cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Non-Gaussian Normal Diffusion in a Fluctuating Corrugated Channel
Creators: name: Li, Yunyun
name: Marchesoni, Fabio
name: Debnath, Debajyoti
name: Ghosh, Pulak K.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: A Brownian particle floating in a narrow corrugated (sinusoidal) channel with fluctuating cross section exhibits non-Gaussian normal diffusion. Its displacements are distributed according to a Gaussian law for very short and asymptotically large observation times, whereas a robust exponential distribution emerges for intermediate observation times of the order of the channel fluctuation correlation time. For intermediate to large observation times the particle undergoes normal diffusion with one and the same effective diffusion constant. These results are analytically interpreted without having recourse to heuristic assumptions. Such a simple model thus reproduces recent experimental and numerical observations obtained by investigating complex biophysical systems.
Stress-controlled frequency tuning and parametric amplification of the vibrations of coupled nanomembranes
Creators: name: Naserbakht, Sepideh
name: Naesby, Andreas
name: Dantan, Aurélien
Publisher: name: arXiv
Year: 2019
Subjects: subject: Applied Physics (physics.app-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Noninvasive tuning of the mechanical resonance frequencies of suspended parallel nanomembranes in various monolithic arrays is achieved by piezoelectric control of their tensile stress. Parametric amplification of their thermal fluctuations is shown to be enhanced by the piezoelectric actuation and amplification factors of up to 20 dB in the sub-parametric oscillation threshold regime are observed.
Shear Thinning of a Critical Viscoelastic Fluid
Creators: name: Das, Palash
name: Bhattacharjee, Jayanta K.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The frequency and shear dependent critical viscosity at a correlation length $ξ=κ^{-1}$, has the form $η=η_{0}κ^{-x_η}G(z_{1},z_{2})$, where $z_{1}$ and $z_{2}$ are the independent dimensionless numbers in the problem defined as $z_{1}=\frac{-iω}{2Γ_{0}κ^{3}}$ and $z_{2}=\frac{-iω}{2Γ_{0}κ_{c}^{3}}$. The decay rate of critical fluctuations of correlation length $κ^{-1}$ is $Γ_{0}κ^{3}$ and $k_{c}$ is the effective wave number for which $Γ_{0}k_{c}^{3}=S$, the shear rate. The function $G(z_{1},z_{2})$ is calculated in a one loop self-consistent theory.
description: One file in plain latex format and no figure. Submitte to Physical Review E
Additional file 2 of A comparative genome-wide study of ncRNAs in trypanosomatids
Creators: name: Doniger, Tirza
name: Katz, Rodolfo
name: Wachtel, Chaim
name: Michaeli, Shulamit
name: Unger, Ron
Publisher: name: figshare
Year: 2021
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 2:List of missing/mis-annoted ncRNA. List of the additional RNA genes that have been reported previously in the literature, but have not yet been incorporated or are misannotated in the GeneDB genome annotation. (DOC 84 KB)
Early Universe Sources for Cosmic Microwave Background Non-Gaussianity
Creators: name: Gangui, Alejandro
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In the framework of inflationary models with non-vacuum initial states for cosmological perturbations, we study non-Gaussian signatures on the cosmic microwave background radiation produced by a broken-scale-invariant model which incorporates a feature at a privileged scale in the primordial power spectrum.
description: Contribution to the "Fifth Alexander Friedmann International Seminar on Gravitation and Cosmology", Joao Pessoa, Brazil, 2002
GEMS Imaging of Red Sequence Galaxies at z~0.7: Dusty or Old?
Creators: name: Bell, Eric F.
name: McIntosh, Daniel H.
name: Barden, Marco
name: Wolf, Christian
name: Caldwell, John A. R.
name: Rix, Hans-Walter
name: Beckwith, Steven V. W.
name: Borch, Andrea
name: Haeussler, Boris
name: Jahnke, Knud
name: Joggee, Shardha
name: Meisenheimer, Klaus
name: Peng, Chien Y.
name: Sanchez, Sebastian F.
name: Somerville, Rachel
name: Wisotzki, Lutz
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have used the 30'x30' Hubble Space Telescope image mosaic from the Galaxy Evolution from Morphology and SEDs (GEMS) project in conjunction with the COMBO-17 deep photometric redshift survey to define a sample of nearly 1500 galaxies with 0.65 < z < 0.75. With this sample, we can study the distribution of rest-frame V-band morphologies more than 6 Gyr ago, without differential bandpass shifting and surface brightness dimming across this narrow redshift slice. Focusing on red-sequence galaxies at z ~ 0.7, we find that 85% of their combined rest-frame V-band luminosity density comes from visually-classified E/S0/Sa galaxies (at V-band magnitudes brighter than -19.5). Similar results are obtained if automated classifiers are used. This fraction is identical to that found at the present day, and is biased by less than 10% by large scale structure and the morphology-density relation. Under the assumption that peculiar and edge-on disk galaxies are red by virtue of their dust content, we find that less than 13% of the total rest-frame V-band luminosity of the z ~ 0.7 red galaxy population is from dusty galaxies.
description: ApJL, in press. For a version of this paper with a full-resolution figure visit http://www.mpia-hd.mpg.de/homes/bell/res.html The GEMS collaboration website is http://www.mpia-hd.mpg.de/GEMS/gems.htm Added discussion of the implications of our results for hierarchical and monolithic formation scenarios for early-type galaxies
Sample-Efficient Reinforcement Learning with Applications in Nuclear Fusion
Creators: name: Mehta, Viraj
Publisher: name: Carnegie Mellon University
Year: 2024
Subjects: Applied Computer Science

description:  In many practical applications of reinforcement learning (RL), it is expensive to observe state transitions from the environment. In the problem of plasma control for nuclear fusion, the motivating example of this thesis, determining the next state for a given state-action pair requires querying an expensive transition function which can lead to many hours of computer simulation or dollars of scientific research. Such expensive data collection prohibits application of standard RL algorithms which usually require a large number of observations to learn. In this thesis, I address the problem of efficiently learning a policy from a relatively modest number of observations, motivated by the application of automated decision making and control to nuclear fusion. The first section presents four approaches developed to evaluate the prospective value of data in learning a good policy and discusses their performance, guarantees, and application. These approaches address the problem through the lenses of information theory, decision theory, the optimistic value gap, and learning from comparative feedback. We apply this last method to reinforcement learning from human feedback for the alignment of large language models. The second presents work which uses physical prior knowledge about the dynamics to more quickly learn an accurate model. Finally, I give an introduction to the problem setting of nuclear fusion, present recent work optimizing the design of plasma current rampdowns at the DIII-Dtokamak, and discuss future applications of AI in fusion
Ranking of States and Commodities by Cash Receipts, 1992
Creators: name: Strickland, Roger P.
name: Steele, Cheryl J.
name: Williams, Robert P.
name: Strickland, Roger P.
name: Steele, Cheryl J.
name: Williams, Robert P.
Publisher: name: Unknown
Year: 1993
Subjects: subject: Agricultural Finance
subject: Financial Economics
subject: Research Methods/ Statistical Methods
subject: State rankings
subject: government payments
subject: Cash receipts

description: This publication presents two types of ranking information derived from the U.S. Department of Agriculture's cash receipts statistics for the marketing of agricultural commodities within States. One type is the 25 leading commodities for each State and the Nation, ranked according to the estimated value of receipts. The second is the ranking of States by receipts from each of the 25 leading U.S. commodities and by several major commodity groups. The ranking of commodities produced in a State indicates a State's production environment, physical and economic. The ranking of States for a commodity provides information about the location of production and the commodity's relative and regional importance.
Sparse Polynomial Chaos expansions using Variational Relevance Vector Machines
Creators: name: Tsilifis, Panagiotis
name: Papaioannou, Iason
name: Straub, Daniel
name: Nobile, Fabio
Publisher: name: arXiv
Year: 2019
Subjects: subject: Machine Learning (stat.ML)
subject: Machine Learning (cs.LG)
subject: Computation (stat.CO)
subject: FOS: Computer and information sciences

description: The challenges for non-intrusive methods for Polynomial Chaos modeling lie in the computational efficiency and accuracy under a limited number of model simulations. These challenges can be addressed by enforcing sparsity in the series representation through retaining only the most important basis terms. In this work, we present a novel sparse Bayesian learning technique for obtaining sparse Polynomial Chaos expansions which is based on a Relevance Vector Machine model and is trained using Variational Inference. The methodology shows great potential in high-dimensional data-driven settings using relatively few data points and achieves user-controlled sparse levels that are comparable to other methods such as compressive sensing. The proposed approach is illustrated on two numerical examples, a synthetic response function that is explored for validation purposes and a low-carbon steel plate with random Young's modulus and random loading, which is modeled by stochastic finite element with 38 input random variables.
description: Submitted to Journal of Computational Physics
Theoretical Issues in $b$ Physics
Creators: name: Rosner, Jonathan L.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Examples are given of some current questions in $b$ physics to which LHC experiments may provide answers. These include (i) the precise determination of parameters of the Cabibbo-Kobayashi-Maskawa (CKM) matrix; (ii) measurements of CKM phases using B decays to CP eigenstates; (iii) the search for direct CP asymmetries in B decays; (iv) rare radiative B decays; (v) the study of $B_s$ properties and decays, (vi) excited states of $B$ and $B_s$ mesons, and (vii) the search for heavier quarks which could mix with the $b$ quark.
description: 18 pages, LaTeX, 4 figures, invited talk presented at LHC 2003 Symposium, Fermilab, May 1-3, 2003. Proceedings to be published by Springer-Verlag. Two figures and one CP asymmetry updated; more direct use made of CP asymmetry information in B -> K pi decays
Soybeans: State-Level Produciton Costs, Characteristics, and Input Use, 1990
Creators: name: Ali, Mir B.
name: McBride, William D.
name: Ali, Mir B.
name: McBride, William D.
Publisher: name: Unknown
Year: 1994
Subjects: subject: Agricultural Finance
subject: Crop Production/Industries
subject: Financial Economics
subject: Research Methods/ Statistical Methods
subject: Costs of production
subject: State-level
subject: soybeans
subject: enterprise accounts
subject: budgets
subject: returns
subject: production inputs
subject: farm characteristics

description: This report presents State-level soybean production cost and return estimates for the 1990 production year, along with coefficients of variation for each cost item. Per-acre costs are highly variable among States due to differences in production practices, inputs, and type and size of machines used in soybean production. Total per-acre economic costs varied from $151 in Mississippi to $258 in Nebraska. Soybean yields varied significantly, from about 10 bushels in Georgia to 43 bushels per planted acre in Indiana. Methods used to develop the State-level production costs and returns for 1990 are the same as those used to develop regional and U.S. weighted averages published in the Economic Indicators of the Farm Sector: Costs of Production, 1991--Major Field Crops & Livestock and Dairy. State-level estimates should be used for general discussion only, because statistical reliability diminlshes for estimates below the regional and U.S. level due to sample size. Coefficients of variation included in this report are an indicator of the statistical reliability of each estimate.
U.S. Fresh Fruit Expport and Consumption Estimates, 1978-92
Creators: name: Bertelsen, Diane
name: Bertelsen, Diane
Publisher: name: Unknown
Year: 1994
Subjects: Crop Production/Industries
Food Consumption/Nutrition/Food Safety
Research Methods/ Statistical Methods

description: During 1978-89, the United States exported more fresh fruit than had been reported by the Bureau of the Census. Import data made available by Statistics Canada revealed that some shipments of fresh fruit from the United States to Canada had not been counted by the Bureau. Using the Canadian data raised total U.S. fruit exports and lowered consumption. The author determined that U.S. consumption of citrus fruits was 5 percent lower and consumption of noncitrus fruits was 1 percent lower than previously estimated. Since 1990, the Bureau of the Census has used Canadian import data as a measure of U.S. exports to Canada. This bulletin reports the revised U.S. exports and per capita consumption for 13 fl"esh fruits: grapefruit, lemons, limes, oranges, tangerines, apples, avocados, sweet cherries, grapes, peaches and nectarines, pears, prunes and plums, and strawberries. The report also includes 40-year trends for fresh fruit consumption.
Additional file 3 of A comparative genome-wide study of ncRNAs in trypanosomatids
Creators: name: Doniger, Tirza
name: Katz, Rodolfo
name: Wachtel, Chaim
name: Michaeli, Shulamit
name: Unger, Ron
Publisher: name: figshare
Year: 2021
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 3:Complete list of candidate ncRNA. The complete list of all the sequences of the 72 ncRNA candidates conserved in four of the six genomes. The first 29 were conserved in all of the six genomes. (DOC 163 KB)
Transverse Parton Distribution and Fragmentation Functions at NNLO: the Quark Case
Creators: name: Luo, Ming-Xing
name: Wang, Xing
name: Xu, Xiaofeng
name: Yang, Li Lin
name: Yang, Tong-Zhi
name: Zhu, Hua Xing
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We revisit the calculation of perturbative quark transverse momentum dependent parton distribution functions and fragmentation functions using the exponential regulator for rapidity divergences. We show that the exponential regulator provides a consistent framework for the calculation of various ingredients in transverse momentum dependent factorization. Compared to existing regulators in the literature, the exponential regulator has a couple of advantages which we explain in detail. As a result, the calculation is greatly simplified and we are able to obtain the next-to-next-to-leading order results up to $\mathcal{O}(ε^2)$ in dimensional regularization. These terms are necessary for a higher order calculation which is made possible with the simplification brought by the new regulator. As a by-product, we have obtained the two-loop quark jet function for the Energy-Energy Correlator in the back-to-back limit, which is the last missing ingredient for its N$^3$LL resummation.
The Radio Structure of High-Energy Peaked BL Lacertae Objects
Creators: name: Rector, T. A.
name: Gabuzda, D. C.
name: Stocke, J. T.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present VLA and first-epoch VLBA observations that are part of a program to study the parsec-scale radio structure of a sample of fifteen high-energy-peaked BL Lacs (HBLs). The sample was chosen to span the range of logarithmic X-ray to radio flux ratios observed in HBLs. As this is only the first epoch of observations, proper motions of jet components are not yet available; thus we consider only the structure and alignment of the parsec- and kiloparsec-scale jets. Like most low-energy-peaked BL Lacs (LBLs), our HBL sample shows parsec-scale, core-jet morphologies and compact, complex kiloparsec-scale morphologies. Some objects also show evidence for bending of the jet 10-20pc from the core, suggesting interaction of the jet with the surrounding medium. Whereas LBLs show a wide distribution of parsec- to kpc-scale jet misalignment angles, there is weak evidence that the jets in HBLs are more well-aligned, suggesting that HBL jets are either intrinsically straighter or are seen further off-axis than LBL jets.
description: Accepted, AJ
From Heisenberg to Goedel via Chaitin
Creators: name: Calude, C. S.
name: Stay, M. A.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In 1927 Heisenberg discovered that the ``more precisely the position is determined, the less precisely the momentum is known in this instant, and vice versa''. Four years later Gödel showed that a finitely specified, consistent formal system which is large enough to include arithmetic is incomplete. As both results express some kind of impossibility it is natural to ask whether there is any relation between them, and, indeed, this question has been repeatedly asked for a long time. The main interest seems to have been in possible implications of incompleteness to physics. In this note we will take interest in the {\it converse} implication and will offer a positive answer to the question: Does uncertainty imply incompleteness? We will show that algorithmic randomness is equivalent to a ``formal uncertainty principle'' which implies Chaitin's information-theoretic incompleteness. We also show that the derived uncertainty relation, for many computers, is physical. In fact, the formal uncertainty principle applies to {\it all} systems governed by the wave equation, not just quantum waves. This fact supports the conjecture that uncertainty implies randomness not only in mathematics, but also in physics.
description: Small changes
Prompt J/psi production in charged-current deep-inelastic scattering
Creators: name: Kniehl, Bernd A.
name: Zwirner, Lennart
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We calculate the cross section of J/psi inclusive production in lepton-nucleon deep-inelastic scattering via the weak charged current within the factorization formalism of nonrelativistic quantum chromodynamics. The hadronic system produced in association with the J/psi meson can be of light-quark origin or contain charm. We take into account both direct production and feed-down from directly-produced heavier charmonia. We provide the cross sections of all contributing partonic subprocesses in analytic form. We present theoretical predictions for the J/psi transverse-momentum and rapidity distributions, which can be measured in current neutrino-nucleon scattering experiments at CERN and Fermilab, and possibly at the future electron-proton collider THERA at DESY. We find the cross section to be at the edge of observability at DESY HERA.
description: 31 pages, 6 figures
Multielectron interference of intraband harmonics in solids
Creators: name: Lü, Ling-Jie
name: Bian, Xue-Bin
Publisher: name: arXiv
Year: 2019
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: High harmonic generation in solids provides us compact and coherent UV sources. Our simulations illustrate abnormal harmonic yield dependence on the intensity of driving or pre-excitation pulses. A multielectron interference model is proposed to reveal the mechanism of the extreme nonlinear optical phenomena. We find that the $k$-resolved intraband harmonic demonstrates different symmetry, phase, and amplitude, which can be observed by using a resonant pre-excitation pulse. The position of the interference minimum obtained by solving the semiconductor Bloch equations agrees well with that obtained by our $k$-resolved semiclassical model. This interference model can help us probe the $k$-resloved band structure and optimize the ultrafast electron-hole dynamics for solid harmonic processes.
Light speed memory as a local observable for soft hairs
Creators: name: Hajian, Kamal
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: Einstein observers in flat space-time are inertial observers which use light to synchronize their clocks. For such observers, speed of light is a constant by construction. However, one can use super-translations to change coordinates from Einstein to BMS coordinates. From the point of view of BMS observers, speed of light is not a constant all over the space-time and in all directions. So in general, clocks which are synchronized for Einstein observers are not synchronized for BMS observers, and vice versa. Based on this fact, we propose a local observable for detecting the soft hairs, which is the variations in speed of light for such observers. We also investigate the relation of this observable to gravitational memory, which is a permanent change of position of test particles at infinity, after a gravitational wave passes completely from them. It is shown that the BMS time coordinate is the physical time after a gravitational wave, and it is the legitimate time to be used to calculate the light speed. Based on this argument, the analysis predicts a permanent change in the speed of light rays which propagate in asymptotics after a gravitational wave. Moreover, it is explained how this change is related to the gravitational memory by comparing their significance in observations.
description: 7 pages, published version
Influence of gap structures to specific heat in oriented magnetic fields: Application to the orbital dependent superconductor, Sr$_2$RuO$_4$
Creators: name: Kusunose, Hiroaki
Publisher: name: arXiv
Year: 2004
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We discuss influence of modulation of gap function and anisotropy of Fermi velocity to field angle dependences of upper critical field, $H_{c2}$, and specific heat, $C$, on the basis of the approximate analytic solution in the quasiclassical formalism. Using 4-fold modulation of the gap function and the Fermi velocity in the single-band model, we demonstrate field and temperature dependence of oscillatory amplitude of $H_{c2}$ and $C$. We apply the method to the effective two-band model to discuss the gap structure of Sr$_2$RuO$_4$, focusing on recent field angle-resolved experiments. It is shown that the gap structures with the intermediate magnitude of minima in $[100]$ direction for $γ$ band, and tiny minima of gaps in $[110]$ directions for $α$ and $β$ bands give consistent behaviors with experiments. The interplay of the above two gaps also explains the anomalous temperature dependence of in-plane $H_{c2}$ anisotropy, where the opposite contribution from the passive $αβ$ band is pronounced near $T_c$.
description: 7 pages, 11 figures in JPSJ format
An assessment of J/Psi formation in the light of initial RHIC data
Creators: name: Thews, R. L.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Predictions of J/Psi formation at RHIC via "off-diagonal" combinations of charm and anticharm quarks in a region of color deconfinement are confronted with initial data from the PHENIX collaboration. We find that the measured centrality behavior places significant constraints on the various parameters which control model calculations of J/Psi formation. Within present statistical and systematic uncertainties, one can map out a region of parameter space within which the contribution of formation in a deconfined phase is allowed. As these uncertainties decrease and new data from d-Au interactions becomes available, it is expected that definitive tests for the presence of this formation mechanism will be possible. We anticipate that the rapidity and transverse momentum spectra will prove decisive for a final determination.
description: 6 pages, 5 figures, presented at SQM2003, March 12-17, 2003. To be published in J. Phys. G
Different types of star-planet interactions
Creators: name: Vidotto, A. A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Stars and their exoplanets evolve together. Depending on the physical characteristics of these systems, such as age, orbital distance and activity of the host stars, certain types of star-exoplanet interactions can dominate during given phases of the evolution. Identifying observable signatures of such interactions can provide additional avenues for characterising exoplanetary systems. Here, I review some recent works on star-planet interactions and discuss their observability at different wavelengths across the electromagnetic spectrum.
description: 10 pages, to appear in the proceedings of the IAU Symposium 354, Solar and Stellar Magnetic Fields: Origins and Manifestations. Eds: Kosovichev, Strassmeier, Jardine; based on a review talk
Additional file 1 of HLA alleles associated with asparaginase hypersensitivity in Chinese children
Creators: name: Chua, Gilbert T.
name: Rosa Duque, Jaime S.
name: Cheuk, Daniel Ka Leung
name: Leung, Alex Wing Kwan
name: Wong, Wilfred Hing Sang
name: Liu, Anthony Pak Yin
name: Lee, Pamela P. W.
name: Ha, Shau Yin
name: Chiang, Alan Kwok Shing
name: Ho, Marco Hok Kung
name: Chu, Wai Keung
name: Chan, Yuk Sing
name: Luk, Chun Wing
name: Ling, Alvin Siu Cheung
name: Kwan, Mike Yat Wah
name: Yiu, Oscar Kuen Fong
name: Wong, Ian Chi Kei
name: Lau, Yu Lung
name: Li, Chi Kong
name: Leung, Wing Hang
name: Chan, Godfrey Chi Fung
name: Ip, Patrick
name: Kwok, Janette
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: Biotechnology
subject: Immunology
subject: FOS: Clinical medicine
subject: Cancer
subject: Hematology
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Virology
subject: Computational Biology

description: Additional file 1. The Additional File contains the details of the study methodology and results of the enrichment analysis, including data retrieval, HLA typing, identification of HLA alleles enriched and associated with asparaginase hypersensitivity, and statistical analysis.
Broad Halpha wings in Nebulae around Evolved Stars and in Young Planetary Nebulae
Creators: name: Arrieta, A.
name: Torres-Peimbert, S.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Eleven objects that have been reported as proto-planetary nebula or as young planetary nebulae that show very extended Halpha wings are presented. The extension of these wings is larger than 800 km/s. Data for two symbiotic stars that show this same characteristic is also presented. Raman scattering is the mechanism that best explains the wings in 10 of the PNe and in the 2 symbiotic stars. In the PN IRAS 20462+3416 the wing profile can be explained by very intense stellar wind.
description: 15 pages, 1 figure. Accepted for publication in Ap J Suppl
Additional file 9 of A comparative genome-wide study of ncRNAs in trypanosomatids
Creators: name: Doniger, Tirza
name: Katz, Rodolfo
name: Wachtel, Chaim
name: Michaeli, Shulamit
name: Unger, Ron
Publisher: name: figshare
Year: 2021
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 9:GeneDB accession numbers of the new snoRNA molecules that were reported in this study. List of the newly annotated sequences with their GeneDB id. (DOC 24 KB)
Radial Velocity Studies of Close Binary Stars.VIII
Creators: name: Rucinski, S. M.
name: Capobianco, C. C.
name: Lu, W.
name: DeBond, H.
name: Thomson, J. R.
name: Mochnacki, S. W.
name: Blake, R. M.
name: Ogloza, W.
name: Stachowski, G.
name: Rogoziecki, P.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Radial-velocity measurements and sine-curve fits to the orbital velocity variations are presented for the seventh set of ten close binary systems: V410 Aur, V523 Cas, QW Gem, V921 Her, V2357 Oph, V1130 Tau, HN UMa, HX UMa, HD 93917, NSV 223. All systems, but three (V523 Cas, HD 93917, NSV 223), were discovered photometrically by the Hipparcos mission. All systems are double-lined (SB2) binaries and all, but the detached, very close system V1130 Tau, are contact binaries. The broadening-function permitted improvement of the orbital elements for V523 Cas, which was the only system observed before for radial velocity variations. Spectroscopic/visual companions were detected for V410 Aur and HX UMa.
description: AASTeX5, 4 figures, 3 tables, to appear AJ, June 2003
No sign of G2's encounter affecting Sgr A*'s X-ray flaring rate from $Chandra$ observations
Creators: name: Bouffard, Elie
name: Haggard, Daryl
name: Nowak, Michael A.
name: Neilsen, Joseph
name: Markoff, Sera
name: Baganoff, Frederick K.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: An unusual object, G2, had its pericenter passage around Sgr A*, the $4\times10^6$ M$_\odot$ supermassive black hole in the Galactic Centre, in Summer 2014. Several research teams have reported evidence that following G2's pericenter encounter the rate of Sgr A*'s bright X-ray flares increased significantly. Our analysis carefully treats varying flux contamination from a nearby magnetic neutron star and is free from complications induced by using data from multiple X-ray observatories with different spatial resolutions. We test the scenario of an increased bright X-ray flaring rate using a massive dataset from the \textit{Chandra X-ray Observatory}, the only X-ray instrument that can spatially distinguish between Sgr A* and the nearby Galactic Centre magnetar throughout the full extended period encompassing G2's encounter with Sgr A*. We use X-ray data from the 3 Ms observations of the \textit{Chandra} \textit{X-ray Visionary Program} (XVP) in 2012 as well as an additional 1.5 Ms of observations up to 2018. We use detected flares to make distributions of flare properties. Using simulations of X-ray flares accounting for important factors such as the different $Chandra$ instrument modes, we test the null hypothesis on Sgr A*'s bright (or any flare category) X-ray flaring rate around different potential change points. In contrast to previous studies, our results are consistent with the null hypothesis; the same model parameters produce distributions consistent with the observed ones around any plausible change point.
Magneto-optical response of CdSe nanostructures
Creators: name: Chen, Po-Chung
name: Whaley, K. Birgitta
Publisher: name: arXiv
Year: 2003
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We present theoretical calculations of the Landé g-factors of semiconductor nanostructures using a time-dependent empirical tight-binding method. The eigenenergies and eigenfunctions of the band edge states are calculated as a function of an external magnetic field with the electromagnetic field incorporated into the tight-binding Hamiltonian in a gauge-invariant form. The spin-orbit interaction and magnetic field are treated non-perturbatively. The g-factors are extracted from the energy splitting of the eigenstates induced by the applied magnetic field. Both electron and hole g-factors are investigated for CdSe nanostructures. The size and aspect ratio dependence of g-factors is studied. We observe that the electron g-factors are anisotropic and find that the calculated values agree quantitatively with experimental data. We conclude that the two distinct g-factor values extracted from time resolved Faraday rotation experiments should be assigned to the anisotropic in plane ($g_\parallel$) and out of plane ($g_z$) electron g-factors, rather than to isotropic electron and exciton g-factors. We find that the anisotropy in the electron g-factor depends on the aspect ratio of the nanocrystal. The g-factor anisotropy derived from the wurtzite structure and from the non-unity aspect ratio may cancel each other in some regime. We observe that hole g-factors oscillate as a function of size, due to size dependent mixing between the heavy hole-light hole components of the valence band edge states. Extension to the calculation of exciton g-factors is discussed.
description: Submitted to Phys. Rev. B
Quantum Cosmology and the Inflationary Spectra from a Non-Minimally Coupled Inflaton
Creators: name: Kamenshchik, A. Y.
name: Tronconi, A.
name: Venturi, G.
Publisher: name: arXiv
Year: 2019
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We calculate the quantum gravitational corrections to the Mukhanov-Sasaki equation obtained by the canonical quantization of the inflaton-gravity system. Our approach, which is based on the Born-Oppenheimer decomposition of the resulting Wheeler-DeWitt equation, was previously applied to a minimally coupled inflaton. In this article we examine the case of a non minimally coupled inflaton and, in particular, the induced gravity case is also discussed. Finally, the equation governing the quantum evolution of the inflationary perturbations is derived on a de Sitter background. Moreover the problem of the introduction of time is addressed and a generalized method, with respect to that used for the minimal coupling case, is illustrated. Such a generalized method can be applied to the universe wave function when, through the Born-Oppenheimer factorization, we decompose it into a part which contains the minisuperspace degrees of freedom and another which describes the perturbations.
description: 24 pages, no figures
Bluesky and the AT Protocol: Usable Decentralized Social Media
Creators: name: Kleppmann, M
name: Frazee, P
name: Gold, J
name: Graber, J
name: Holmgren, D
name: Ivy, D
name: Johnson, J
name: Newbold, B
name: Volpert, J
Publisher: name: ACM
Year: 2024
Subjects: 36 Creative Arts and Writing
46 Information and Computing Sciences
4608 Human-Centred Computing
3605 Screen and Digital Media

description: Bluesky is a new social network built upon the AT Protocol, a decentralized foundation for public social media. It was launched in private beta in February 2023, and has grown to over 10 million registered users by October 2024. In this paper we introduce the architecture of Bluesky and the AT Protocol, and explain how the technical design of Bluesky is informed by our goals: to enable decentralization by having multiple interoperable providers for every part of the system; to make it easy for users to switch providers; to give users agency over the content they see; and to provide a simple user experience that does not burden users with complexity arising from the system's decentralized nature. The system's openness allows anybody to contribute to content moderation and community management, and we invite the research community to use Bluesky as a dataset and testing ground for new approaches in social media moderation.
Inflation model with lower multipoles of the CMB suppressed
Creators: name: Kawasaki, Masahiro
name: Takahashi, Fuminobu
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The recent observation of the cosmic microwave background anisotropy by the WMAP confirmed that the lower multipoles are considerably suppressed. From the standpoint of the cosmic variance, it is nothing but a statistical accident. Alternatively, one can attribute the deficit of fluctuation on the large scale to the cosmic history, which might be explained in the context of the inflationary physics. In this paper, we show that it is possible to explain the suppressed lower multipoles in the hybrid new inflation model.
description: 4 pages, 1 figure. Some references and 1 figure are added
title: Textual analysis of news and the cross-section of stock returns
Creators: name: Tao, Ran
Publisher: name: University of Reading
Year: 2021

description: This thesis contributes to the growing literature on the textual analysis of news and the cross-section of stock returns throughout three main chapters based on the Dow Jones Newswire Archive. First, I consider in an empirical setting how the presence/absence of news coverage affects lottery-type stocks, measured by the maximum daily returns (MAX) in the prior month. I find an augmented negative relationship between MAX stocks without news and expected returns, whereby MAX with news coverage generates return momentum. The differing future return relationships between MAX stocks with and without news appears to be best explained by information uncertainty mitigation upon news arrival. Overall, this finding suggests that news plays a role in resolving information uncertainty in the stock market. Next, by applying a “co-coverage” concept, I propose to identify each firm’s news-based peers (NBPs) and thereby construct a time-varying firm-centric grouping aiming to augment existing industry classification schemes. The advantage of NBP-augmented schemes over traditional industry classifications is to better capture the up-to-date relative importance of the economic links between a base firm and its peers. I show that the base firm’s share price responds more favourably to the return shocks of its NBPs than of its traditional industry peers that are not NBPs. The response persists for several months, suggesting that the up-to-date relative importance of the economic links is not immediately clear to investors. Additional empirical tests show that the persistent response, referred to as NBP momentum, can partially unify several lead-lag return momentums previously documented and is consistent with the investor attention hypothesis. Taken together, these results suggest that monitoring news co-coverage is a key to understanding the lead-lag return momentums documented in the literature. Finally, I distinguish news coverage as being either slowly or quickly incorporated into contemporaneous stock prices. The return spread between stocks classified according to these two types of news yields a statistically significant profit of 139 basis points per month. This abnormal return cannot be explained by other well-known risk factors and is robust to allow for trading costs. Overall, this research refines the role of news regarding information dissemination in the financial markets.
Chiral phase transition in the linear sigma model within Hartree factorization in the Tsallis nonextensive statistics
Creators: name: Ishihara, Masamichi
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We studied chiral phase transition in the linear sigma model within the Tsallis nonextensive statistics in the case of small deviation from the Boltzmann-Gibbs (BG) statistics. The statistics has two parameters: the temperature $T$ and the entropic parameter $q$. The normalized $q$-expectation value and the physical temperature $\Tph$ were employed in this study. The normalized $q$-expectation value was expanded as a series of the value $(1-q)$, where the absolute value $|1-q|$ is the measure of the deviation from the BG statistics. We applied the Hartree factorization and the free particle approximation, and obtained the equations for the condensate, the sigma mass, and the pion mass. The physical temperature dependences of these quantities were obtained numerically. We found following facts. The condensate at $q$ is smaller than that at $q'$ for $q>q'$. The sigma mass at $q$ is lighter than that at $q'$ for $q>q'$ at low physical temperature, and the sigma mass at $q$ is heavier than that at $q'$ for $q>q'$ at high physical temperature. The pion mass at $q$ is heavier than that at $q'$ for $q>q'$. The difference between the pion masses at different values of $q$ is small for $\Tph \le 200$ MeV. That is to say, the condensate and the sigma mass are affected by the Tsallis nonextensive statistics of small $|1-q|$, and the pion mass is also affected by the statistics of small $|1-q|$ except for $\Tph \le 200$ MeV.
description: 9 pages, 6 figures
Bembidion (Zeperyphodes) Lindroth 1976
Creators: name: Larochelle, André
name: Zeperyphodes
name: Broun
name: Larivière, Marie-Claude
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Carabidae
Bembidion

description: Subgenus Zeperyphodes Lindroth, 1976
Fig. 23–24
 Zeperyphodes Lindroth, 1976: 180.
 Type species. Bembidium callipeplum Bates, 1878a, by monotypy.
 Description. Body length 3.1–4.9 mm; forebody dark, elytra bicolored; elytra with variegated color pattern; legs pale. Microsculpture present, poorly or well developed. Forebody moderately wide in comparison to elytra. Head. Antennae filiform or subfiliform, moderately long, reaching about elytral shoulders. Frontal furrows not prolonged on clypeus. Submentum with six setae. Ligula with two fused setae. Palpi with penultimate labial segment bisetose on anterior margin. Thorax. Pronotum moderately convex, cordate, widest before middle; laterobasal carinae absent; setiferous puncture absent near posterolateral angle; laterobasal foveae poorly developed. Epipleura (in dorsal view) not exposed in front of posterolateral angles. Elytra. Moderately convex, subovate, widest about or before middle. Shoulders moderately rounded. Scutellar striole consisting of a line and punctures. Striae incomplete, punctate; stria 3 with three discal setiferous punctures. Intervals somewhat depressed or slightly convex; interval 5 without discal setiferous punctures. Subapical sinuations feeble. Apical striole present; preapical setiferous puncture not isolated. Sutural apices angulate. Abdomen. Last visible sternum (sternum VII) of female with four long ambulatory setae only. Aedeagus. Internal sac with a brush sclerite. Parameres. One or two terminal setae present.
 Geographic distribution. New Zealand (endemic).
 Ecology. Sandy stream banks.
 References. Lindroth 1976: 180 (description); Larochelle and Larivière 2001: 83 (catalogue); Toledano 2005 (taxonomy); Larochelle and Larivière 2007: 48 (description).
description: Published as part of Larochelle, André, Zeperyphodes, Broun & Larivière, Marie-Claude, 2015, Synopsis of the genus Bembidion Latreille in New Zealand (Coleoptera: Carabidae: Bembidiini), pp. 1-78 in Insecta Mundi 2015 (415) on page 33, DOI: 10.5281/zenodo.5181756
Observation of the Pairing Gap in a Strongly Interacting Fermi Gas
Creators: name: Chin, C.
name: Altmeyer, M. Bartenstein A.
name: Riedl, S.
name: Jochim, S.
name: Denschlag, J. Hecker
name: Grimm, R.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study fermionic pairing in an ultracold two-component gas of $^6$Li atoms by observing an energy gap in the radio-frequency excitation spectra. With control of the two-body interactions via a Feshbach resonance we demonstrate the dependence of the pairing gap on coupling strength, temperature, and Fermi energy. The appearance of an energy gap with moderate evaporative cooling suggests that our full evaporation brings the strongly interacting system deep into a superfluid state.
description: 18 pages, 3 figures
Enhancing parameter estimation precision in dissipative environment with two-photon driving
Creators: name: Xie, Dong
name: Xu, Chunling
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We investigate the frequency estimation of an optical field suffering from an unavoidable dissipative environment. Generally, dissipative noises greatly reduce the precision. Here, we find that two-photon driving can improve the measurement precision by resisting the noises. Moreover, in long time, the uncertainty of frequency can be close to 0 with a proper magnitude of the parametric two-photon drive, which is in sharp contrast to the uncertainty going to infinity without the two-photon driving. Our results show that two-photon driving can realize the ultrasensitive measurement in dissipative environment under the long-encoding-time condition.
description: 9 pages,1 figure
High-Resolution Radio Imaging of Gravitational Lensing Candidates in the 1 Jansky BL Lac Sample
Creators: name: Rector, T. A.
name: Stocke, J. T.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: While BL Lacertae objects are widely believed to be highly beamed, low-luminosity radio galaxies, many radio-selected BL Lacs have extended radio power levels and optical emission lines that are too luminous to be low-luminosity radio galaxies. Also, Stocke & Rector discovered an excess of MgII absorption systems along BL Lac sightlines compared to quasars, suggesting that gravitational lensing may be another means of creating the BL Lac phenomenon in some cases. We present a search for gravitationally-lensed BL Lacs with deep, high-resolution, two-frequency VLA radio maps of seven lensing candidates from the 1 Jansky BL Lac sample. We find that none of these objects are resolved into an Einstein ring like B 0218+357, nor do any show multiple images of the core. All of the lensing candidates that were resolved show a flat-spectrum core and very unusual, steep-spectrum extended morphology that is incompatible with a multiply lensed system. Thus, while these observations do not rule out microlensing, no macrolensing is observed.
description: Accepted, AJ
Magneto-Optical Properties of Bound Excitons in ZnO
Creators: name: Rodina, A. V.
name: Strassburg, M.
name: Dworzak, M.
name: Haboeck, U.
name: Hoffmann, A.
name: Zeuner, A.
name: Alves, H. R.
name: Hofmann, D. M.
name: Meyer, B. K.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We present results of magneto-optical measurements and theoretical analysis of shallow bound exciton complexes in bulk ZnO. Polarization and angular dependencies of magneto-photoluminescence spectra at 5 T suggest that the upper valence band has $Γ_7$ symmetry. Nitrogen doping leads to the formation of an acceptor center that compensates shallow donors. This is confirmed by the observation of excitons bound to ionized donors in nitrogen doped ZnO. The strongest transition in the ZnO:N ($I_9$ transition) is associated with a donor bound exciton. This conclusion is based on its thermalization behavior in temperature-dependent magneto-transmission measurements and is supported by comparison of the thermalization properties of the $I_9$ and $I_4$ emission lines in temperature-dependent magneto-photoluminescence investigations.
description: 13 pages, 10 figures; submitted to Phys. Rev. B