational Radiation, AIP conference proceedings, edited by Joan M. Centrella
Figure S5. from Consortia of anti-nematode fungi and bacteria in the rhizosphere of soybean plants attacked by root-knot nematodes
Creators: name: Toju, Hirokazu
name: Tanaka, Yu
Publisher: name: The Royal Society
Year: 2019
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Environmental Science
subject: Ecology

description: Spatial autocorrelation of prokaryote/fungal community structure. A positive value indicated by filled squares represents statistically significant spatial autocorrelation at the spatial distance class ( = 0.05). Results for sampling sets 1 and 2 are shown separately.
title: American strategy to fight the Islamic State
Creators: name: Fronczak, Ewa
Publisher: name: Wiedza Obronna
Year: 2018

description: The Islamic State is an insurgent and terrorist group that till the middle of 2017 controlled large areas of Iraq and Syria, where it proclaimed a new Islamic caliphate. The U.S.-led global coalition to combat ISIS was created in 2014 with its military component called Operation Inherent Resolve. Through the last years, the Obama and Trump administration officials implemented some changes in strategy and tactics that have significantly reduced the area controlled by the group and made it operate in the underground or leave the region. The following paper addresses the main pillars of the Global Coalition, Operation Inherent Resolve and the U.S. strategy under both presidents. Moreover, it discusses the reasons of changing the strategy from the attrition one to that of annihilation. Finally, it gives a theoretical background concerning the theories of asymmetric warfare, war strategy and land operations.
Bounds on the bipartite entanglement entropy for oscillator systems with or without disorder
Creators: name: Beaud, Vincent
name: Sieber, Julian
name: Warzel, Simone
Publisher: name: arXiv
Year: 2018
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 82B44

description: We give a direct alternative proof of an area law for the entanglement entropy of the ground state of disordered oscillator systems---a result due to Nachtergaele, Sims and Stolz. Instead of studying the logarithmic negativity, we invoke the explicit formula for the entanglement entropy of Gaussian states to derive the upper bound. We also contrast this area law in the disordered case with divergent lower bounds on the entanglement entropy of the ground state of one-dimensional ordered oscillator chains.
description: 19 pages
Finite temperature transport at the superconductor-insulator transition in disordered systems
Creators: name: Herbut, Igor F.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: I argue that the incoherent, zero-frequency limit of the universal crossover function in the temperature-dependent conductivity at the superconductor-insulator transition in disordered systems may be understood as an analytic function of dimensionality of system d, with a simple pole at d=1. Combining the exact result for the crossover function in d=1 with the recursion relations in d=1+ε, the leading term in the Laurent series in the small parameter εfor this quantity is computed for the systems of disordered bosons with short-range and Coulomb interactions. The universal, low-temperature, dc critical conductivity for the dirty boson system with Coulomb interaction in d=2 is estimated to be 0.69 (2e)^2 /h, in relatively good agreement with many experiments on thin films. The next order correction is likely to somewhat increase the result, possibly bringing it closer to the self-dual value.
description: 9 pages, LaTex, no figures
Next-to-next-to-leading order QCD analysis of the revised CCFR data for xF_3 structure function and the higher twist contributions
Creators: name: Kataev, A. L.
name: Kotikov, A. V.
name: Parente, G.
name: Sidorov, A. V.
Publisher: name: arXiv
Year: 1997
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present the results of the next-to-next-to-leading order QCD analysis of the recently revised experimental data of the CCFR collaboration for the $xF_3$ structure function using the Jacobi polynomial expansion method. The effects of the higher twist contributions are included into the fits following the infrared renormalon motivated model. The special attention is paid to the checks of the predictive abilities of the infrared renormalon model and to the independent extraction of the $x$-shape of the twist-4 contributions to the $xF_3$ structure function in the process of the leading order, next-to-leading order and next-to-next-to-leading order fits of the revised CCFR data. We stress that at the next-to-next-to-leading order the results for $α_s(M_Z)$ turn out to be almost nonsensitive to the higher-twist terms. We obtain the following result $α_s(M_Z)^{NNLO}=0.117 \pm 0.002(stat) \pm 0.005 (syst)\pm 0.003 (theory)$. The comparison of the outcomes of our next-to-leading order and next-to-next-to-leading order analysis indicate that the theoretical QCD uncertainties were underestimated in the process of the next-to-leading order determination of $α_s(M_Z)$, made recently by the CCFR collaboration itself.
description: LateX file, 12 pages, 3 ps figures; Presented in part at QCD Session of Recontres des Moriond-97 (March, 1997); submitted for publication
Multiple Hypothesis Tracking Algorithm for Multi-Target Multi-Camera Tracking with Disjoint Views
Creators: name: Yoon, Kwangjin
name: Song, Young-min
name: Jeon, Moongu
Publisher: name: arXiv
Year: 2019
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: In this study, a multiple hypothesis tracking (MHT) algorithm for multi-target multi-camera tracking (MCT) with disjoint views is proposed. Our method forms track-hypothesis trees, and each branch of them represents a multi-camera track of a target that may move within a camera as well as move across cameras. Furthermore, multi-target tracking within a camera is performed simultaneously with the tree formation by manipulating a status of each track hypothesis. Each status represents three different stages of a multi-camera track: tracking, searching, and end-of-track. The tracking status means targets are tracked by a single camera tracker. In the searching status, the disappeared targets are examined if they reappear in other cameras. The end-of-track status does the target exited the camera network due to its lengthy invisibility. These three status assists MHT to form the track-hypothesis trees for multi-camera tracking. Furthermore, they present a gating technique for eliminating of unlikely observation-to-track association. In the experiments, they evaluate the proposed method using two datasets, DukeMTMC and NLPR-MCT, which demonstrates that the proposed method outperforms the state-of-the-art method in terms of improvement of the accuracy. In addition, they show that the proposed method can operate in real-time and online.
description: published in IET image processing, 2018
Rhabdophrya truncata
Creators: name: Chatterjee, Tapas
name: Dovgal, Igor
name: Fernandez-Leborans, Gregorio
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Chromista
Ciliophora
Kinetofragminophora
Suctorida
Rhabdophryidae
Rhabdophrya
Rhabdophrya truncata

description: Rhabdophrya truncata (Dons,1915)
 Record as epibiont on cnidarians: This species was reported as epibiont on hydroids from Norwegian coast near Tromsø (Kahl 1934).
 Record as epibiont on other hosts: The species was also found in the same locality on brown and red algae (Kahl 1934).
description: Published as part of Chatterjee, Tapas, Dovgal, Igor & Fernandez-Leborans, Gregorio, 2021, A checklist of ciliates (Ciliophora) inhabiting on cnidarians, pp. 151-178 in Zootaxa 5039 (2) on page 161, DOI: 10.11646/zootaxa.5039.2.1, http://zenodo.org/record/5508963
Quantum dots in magnetic fields: Phase diagram and broken symmetry of the Chamon-Wen edge
Creators: name: Reimann, S. M.
name: Koskinen, M.
name: Manninen, M.
name: Mottelson, B. R.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Quantum dots in magnetic fields are studied within the current spin density functional formalism avoiding any spatial symmetry restrictions of the solutions. We find that the maximum density droplet reconstructs into states with broken internal symmetry: The Chamon-Wen edge co-exists with a modulation of the charge density along the edge. The phase boundaries between the polarization transition, the maximum density droplet and its reconstruction are in agreement with recent experimental results.
description: 4 pages, 4 figures included in the text
Additional file 1 of Reciprocal natural hybridization between Lycoris aurea and Lycoris radiata (Amaryllidaceae) identified by morphological, karyotypic and chloroplast genomic data
Creators: name: Quan, Miaohua
name: Jiang, Xianghui
name: Xiao, Longqian
name: Li, Jianglin
name: Liang, Juan
name: Liu, Guanghua
Publisher: name: figshare
Year: 2024
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 1: Supplementary Table S1. Measurements of somatic chromosomes of L. radiata. Supplementary Table S2. Measurements of somatic chromosomes of L. aurea. Supplementary Table S3. Measurements of somatic chromosomes of natural hybrid 1. Supplementary Table S4. Measurements of somatic chromosomes of natural hybrid 2. Supplementary Table S5. The chloroplast genome SSR loci distributions of four samples in Lycoris.
Figure S1. from Consortia of anti-nematode fungi and bacteria in the rhizosphere of soybean plants attacked by root-knot nematodes
Creators: name: Toju, Hirokazu
name: Tanaka, Yu
Publisher: name: The Royal Society
Year: 2019
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Environmental Science
subject: Ecology

description: Map of the soybean field. Terminal roots and rhizosphere soil of the soybean strain “Sachiyutaka” were sampled from the two lines indicated in the map.
Probing the basins of attraction of a recurrent neural network
Creators: name: Heerema, M.
name: van Leeuwen, W. A.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Quantitative Biology (q-bio)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: A recurrent neural network is considered that can retrieve a collection of patterns, as well as slightly perturbed versions of this `pure' set of patterns via fixed points of its dynamics. By replacing the set of dynamical constraints, i.e., the fixed point equations, by an extended collection of fixed-point-like equations, analytical expressions are found for the weights w_ij(b) of the net, which depend on a certain parameter b. This so-called basin parameter b is such that for b=0 there are, a priori, no perturbed patterns to be recognized by the net. It is shown by a numerical study, via probing sets, that a net constructed to recognize perturbed patterns, i.e., with values of the connections w_ij(b) with b unequal zero, possesses larger basins of attraction than a net made with the help of a pure set of patterns, i.e., with connections w_ij(b=0). The mathematical results obtained can, in principle, be realized by an actual, biological neural net.
description: 17 pages, LaTeX, 2 figures
Figure S2. from Consortia of anti-nematode fungi and bacteria in the rhizosphere of soybean plants attacked by root-knot nematodes
Creators: name: Toju, Hirokazu
name: Tanaka, Yu
Publisher: name: The Royal Society
Year: 2019
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Environmental Science
subject: Ecology

description: Relationship between the number of sequencing reads and that of OTUs.
Acineta annulata Wang & Nie Da Shu 1932
Creators: name: Chatterjee, Tapas
name: Dovgal, Igor
name: Fernandez-Leborans, Gregorio
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Chromista
Ciliophora
Kinetofragminophora
Suctorida
Acinetidae
Acineta
Acineta annulata

description: Acineta annulata Wang &Nie Da Shu, 1932
 Record as epibiont on cnidarians: This species was found as epibiont on hydrozoans from coast of Xiamen (Amoy) Island, China (Kahl 1934).
 Record as epibiont on other hosts: The species was also found on algae from the above mentioned locality (Kahl 1934).
description: Published as part of Chatterjee, Tapas, Dovgal, Igor & Fernandez-Leborans, Gregorio, 2021, A checklist of ciliates (Ciliophora) inhabiting on cnidarians, pp. 151-178 in Zootaxa 5039 (2) on page 162, DOI: 10.11646/zootaxa.5039.2.1, http://zenodo.org/record/5508963
Some results on the integrability of Einstein's field equations for axistationary perfect fluids
Creators: name: Bradley, M.
name: Fodor, G.
name: Marklund, M.
name: Perjes, Z.
Publisher: name: arXiv
Year: 2001
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Using an orthonormal Lorentz frame approach to axistationary perfect fluid spacetimes, we have formulated the necessary and sufficient equations as a first order system, and investigated the integrability conditions of this set of equations. The integrability conditions are helpful tools when it comes to check the consequences and/or compatibility of certain simplifying assumptions, e.g. Petrov types. Furthermore, using this method, a relation between the fluid shear and vorticity is found for barotropic fluids. We collect some results concerning Petrov types, and it is found that an incompressible axistationary perfect fluid must be of Petrov type I.
description: 2 pages, contribution to the 9th Marcel Grossmann meeting (MG9), Rome, July 2000
Upper critical field in layered superconductors
Creators: name: Mineev, V. P.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The theoretical statements about a restoration of a superconductivity at magnetic fields higher than the quasiclassical upper critical field and a reentrance of superconductivity at temperatures $T_c(H)\approx T_c(0)$ in the superconductors with open Fermi surfaces are reinvestigated taking into account a scattering of quasiparticles on the impurities. The system of integral equations for determination of the upper critical field parallel to the conducting planes in a layered conventional and unconventional superconductors with impurities are derived. The $H_{c2}(T)$ values for the "clean" case in the Ginzburg-Landau regime and at any temperature in the "dirty" case are found analytically. The upper limit of the superconductor purity when the upper critical field definately has a finite value is established.
description: 10 pages
Exact Solutions to Two-Component Many-Body Systems in One Dimension
Creators: name: Ren, Tianhao
name: Aleiner, Igor
Publisher: name: arXiv
Year: 2018
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We introduce a new type of models for two-component systems in one dimension subject to exact solutions by Bethe ansatz, where the interspecies interactions are tunable via Feshbach resonant interactions. The applicability of Bethe ansatz is obtained by fine-tuning the resonant energies, and the resulting systems can be described by introducing intraspecies repulsive and interspecies attractive couplings $c_1$ and $c_2$. This kind of systems admits two types of interesting solutions: In the regime with $c_1>c_2$, the ground state is a Fermi sea of two-strings, where the Fermi momentum $Q$ is constrained to be smaller than a certain value $Q^*$, and it provides an ideal scenario to realize BCS-BEC crossover (from weakly attractive atoms to weakly repulsive molecules) in one dimension; In the opposite regime with $c_1
description: 19 pages, 13 figures