cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Carrier dynamics in ion-implanted GaAs studied by simulation and observation of terahertz emission
Creators: name: Lloyd-Hughes, J.
name: Castro-Camus, E.
name: Fraser, M. D.
name: Jagadish, C.
name: Johnston, M. B.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We have studied terahertz (THz) emission from arsenic-ion implanted GaAs both experimentally and using a three-dimensional carrier dynamics simulation. A uniform density of vacancies was formed over the optical absorption depth of bulk GaAs samples by performing multi-energy implantations of arsenic ions (1 and 2.4MeV) and subsequent thermal annealing. In a series of THz emission experiments the frequency of peak THz power was found to increase significantly from 1.4 to 2.2THz when the ion implantation dose was increased from 10^13 to 10^16 cm-3. We used a semi-classical Monte-Carlo simulation of ultra-fast carrier dynamics to reproduce and explain these results. The effect of the ion-induced damage was included in the simulation by considering carrier scattering at neutral and charged impurities, as well as carrier trapping at defect sites. Higher vacancy concentrations and shorter carrier trapping times both contributed to shorter simulated THz pulses, the latter being more important over experimentally realistic parameter ranges.
description: 6 pages, 7 figures
7261: The Dental Staff at Catterick Camp Military Hospital
Creators: name: Project Team, Lest We Forget
Publisher: name: University of Oxford
Year: 2024
Subjects: classificationCode: 430304
subject: British history
classificationCode: 430308
subject: European history (excl. British, classical Greek and Roman)
classificationCode: 430316
subject: International history

description: Most of the people shown in this batch of photos were members of the dental staff at Catterick Camp Military Hospital during the period February 1918 to February 1919. The photos belonged to my grandmother Batchie Griffiths (VAD General Services clerk, not herself a member of the dental staff) and the names are as given in the captions in her photo album. Some of them can be identified with certainty: Lt Edward (Teddy) Alfred Penney Parker and his future wife Phyllis Margaret Gwendoline Jenkins, and Capt. John Marshall Henry Scott. Theo was probably Theodora Gray, a Red Cross nurse who worked in France 26.10.15 - 26.11.17 and at Catterick Camp 9.2.18 -18.9.18. "Babs" (identified by his autograph as H. F. Powell) might be Hugh Falkenberg Powell but this is not confirmed. Tibbetts, Crawford, Pat, Mae and G cannot be identified with any certainty. 1. Standing (left to right): unnamed, Crawford, Lt. Tibbets, Theo, Babs (H. F. Powell), Lt. Parker. Front row (sitting, left to right): "G", Capt. Scott, Phyllis Jenkins.
2. Group photo (left to right): Babs, Theo, Scott, Tibbets, Crawford, Phyllis, Teddy, G.
3. Phyllis, Capt. Scott, G. (This photo can be dated to August 1918 by the calendar on the back wall).
4. Theo.
5. G.
6. Capt. Scott, Maclaren (apparently a patient), Lt. Parker
7. (Left to right): Pat, Lt. Parker, Phyllis, Mae, Babs
8. (Left to right): Lt. Parker, Phyllis, Capt. Scott, Mae, Babs.
9. Lt. Parker
10, 11, 12. Babs
13. Babs and Batchie Griffiths in the dental surgery.
14. Excerpt from the obituary of Capt. Scott from The Berwickshire News of 1 April 1919.
Group theoretical approach to entanglement
Creators: name: Korbicz, J. K.
name: Lewenstein, M.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present a novel, universal description of quantum entanglement using group theory and generalized characteristic functions. It leads to new reformulations of the separability problem, and the positivity of partial transpose (PPT) criterion. The latter turns out to be intimately related to a certain reality condition for group representations. Within our formalism, we also show a connection between existence of entanglement and group non-commutativity.
description: Final version, REVTeX4 9 pages
Effects of Gauss-Bonnet term on the final fate of gravitational collapse
Creators: name: Maeda, Hideki
Publisher: name: arXiv
Year: 2005
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We obtain a general spherically symmetric solution of a null dust fluid in $n (\geq 4)$-dimensions in Gauss-Bonnet gravity. This solution is a generalization of the $n$-dimensional Vaidya-(anti)de Sitter solution in general relativity. For $n=4$, the Gauss-Bonnet term in the action does not contribute to the field equations, so that the solution coincides with the Vaidya-(anti)de Sitter solution. Using the solution for $n \ge 5$ with a specific form of the mass function, we present a model for a gravitational collapse in which a null dust fluid radially injects into an initially flat and empty region. It is found that a naked singularity is inevitably formed and its properties are quite different between $n=5$ and $n \ge 6$. In the $n \ge 6$ case, a massless ingoing null naked singularity is formed, while in the $n=5$ case, a massive timelike naked singularity is formed, which does not appear in the general relativistic case. The strength of the naked singularities is weaker than that in the general relativistic case. These naked singularities can be globally naked when the null dust fluid is turned off after a finite time and the field settles into the empty asymptotically flat spacetime.
description: 10 pages, 2 figures, final version to appear in Classical and Quantum Gravity
CP-odd observables in neutralino production with transverse e+ and e- beam polarization
Creators: name: Bartl, A.
name: Fraas, H.
name: Hesselbach, S.
name: Hohenwarter-Sodek, K.
name: Kernreiter, T.
name: Moortgat-Pick, G.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We consider neutralino production and decay e^+e^ --> chi^0_i chi^0_j, chi^0_j --> chi^0_1 f \bar{f} at a linear collider with transverse e^+ and e^- beam polarization. We propose CP asymmetries by means of the azimuthal distribution of the produced neutralinos and of that of the final leptons, while taking also into account the subsequent decays of the neutralinos. We include the complete spin correlations between production and decay. Our framework is the Minimal Supersymmetric Standard Model with complex parameters. In a numerical study we show that there are good prospects to observe these CP asymmetries at the International Linear Collider and estimate the accuracy expected for the determination of the phases in the neutralino sector.
description: 30 pages, minor changes in the introduction, references added
Additional file 5 of Whole exome sequencing revealed a novel homozygous variant in the DGKE catalytic domain: a case report of familial hemolytic uremic syndrome
Creators: name: Gholizad-Kolveiri, Soraya
name: Nakysa Hooman
name: Rasoul Alizadeh
name: Rozita Hoseini
name: Otukesh, Hasan
name: Talebi, Saeed
name: Akouchekian, Mansoureh
Publisher: name: figshare
Year: 2020
Subjects: subject: Biochemistry
subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: 60506 Virology

description: Additional file 5: The distances between Thr 312 and Asp 315 (pocket amino acids located on the sides of position 314). Figure S5A. wild type residue. Figure S5B. mutant residue.
Sino-U.S. and Sino-E.U. Textile Safeguard Agreements: Comparing the Effects to Free Market Conditions
Creators: name: Pan, Suwen
name: Welch, Mark
name: Mohanty, Samarendu
name: Fadiga, Mohamadou L.
name: Pan, Suwen
name: Welch, Mark
name: Mohanty, Samarendu
name: Fadiga, Mohamadou L.
Publisher: name: Unknown
Year: 2006
Subjects: International Relations/Trade

description: The effects of Sino-US and Sino-EU safeguard agreements on US, China and world cotton and textile sectors are investigated using a partial equilibrium model. The effects are compared to a free trade scenario under the provisions of the Agreement on Textiles and Clothing (ATC). The two agreements capping Chinese textile exports would decrease China's textile and apparel exports, production and domestic consumption by an average 1.57 percent, 0.63 percent and, 0.32 percent respectively. The safeguard agreements cause an increase in the U.S. cotton textile price index and a slight decrease in U.S. net textile imports and textile consumption. The agreements cause a decrease in the world cotton price and the quantity of cotton traded, but these trends reverse at safeguard expiration. The results generally support the view that the safeguard agreements forestall the effects of free trade in textiles and apparel rather than creating long lasting shifts in the textile trade.
Simulation and optimisation of terahertz emission from InGaAs and InP photoconductive switches
Creators: name: Lloyd-Hughes, J.
name: Castro-Camus, E.
name: Johnston, M. B.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We simulate the terahertz emission from laterally-biased InGaAs and InP using a three-dimensional carrier dynamics model in order to optimise the semiconductor material. Incident pump-pulse parameters of current Ti:Sapphire and Er:fibre lasers are chosen, and the simulation models the semiconductor's bandstructure using parabolic Gamma, L and X valleys, and heavy holes. The emitted terahertz radiation is propagated within the semiconductor and into free space using a model based on the Drude-Lorentz dielectric function. As the InGaAs alloy approaches InAs an increase in the emitted power is observed, and this is attributed to a greater electron mobility. Additionally, low-temperature grown and ion-implanted InGaAs are modelled using a finite carrier trapping time. At sub-picosecond trapping times the terahertz bandwidth is found to increase significantly at the cost of a reduced emission power.
description: 9 pages, 7 figures
Quantum Spin Liquids in Weak Mott Insulators with a Spin-Orbit Coupling
Creators: name: Mitra, Asimpunya
name: Schultz, Daniel J.
name: Kim, Yong Baek
Publisher: name: arXiv
Year: 2024
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The weak Mott insulating regime of the triangular lattice Hubbard model exhibits a rich magnetic phase diagram as a result of the ring exchange interaction in the spin Hamiltonian. These phases include the Kalmeyer-Laughlin type chiral spin liquid (CSL) and a valence bond solid (VBS). A natural question arises regarding the robustness of these phases in the presence of a weak spin-orbit coupling (SOC). In this study, we derive the effective spin model for the spin-orbit coupled triangular lattice Hubbard model in the weak Mott insulting regime, including all SOC-mediated spin-bilinears and ring-exchange interactions. We then construct a simplified spin model keeping only the most relevant SOC-mediated spin interactions. Using infinite density matrix renormalization group (iDMRG) we show that the CSL and VBS phases of the triangular lattice Hubbard model can be stabilized in the presence of a weak SOC. The stabilization results from a compensation between the Dzyaloshinskii-Moriya interaction and a SOC-mediated ring exchange interaction. We also provide additional qualitative arguments to intuitively understand the compensation mechanism in the iDMRG quantum phase diagrams. This mechanism for stabilization can potentially be useful for the experimental realization of quantum spin liquids.
description: 20 pages, 13 figures
7283: Herefordshire Regiment, D Company: nominal roll of men proceeding abroad
Creators: name: Project Team, Lest We Forget
Publisher: name: University of Oxford
Year: 2024
Subjects: classificationCode: 430304
subject: British history
classificationCode: 430308
subject: European history (excl. British, classical Greek and Roman)
classificationCode: 430316
subject: International history

description: This is a printed list of the men of D Company, Herefordshire Regiment who left the UK for the eastern Mediterranean in July 1915, sailing from Devonport on the Euripedes. The regiment landed at Suvla Bay (Gallipoli) on 9 August. This copy of the list belonged to Lance Corporal John Emlyn James, of Llandrindod Wells, Radnorshire, who had joined the regiment in September 1914. The handwritten comments are probably in his handwriting. "England" indicates that a man had been evacuated to the UK for treatment, either for wounds or for illness.
Decoupling Molybdenum Disulfide from its Substrate by Cesium Intercalation
Creators: name: Sant, Roberto
name: Lisi, Simone
name: Nguyen, Van Dung
name: Mazaleyrat, Estelle
name: Herrero, Ana Cristina Gómez
name: Geaymond, Olivier
name: Guisset, Valérie
name: David, Philippe
name: Marty, Alain
name: Jamet, Matthieu
name: Chapelier, Claude
name: Magaud, Laurence
name: Dappe, Yannick J.
name: Bianchi, Marco
name: Hofmann, Philip
name: Renaud, Gilles
name: Coraux, Johann
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Intercalation of alkali atoms within the lamellar transition metal dichalcogenides is a possible route toward a new generation of batteries. It is also a way to induce structural phase transitions authorizing the realization of optical and electrical switches in this class of materials. The process of intercalation has been mostly studied in three-dimensional dichalcogenide films. Here, we address the case of a single-layer of molybdenum disulfide (MoS$_2$), deposited on a gold substrate, and intercalated with cesium (Cs) in ultra-clean conditions (ultrahigh vacuum). We show that intercalation decouples MoS$_2$ from its substrate. We reveal electron transfer from Cs to MoS$_2$, relative changes in the energy of the valence band maxima, and electronic disorder induced by structural disorder in the intercalated Cs layer. Besides, we find an abnormal lattice expansion of MoS$_2$, which we relate to immediate vicinity of Cs. Intercalation is thermally activated, and so is the reverse process of de-intercalation. Our work opens the route to a microscopic understanding of a process of relevance in several possible future technologies, and shows a way to manipulate the properties of two-dimensional dichalcogenides by "under-cover" functionalization.
description: 6 figures
Learning Model Predictive Control Parameters via Bayesian Optimization for Battery Fast Charging
Creators: name: Hirt, Sebastian
name: Höhl, Andreas
name: Schaeffer, Joachim
name: Pohlodek, Johannes
name: Braatz, Richard D.
name: Findeisen, Rolf
Publisher: name: arXiv
Year: 2024
Subjects: subject: Systems and Control (eess.SY)
subject: Machine Learning (cs.LG)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Tuning parameters in model predictive control (MPC) presents significant challenges, particularly when there is a notable discrepancy between the controller's predictions and the actual behavior of the closed-loop plant. This mismatch may stem from factors like substantial model-plant differences, limited prediction horizons that do not cover the entire time of interest, or unforeseen system disturbances. Such mismatches can jeopardize both performance and safety, including constraint satisfaction. Traditional methods address this issue by modifying the finite horizon cost function to better reflect the overall operational cost, learning parts of the prediction model from data, or implementing robust MPC strategies, which might be either computationally intensive or overly cautious. As an alternative, directly optimizing or learning the controller parameters to enhance closed-loop performance has been proposed. We apply Bayesian optimization for efficient learning of unknown model parameters and parameterized constraint backoff terms, aiming to improve closed-loop performance of battery fast charging. This approach establishes a hierarchical control framework where Bayesian optimization directly fine-tunes closed-loop behavior towards a global and long-term objective, while MPC handles lower-level, short-term control tasks. For lithium-ion battery fast charging, we show that the learning approach not only ensures safe operation but also maximizes closed-loop performance. This includes maintaining the battery's operation below its maximum terminal voltage and reducing charging times, all achieved using a standard nominal MPC model with a short horizon and notable initial model-plant mismatch.
description: 6 pages, 5 figures, accepted for ADCHEM 2024
Evaluating the Economic Impact of Countervailing Duties on United States Warm Water Shrimp Imports
Creators: name: Jones, Keithly G.
name: Harvey, David J.
name: Jones, Keithly G.
name: Harvey, David J.
Publisher: name: Unknown
Year: 2006
Subjects: International Relations/Trade

description: Estimates of price and scale elasticities for U.S. consumed shrimp are derived using aggregate source country shrimp import data. It was assumed that supply was perfectly elastic and U.S. wholesalers determine the quantities imported from individual countries given the prices and preferences of U.S. consumers. Ex-ante analysis suggests that most countries levied with the countervailing duty experience declines in U.S. import demand while those countries not affected by the countervailing duty experience increases in import demand. Ex-post analysis shows the reverse to be true. Several countries impacted by the countervailing duty had increased import demand from the United States while Mexico, which was not affected by the countervailing duty, had decreased import demand. The results from aggregate level data suggest that imposing duties on specific companies within a country may not be effective if that company is not a monopoly producer or controls a significant share of the shrimp produced in that country.
First measurements of Collins and Sivers asymmetries at COMPASS
Creators: name: Webb, Richard
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: COMPASS is a fixed-target experiment on the SPS M2 beamline at CERN. Its LiD target can be polarised both longitudinally and transversally with respect to the longitudinally polarised 160 GeV/c muon beam. Approximately 20% of the beam-time in 2002, 2003 and 2004 was spent in the transverse configuration, allowing the first measurement of both the Collins and Sivers asymmetries on a deuterium target. First results from the the transverse data of the COMPASS run in 2002 are reported here.
description: 4 pages, 1 figure, contribution to parallel session of BARYONS04, Oct 25-29 2004, Palaiseau, France Removed typo, corrected erroneous reference
Additional file 1 of The oncogenic kinase NEK2 regulates an RBFOX2-dependent pro-mesenchymal splicing program in triple-negative breast cancer cells
Creators: name: Naro, Chiara
name: De Musso, Monica
name: Delle Monache, Francesca
name: Panzeri, Valentina
name: de la Grange, Pierre
name: Sette, Claudio
Publisher: name: figshare
Year: 2021
Subjects: subject: Biophysics
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: Hematology

description: Additional file 1: Supplemental Tables 1–2. Tables listing sequences of siRNAs and primers used in this study.
The Relationship Between Economically and Environmentally Marginal Land
Creators: name: Deal, John
name: Deal, John
Publisher: name: Unknown
Year: 2006
Subjects: Environmental Economics and Policy

description: Concerns have frequently been raised regarding the impact of federally-subsidized crop insurance and agricultural subsidy payments on land allocation and crop mix choices. If the reduction in production risk encourages farmers to plant on economically marginal land, it has often been asserted that this will lead to increases in environmental damage, including increases in soil erosion rates. This paper investigates the "conventional" wisdom that economically marginal land is also environmentally fragile, as defined by higher levels of inherent soil erodibility. We address this issue by looking at the distribution of crop yields for 4 major crops across National Resource Inventory (NRI) erodibility classes and by performing regression analysis. Our results indicate that land with higher levels of soil erodibility exhibit lower mean crop yields, a proxy for economic marginality, which lends support to the conventional wisdom.
10014: Scenes from the Dardanelles
Creators: name: Project Team, Lest We Forget
Publisher: name: University of Oxford
Year: 2024
Subjects: classificationCode: 430304
subject: British history
classificationCode: 430308
subject: European history (excl. British, classical Greek and Roman)
classificationCode: 430316
subject: International history

description: Seven postcards showing scenes from the Dardanelles, with detailed captions on the reverse:
1. A periscope in the trenches
2. British staff officers questioning captured Turkish officers
3. Naval guns landed at Cape Helles
4. French battery in action near Sedd-el-Bahr
5. Ambulance wagon passing through gulley
6. The crew of the "Crampus" acclaim the submarine E.II returning from the Dardanelles
7. Counter-torpedoes going to land troops for destroying the forts at the entrance of the strait 1-5: printed in England
6-7: printed in Paris, text in French and English
Additional file 2 of The oncogenic kinase NEK2 regulates an RBFOX2-dependent pro-mesenchymal splicing program in triple-negative breast cancer cells
Creators: name: Naro, Chiara
name: De Musso, Monica
name: Delle Monache, Francesca
name: Panzeri, Valentina
name: de la Grange, Pierre
name: Sette, Claudio
Publisher: name: figshare
Year: 2021
Subjects: subject: Biophysics
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: Hematology

description: Additional file 2: Supplemental Figures. 1–8. Supplemental Figures and their figure legends.
Atomic-scale spin-polarization maps using functionalized superconducting probes
Creators: name: Schneider, Lucas
name: Beck, Philip
name: Wiebe, Jens
name: Wiesendanger, Roland
Publisher: name: arXiv
Year: 2020
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: A scanning tunneling microscope (STM) with a magnetic tip that has a sufficiently strong spin-polarization can be used to map the sample's spin structure down to the atomic scale but usually lacks the possibility to absolutely determine the value of the sample's spin-polarization. Magnetic impurities in superconducting materials give rise to pairs of perfectly, i.e. 100% spin-polarized sub-gap resonances. In this work, we functionalize the apex of a superconducting Nb STM-tip with such impurity states by attaching Fe atoms to probe the spin-polarization of atom-manipulated Mn nanomagnets on a Nb(110) surface. By comparison with spin-polarized STM measurements of the same nanomagnets using Cr bulk tips we demonstrate an extraordinary spin-sensitivity and the possibility to measure the sample's spin-polarization values quantitatively with our new functionalized probes.
The Demand for Livestock by the U.S. Meat Processing Industry
Creators: name: Boonsaeng, Tullaya
name: Wohlgenant, Michael K.
name: Boonsaeng, Tullaya
name: Wohlgenant, Michael K.
Publisher: name: Unknown
Year: 2006
Subjects: Agribusiness

description: This paper studies the demand of domestic and imported livestock by the U.S. meat processing industry. Two types of meats are analyzed: slaughter cattle and hogs. Static and dynamic inverse input demand models are estimated. The static inversed input demand model performed better than the dynamic inversed input demand models. Calculated own price elasticities (flexibilities) and cross price elasticities (flexibilities) indicate that the demand for imported livestock by the meat processing industry is very sensitive to the change in the domestic price for livestock. The demand of domestic slaughter livestock is less sensitive to the change in imported livestock prices.
Correlation of transverse momentum and multiplicity in a superposition model of nucleus-nucleus collisions
Creators: name: Mrowczynski, Stanislaw
Publisher: name: arXiv
Year: 2006
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: In p-p collisions the average transverse momentum is known to be correlated with the multiplicity of produced particles. The correlation is shown to survive in a superposition model of nucleus-nucleus collisions. When properly parameterized, the correlation strength appears to be independent of the collision centrality - it is the same in p-p and central A-A collisions. However, the correlation is strongly suppressed by the centrality fluctuations.
description: 7 pages, 2 figures, minor corrections, to appear in Phys. Rev. C
7237: Catterick Camp Military Hospital: a VAD's autograph book
Creators: name: Project Team, Lest We Forget
Publisher: name: University of Oxford
Year: 2024
Subjects: classificationCode: 430304
subject: British history
classificationCode: 430308
subject: European history (excl. British, classical Greek and Roman)
classificationCode: 430316
subject: International history

description: Batchie (Bessie) Griffiths from Llandovery served as a VAD General Services clerk at Catterick Camp Military Hospital from February 1918 to February 1919. She left two autograph books signed by fellow VADs, patients and staff at the camp. Some of these can be identified (in this autograph book, VADs Ethel Maud Burdon and Dorothy Whettam, Grace Darling Doran who may or may not have been a VAD) but others only signed with their initials.
Dynamical properties of densely packed confined hard-sphere fluids
Creators: name: Jung, Gerhard
name: Caraglio, Michele
name: Schrack, Lukas
name: Franosch, Thomas
Publisher: name: arXiv
Year: 2020
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Numerical solutions of the mode-coupling theory (MCT) equations for a hard-sphere fluid confined between two parallel hard walls are elaborated. The governing equations feature multiple parallel relaxation channels which significantly complicate their numerical integration. We investigate the intermediate scattering functions and the susceptibility spectra close to structural arrest and compare to an asymptotic analysis of the MCT equations. We corroborate that the data converge in the $β$-scaling regime to two asymptotic power laws, viz. the critical decay and the von Schweidler law. The numerical results reveal a non-monotonic dependence of the power-law exponents on the slab width and a non-trivial kink in the low-frequency susceptibility spectra. We also find qualitative agreement of these theoretical results to event-driven molecular-dynamics simulations of polydisperse hard-sphere system. In particular, the non-trivial dependence of the dynamical properties on the slab width is well reproduced.
Asmussen, Hans / Sartory, Thomas, Gespräch zwischen den Konfessionen
Creators: name: Krüger
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 9 Nr. 4 (1960): Ökumenische Rundschau, Band 9, Heft 4
Additional file 1 of Combining angiotensin receptor blockers with chlorthalidone or hydrochlorothiazide – which is the better alternative? A meta-analysis
Creators: name: Filipova, Elena
name: Dineva, Stela
name: Uzunova, Katya
name: Velichka Pavlova
name: Kalinov, Krassimir
name: Vekov, Toni
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Cell Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Pharmacology
subject: Marine Biology
subject: Science Policy

description: Additional file 1: Table S1. Quality assessment results. Figure S1. Funnel plot for systolic blood pressure ARB/HCTZ versus ARB. Figure S2. Funnel plot for diastolic blood pressure ARB/HCTZ versus ARB. Figure S3. Funnel plot for systolic blood pressure ARB/CTLD vs ARB/HCTZ. Figure S4. Funnel plot for diastolic blood pressure ARB/CTLD vs ARB/HCTZ. Table S2. Sensitivity analysis SBP and DBP ARB/HCTZ vs ARB. Table S3. Sensitivity analysis SBP and DBP ARB/CTLD vs ARB/HCTZ. Table S4. Quality of the evidence according to the GRADE methodology for the 2 outcomes.
Solvable models of two-level systems coupled to itinerant electrons: Robust non-Fermi liquid and quantum critical pairing
Creators: name: Tulipman, Evyatar
name: Bashan, Noga
name: Schmalian, Jörg
name: Berg, Erez
Publisher: name: arXiv
Year: 2024
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Strange metal behavior is traditionally associated with an underlying putative quantum critical point at zero temperature. However, in many correlated metals, e.g., high-Tc cuprate superconductors, strange metallicity persists at low temperatures over an extended range of microscopic parameters, suggesting the existence of an underlying quantum critical phase, whose possible physical origins remain poorly understood. Systematic investigations of physical scenarios giving rise to such a critical, non-Fermi liquid (NFL) phase are therefore crucial to better understand this puzzling behavior. In a previous work [Bashan et al. arXiv:2310.07768], we considered a solvable large-N model consisting of itinerant electrons coupled to local two-level systems (TLSs) via spatially random interactions, inspired by the possibility of emergent metallic glassiness due to frustrated competing orders, and found that the system hosts an NFL phase with tunable exponents at intermediate couplings. In this work, we expand our investigation to the following: (i) We study the extent to which this NFL phase is generic by considering various deformations of our theory, including coupling of electrons to multiple operators of the TLSs and arbitrarily directed TLS-fields. We find that the physical picture obtained in Bashan et al. qualitatively persist in a wide region of parameter space, showcasing the robustness of the NFL phase; (ii) We analyze the superconducting instability due to coupling of TLSs to electrons, and find a rich structure, including quantum critical pairing associated with the NFL phase and conventional BCS pairing in the weak and strong coupling limits; (iii) We elaborate on the analysis of Bashan et al., including single-particle, transport and thermodynamic properties.
description: 20+19 pages, 5+3 figures
Traceability, Liability and Incentives for Food Safety and Quality
Creators: name: Pouliot, Sebastien
name: Sumner, Daniel A.
name: Pouliot, Sebastien
name: Sumner, Daniel A.
Publisher: name: Unknown
Year: 2006
Subjects: Food Consumption/Nutrition/Food Safety

description: In this paper we focus specifically on the implications for additional traceability in the context of liability for food safety problems. We model formally the linkage between traceability and food safety and establish the implications of an increase in traceability-liability for food safety and related economic outcomes. The capacity to trace the origin of food increases the possibility of legal remedy and compensation in case of food safety event. Traceability also allows parties to more easily document that they are not responsible for harm. Therefore, traceability systems create incentives for firms to supply safer food.
Effectiveness of an abdominal training protocol on an unstable surface versus a stable surface
Creators: name: Brovender, Samuel Joshua
Publisher: name: University of British Columbia
Year: 2009

description: Background and Purpose. Control of the trunk musculature is essential for maintaining stability of the lumbar spine. Training the abdominal mechanisms on a stable surface is a well-established intervention. The clinical use of unstable surfaces when training the transversus abdominus is common, however, little is known regarding the effectiveness or added value of an unstable environment. The purpose of this study was to evaluate the clinical and subjective levels of improvement of the deep trunk muscles, following training, on an unstable versus stable surface under an abdominal pre-setting condition. Subjects. Volunteer subjects (n=25, 10 males and 15 females) from the Vancouver Dolphins Swim Club, between the ages of 14 and 19 years were randomly assigned into one of two groups: a group instructed on abdominal setting and then performing exercises on an unstable surface and, a second group also instructed on abdominal setting but performing the same exercises on a stable surface. Methods. Three commonly used trunk stability exercises were assigned to each subject and were progressed one per week over a period of six weeks. All subjects in the study were taught the proper abdominal setting action prior to beginning the study. Subjects met once per week with an instructor to ensure that proper exercise technique was maintained as well as to receive proper exercise progressions. Three testing sessions were conducted over the course of the study, at the zero, three and six-week marks. Baseline measures were taken using the Stabilizer™ pressure biofeedback unit and the Sahrmann testing protocol. A questionnaire and a logbook with follow-up data were also collected at the three and sixweek testing sessions. Results. Significant within group differences were seen in each of the two groups throughout the entire length of the study as the abdominal training progressed. Between group differences were significant during the second half of the study when adjusting for the three-week score proving the unstable surface to be more effective than the stable surface as a measure on the Sahrmann scale using the pressure biofeedback unit, with a z-score of -2.2 and a p-value of 0.014. Discussion and Conclusions. As subjects learn to control their abdominal musculature, improvements in trunk stability are noted. Training on an unstable surface will improve the activation of the abdominal mechanism greater than training on a stable surface. With a baseline of neuromuscular activation following training on a stable surface progression to an unstable surface may result in even greater improvements. Subjective improvements in strength and power were noted upon analysis of questionnaires and log books, following a core training program.
Antidumping Duties in the Agriculture Sector: Trade Restricting or Trade Deflecting
Creators: name: Kassam, Shinan
name: Malhotra, Nisha
name: Kassam, Shinan
name: Malhotra, Nisha
Publisher: name: Unknown
Year: 2006
Subjects: subject: International Relations/Trade
subject: Agriculture
subject: Antidumping
subject: Trade Effect
subject: US
subject: Protection

description: The key issues on the negotiation table in the agriculture sector are the elimination of export subsidies, a progressive reduction of tariffs and reduction in domestic support. However, it is observed that trade liberalization often involves moving from one set of distortions to another rather than a movement to free trade. More specifically, in the case of trade liberalization in manufacturing, countries have replaced lower tariffs with antidumping duties (ADD). Feinberg and Olson (2005) empirically show that countries that agreed to larger tariff reductions under the Uruguay Round are more likely to use AD statutes to protect their domestic industries. Thus if the use of ADD in agriculture are effective as a trade barrier (that is there is little trade diversion) then negotiators might need to include AD reform along-with lower tariffs in their future negotiations. In this paper we analyze whether imposition of an antidumping duty restrict imports of the named commodity or is the supply of imports deflected from countries named in the petition to countries not named in the antidumping petition? We find that AD duties have had a significant impact on the imports of agricultural commodities from countries named on the petition. However, our results also indicate that there was little trade diversion towards countries not named in the AD petition. It seems that AD is a plausible protectionist policy.
GRADER BIAS IN CATTLE MARKETS? EVIDENCE FROM IOWA
Creators: name: Marcoul, Philippe
name: Lawrence, John D.
name: Hueth, Brent
name: Marcoul, Philippe
name: Lawrence, John D.
name: Hueth, Brent
Publisher: name: Unknown
Year: 2006
Subjects: subject: Marketing
subject: FOS: Economics and business

description: Participants in U.S. markets for live cattle increasingly rely on federal grading standards to price slaughtered animals. This change is due to the growing prominence of "grid" pricing mechanisms that specify explicit premiums and discounts contingent on an animal's graded quality class. Although these changes alter the way cattle are priced, the technology for sorting animals into quality classes has changed very little: human graders visually inspect each slaughtered carcass and call a "quality" and "yield" grade in a matter of seconds as the carcass passes on a moving trolley. There is anecdotal evidence of systematic bias in these called grades across time and regions within U.S. markets. We examine whether such claims are supported in a sample of loads delivered to three different midwestern packing plants during the years 2000-2002. Overall, results indicate that indeed there is a bias, and that grading standards vary significantly across years and packing plants. Results also are consistent with a behavioral model where grader accuracy is inversely related to carcass quality.
Seeds of Life in Space (SOLIS) VIII. SiO isotopic fractionation and a new insight in the shocks of L1157-B1
Creators: name: Spezzano, S.
name: Codella, C.
name: Podio, L.
name: Ceccarelli, C.
name: Caselli, P.
name: Neri, R.
name: López-Sepulcre, A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: L1157-B1 is one of the outflow shocked regions along the blue-shifted outflow driven by the Class 0 protostar L1157-mm, and is an ideal laboratory to study the material ejected from the grains in very short timescales, i.e. its chemical composition is representative of the composition of the grains. We imaged $^{28}$SiO, $^{29}$SiO and $^{30}$SiO J = 2-1 emission towards L1157-B1 and B0 with the NOrthern Extended Millimeter Array (NOEMA) interferometer as part of the Seeds of Life in Space (SOLIS) large project. We present here a study of the isotopic fractionation of SiO towards L1157-B1. Furthermore, we use the high spectral resolution observations on the main isotopologue, $^{28}$SiO, to study the jet impact on the dense gas. We present here also single-dish observations obtained with the IRAM 30m telescope and Herschel-HIFI. We carried out a non-LTE analysis using a Large Velocity Gradient (LVG) code to model the single-dish observations. From our observations we can show that (i) the (2-1) transition of the main isotopologue is optically thick in L1157-B1 even at high velocities, and (ii) the [$^{29}$SiO/$^{30}$SiO] ratio is constant across the source, and consistent with the solar value of 1.5. We report the first isotopic fractionation maps of SiO in a shocked region and show the absence of a mass dependent fractionation in $^{29}$Si and $^{30}$Si across L1157-B1. A high-velocity bullet in $^{28}$SiO has been identified, showing the signature of a jet impacting on the dense gas. With the dataset presented in this paper, both interferometric and single-dish, we were able to study in great detail the gas shocked at the B1a position and its surrounding gas.
description: Accepted for publication in A&A
Reward Learning from Suboptimal Demonstrations with Applications in Surgical Electrocautery
Creators: name: Karimi, Zohre
name: Ho, Shing-Hei
name: Thach, Bao
name: Kuntz, Alan
name: Brown, Daniel S.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Robotics (cs.RO)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Automating robotic surgery via learning from demonstration (LfD) techniques is extremely challenging. This is because surgical tasks often involve sequential decision-making processes with complex interactions of physical objects and have low tolerance for mistakes. Prior works assume that all demonstrations are fully observable and optimal, which might not be practical in the real world. This paper introduces a sample-efficient method that learns a robust reward function from a limited amount of ranked suboptimal demonstrations consisting of partial-view point cloud observations. The method then learns a policy by optimizing the learned reward function using reinforcement learning (RL). We show that using a learned reward function to obtain a policy is more robust than pure imitation learning. We apply our approach on a physical surgical electrocautery task and demonstrate that our method can perform well even when the provided demonstrations are suboptimal and the observations are high-dimensional point clouds. Code and videos available here: https://sites.google.com/view/lfdinelectrocautery
description: In proceedings of the International Symposium on Medical Robotics (ISMR) 2024. Equal contribution from two first authors
Comment on "High-order contamination in the tail of gravitational collapse''
Creators: name: Smith, Alexander Z.
name: Burko, Lior M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We confront the predictions of S. Hod, Phys. Rev. D 60, 104053 (1999) for the late-time decay rate of black hole perturbations with numerical data. Specifically, we ask two questions: First, are corrections to the Price tail dominated by logarithmic terms, as predicted by Hod? Second, if there were logarithmic correction terms, do they take the specific form predicted in Hod's paper? The answer to both questions is ``no.''
description: 4 pages, 4 figures
CHINA'S HOG PRODUCTION STRUCTURE AND EFFICIENCY
Creators: name: Somwaru, Agapi
name: Zhang, Xiaohui
name: Tuan, Francis C.
name: Somwaru, Agapi
name: Zhang, Xiaohui
name: Tuan, Francis C.
Publisher: name: Unknown
Year: 2003
Subjects: Livestock Production/Industries

description: Over the last 20 years, China's demand for and supply of livestock products has increased dramatically. Although, China's livestock production has changed, with the share of pork production declining, pork production remains the core of the country's livestock industry. China's hog industry is adjusting to capture the benefits of specialization. This paper attempts to capture structural changes in China's hog production, its evolving trends, and economic efficiency. We estimate parametrically the overall efficiency and scale elasticity of 2500 surveyed hog farms in China. Our analysis indicates that the large commercialized farms are the most efficient but the middle size specialized farms with increasing returns to scale production technology are the most profitable.
6951: Sgt Mjr Charles Stone 1337
Creators: name: Project Team, Lest We Forget
Publisher: name: University of Oxford
Year: 2024
Subjects: classificationCode: 430304
subject: British history
classificationCode: 430308
subject: European history (excl. British, classical Greek and Roman)
classificationCode: 430316
subject: International history

description: Sergeant-Major Charles Stone, No 1337, "C" Coy (Leigh) Essex Volunteers, M.S.M. Sergeant Major Stone lived at 12, Victoria Road, Leigh-on-Sea. He was born in Wiltshire and went to sea after leaving school, subsequently serving 21 years with the 3rd Dragoon Guards, seeing fighting in India where he lost his first wife whilst serving. He returned to the UK/Ireland with their young children so they could be cared for by relatives. He continued to serve in Egypt and South Africa. He was awarded the M.S.M. as a W.O.1. and subsequently served in the Natal Police, twice having a hip fractured and the top of his thumb shot off. He moved to Leigh from Clay End near Waltham, Hertfordshire in 1912. He volunteered at the outbreak as a drill instructor, joining "C" Coy (Leigh) of the Essex Volunteers, becoming C.S.M. then R.S.M. He was later appointed Recruiting Warrant Officer at Southend in June 1915. On 13 June 1917 he was travelling to London on a Medical Board Train (to which he was attached "Engaged on Secret Duties") when he was killed by a bomb at Liverpool Street Station during an Air Raid, aged 58. At the subsequent inquest it was revealed that his body had been terribly mutilated and that he was only identified by his clothing. It was decided that he had died of shock, due to injuries of the head and neck and a composite fracture of the left thigh. He left a son and daughter by his first wife, and two daughters by his second, and was buried in War Grave BB.47 in Leigh-on-Sea Cemetery.
URBAN SPRAWL AND OBESITY
Creators: name: Bernell, Stephanie L.
name: Plantinga, Andrew J.
name: Wu, JunJie
name: Bernell, Stephanie L.
name: Plantinga, Andrew J.
name: Wu, JunJie
Publisher: name: Unknown
Year: 2003
Subjects: Food Consumption/Nutrition/Food Safety

description: In the U.S., urban sprawl and the rise in obesity rates have been two powerful trends during the latter half of the 20th century. Previous empirical work has found that obesity rates are influenced by labor market outcomes that are fundamentally shaped by the spatial pattern of developed land. We examine these potential linkages in an urban spatial model augmented to include time allocation and weight. Residents maximize utility defined over housing, weight, and food subject to a fixed time budget allocated to commuting, calorie expenditure, and work. We examine how weight is affected by commuting distance, food prices, and the rate of calorie expenditure; how a reduction in transportation costs affects weight throughout the city; and how initial weight affects location decisions. We identify, and explore the significance of, the conditions under which weight gain is associated with common features of sprawl.
Systematic reduction of the proton-removal cross section in neutron-rich medium-mass nuclei
Creators: name: Díaz-Cortés, J.
name: Benlliure, J.
name: Rodríguez-Sánchez, J. L.
name: Álvarez-Pol, H.
name: Aumann, T.
name: Bertulani, C. A.
name: Blank, B.
name: Casarejos, E.
name: Cortina-Gil, D.
name: Dragosavac, D.
name: Föhr, V.
name: Gargano, A.
name: Gascón, M.
name: Gawlikowicz, W.
name: Heinz, A.
name: Helariutta, K.
name: Kelić-Heil, A.
name: Lukić, S.
name: Montes, F.
name: Pérez-Loureiro, D.
name: Pieńkowski, L.
name: Schmidt, K-H.
name: Staniou, M.
name: Subotić, K.
name: Sümmerer, K.
name: Taieb, J.
name: Trzcińska, A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Single neutron- and proton-removal cross sections have been systematically measured for 72 medium-mass neutron-rich nuclei around Z=50 and energies around 900A MeV using the FRagment Separator (FRS) at GSI. Neutron-removal cross sections are described by considering the knock-out process together with initial- and final-state interactions. Proton-removal cross sections are, however, significantly smaller than predicted by the same calculations. The observed difference can be explained as due to the knockout of short-correlated protons in neutron-proton dominating pairs.