cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Gate-induced magneto-oscillation phase anomalies in graphene bilayers
Creators: name: Goncharuk, N. A.
name: Smrcka, L.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The magneto-oscillations in graphene bilayers are studied in the vicinity of the K and K' points of the Brillouin zone within the four-band continuum model ased on the simplest tight-binding approximation involving only the nearest neighbor interactions. The model is employed to construct Landau plots for a variety of carrier concentrations and bias strengths between the graphene planes. The quantum-mechanical and quasiclassical approaches are compared. We found that the quantum magneto-oscillations are only asymptotically periodic and reach the frequencies predicted quasiclassically for high indices of Landau levels. In unbiased bilayers the phase of oscillations is equal to the phase of massive fermions. Anomalous behavior of oscillation phases was found in biased bilayers with broken inversion symmetry. The oscillation frequencies again tend to quasiclassically predicted ones, which are the same for $K$ and $K'$, but the quantum approach yields the gate-tunable corrections to oscillation phases, which differ in sign for K and K'. These valley-dependent phase corrections give rise, instead of a single quasiclassical series of oscillations, to two series with the same frequency but shifted in phase.
description: 8 pages, 8 figures
Linear dynamics of weakly viscous accretion disks: A disk analog of Tollmien-Schlichting waves
Creators: name: Umurhan, O. M.
name: Shaviv, G.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: This paper discusses new perspectives and approaches to the problem of disk dynamics where, in this study, we focus on the effects of viscous instabilities influenced by boundary effects. The Boussinesq approximation of the viscous large shearing box equations is analyzed in which the azimuthal length scale of the disturbance is much larger than the radial and vertical scales. We examine the stability of a non-axisymmetric potential vorticity mode, i.e. a PV-anomaly. in a configuration in which buoyant convection and the strato-rotational instability do not to operate. We consider a series of boundary conditions which show the PV-anomaly to be unstable both on a finite and semi-infinite radial domains. We find these conditions leading to an instability which is the disk analog of Tollmien-Schlichting waves. When the viscosity is weak, evidence of the instability is most pronounced by the emergence of a vortex sheet at the critical layer located away from the boundary where the instability is generated. For some boundary conditions a necessary criterion for the onset of instability for vertical wavelengths that are a sizable fraction of the layer's thickness and when the viscosity is small is that the appropriate Froude number of the flow be greater than one. This instability persists if more realistic boundary conditions are applied, although the criterion on the Froude number is more complicated. The unstable waves studied here share qualitative features to the instability seen in rotating Blasius boundary layers. The implications of these results are discussed. An overall new strategy for exploring and interpreting disk instability mechanisms is also suggested.
description: Accepted for publication in Astronomy and Astrophysics. 18 pages. This version 3 with corrected style file
Deterministic Transformations of Multipartite Entangled States with Tensor Rank 2
Creators: name: Turgut, S.
name: Gul, Y.
name: Pak, N. K.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Transformations involving only local operations assisted with classical communication are investigated for multipartite entangled pure states having tensor rank 2. All necessary and sufficient conditions for the possibility of deterministically converting truly multipartite, rank-2 states into each other are given. Furthermore, a chain of local operations that successfully achieves the transformation has been identified for all allowed transformations. The identified chains have two nice features: (1) each party needs to carry out at most one local operation and (2) all of these local operations are also deterministic transformations by themselves. Finally, it is found that there are disjoint classes of states, all of which can be identified by a single real parameter, which remain invariant under deterministic transformations.
description: 27 pages, 1 figure; added new references and improved the presentation
Spin determination of single-produced resonances at hadron colliders
Creators: name: Gao, Yanyan
name: Gritsan, Andrei V.
name: Guo, Zijin
name: Melnikov, Kirill
name: Schulze, Markus
name: Tran, Nhan V.
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We study the production of a single resonance at the LHC and its decay into a pair of Z bosons. We demonstrate how full reconstruction of the final states allows us to determine the spin and parity of the resonance and restricts its coupling to vector gauge bosons. Full angular analysis is illustrated with the simulation of the production and decay chain including all spin correlations and the most general couplings of spin-zero, -one, and -two resonances to Standard Model matter and gauge fields. We note implications for analysis of a resonance decaying to other final states.
description: 29 pages, 5 figures, supporting material, typos fixed
Differential reduction of generalized hypergeometric functions from Feynman diagrams: One-variable case
Creators: name: Bytev, Vladimir V.
name: Kalmykov, Mikhail Yu.
name: Kniehl, Bernd A.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Symbolic Computation (cs.SC)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Mathematical Physics (math-ph)
subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: The differential-reduction algorithm, which allows one to express generalized hypergeometric functions with parameters of arbitrary values in terms of such functions with parameters whose values differ from the original ones by integers, is discussed in the context of evaluating Feynman diagrams. Where this is possible, we compare our results with those obtained using standard techniques. It is shown that the criterion of reducibility of multiloop Feynman integrals can be reformulated in terms of the criterion of reducibility of hypergeometric functions. The relation between the numbers of master integrals obtained by differential reduction and integration by parts is discussed.
description: 46 pages in LaTeX; 2 eps figures; v3. Section 3 improved; Section 4 changed; new References added; version published in Nucl. Phys. B;
NLO single-top production matched with shower in POWHEG: s- and t-channel contributions
Creators: name: Alioli, Simone
name: Nason, Paolo
name: Oleari, Carlo
name: Re, Emanuele
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present a next-to-leading order calculation of single-top production interfaced to Shower Monte Carlo programs, implemented according to the POWHEG method. A detailed comparison with MC@NLO and PYTHIA is carried out for several observables, for the Tevatron and LHC colliders.
description: Figs. 10, 11 and 12 were obtained without the acceptance cuts described in the text. They have been replaced with the correct ones
Glossary and Principles of a Time-Free Relational Framework
Creators: name: Borower, D. C.
Publisher: name: Zenodo
Year: 2025
Subjects: recursive systems, time-free physics, structural dynamics, probabilistic structures, nonlinear dynamics, quantum foundations, operator formalism, recursive entropy, emergent order, measurement, cosmology, mathematical physics

description: This collection defines a structured glossary and a set of core principles for a time-free relational framework. It replaces time-dependent differential equations with recursive probabilistic relations that describe physical transformation without reference to temporal parameters.

The glossary includes recursive formulations of foundational physical structures, such as the Schrödinger equation, Bell's inequality, entropy, Hubble expansion, and structural dynamics. Concepts like recursive measurement, meta-coherence, and non-temporal superposition are treated as emergent features of a recursive system.

Although the glossary does not claim completeness, it provides a coherent formal base for further research in time-independent dynamics, quantum foundations, and relational physics.

This glossary complements the formula collection presented in:Borower, D. C. (2025). Formula Collection and Fundamental Principles of Zero-Time Theory (ZTT). Zenodo. https://doi.org/10.5281/zenodo.14956852 and https://doi.org/10.5281/zenodo.14936762
Violation of Quark-Hadron Duality and Spectral Chiral Moments in QCD
Creators: name: Gonzalez-Alonso, Martin
name: Pich, Antonio
name: Prades, Joaquim
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We analyze the spectral moments of the V-A two-point correlation function. Using all known short-distance constraints and the most recent experimental data from tau decays, we determine the lowest spectral moments, trying to assess the uncertainties associated with the so-called violations of quark-hadron duality. We have generated a large number of "acceptable" spectral functions, satisfying all conditions, and have used them to extract the wanted hadronic parameters through a careful statistical analysis. We obtain accurate values for the ChPT couplings L10 and C87, and a realistic determination of the dimension six and eight contributions in the operator product expansion, O6=(-5.4^{+3.6}_{-1.6})*10^-3 GeV^6 and O8=(-8.9^{+12.6}_{-7.4})*10^-3 GeV^8, showing that the duality-violation effects have been usually underestimated in previous literature.
description: 17 pp, slightly modified version to be published in PRD.
Organigramme de la Bibliothèque du roi de 1778
Creators: name: JACQUOT, Olivier
Publisher: name: BnF Comité d'histoire
Year: 2024
Subjects: Bibliothèque nationale de France
Bibliothèque royale (France ; 14..-1792)
Organigrammes (organisation)

description: Organigramme de la Bibliothèque du roi de 1778.
Determination of atomic scattering lengths from measurements of molecular binding energies near Feshbach resonances
Creators: name: Lange, A. D.
name: Pilch, K.
name: Prantner, A.
name: Ferlaino, F.
name: Engeser, B.
name: Naegerl, H. -C.
name: Grimm, R.
name: Chin, C.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We present an analytic model to calculate the atomic scattering length near a Feshbach resonance from data on the molecular binding energy. Our approach considers finite-range square-well potentials and can be applied near broad, narrow, or even overlapping Feshbach resonances. We test our model on Cs$_2$ Feshbach molecules. We measure the binding energy using magnetic-field modulation spectroscopy in a range where one broad and two narrow Feshbach resonances overlap. From the data we accurately determine the Cs atomic scattering length and the positions and widths of two particular resonances.
description: 6 pages, 4 figures
DMP for PhD research project - 'The Value of Hi-Tech Clusters as a Policy Tool: A Stakeholder Perspective'
Creators: name: Reid, Ian
Publisher: name: The Open University
Year: 2025
Subjects: classificationCode: 380109
subject: Industry economics and industrial organisation
classificationCode: 380118
subject: Urban and regional economics

description: The research looks at the long-standing interest of regional and national policymakers in the spatial agglomeration of hi-tech industry, especially those based on the physical sciences, in the UK. The degree to which the deliberate seeding and nurturing of such clusters can deliver wider benefits, in the context of wider industrial and innovation policy objectives is explored from a broad stakeholder perspective. The wider stakeholder landscape engaging with, or impacted by, such clusters will be mapped and the perceived and realised benefits and costs of clusters will be uncovered. This empirical data informs development of a theoretical viewpoint which, in turn, underpins the development of an holistic evaluation framework for such cluster initiatives.
Additional file 1 of Microglia in depression: an overview of microglia in the pathogenesis and treatment of depression
Creators: name: Wang, Haixia
name: He, Yi
name: Sun, Zuoli
name: Ren, Siyu
name: Liu, Mingxia
name: Wang, Gang
name: Yang, Jian
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: Neuroscience
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified
subject: Cancer
subject: Science Policy
subject: Mental Health
subject: Hematology

description: Additional file 1: Table S1. The animal models of depression involving microglial changes.
title: Women-Owned Business Branding: Consumer Behavior Based on Hedonic vs. Utilitarian Positioning
Creators: name: Arnold, Gracie LeeAnn
Publisher: name: Utah State University
Year: 2015

description: Similar to the "country of origin" effect, branding a business with a specific ownership may have an effect on consumer purchasing behavior; but, as this trend grows so does the amount of research on how this effect is manifested. Large, powerful companies like Wal-Mart, Ex-IM Bank, and Toyota have recently launched initiatives to promote women-owned business enterprises by targeting women-owned suppliers. Women-owned business have seen unprecedented growth and market share in the past decade. In response, Wal-Mart has pledged to source $20 billion in goods from women-owned businesses by 2016. Wal-Mart began using the "Women-Owned" business logo (WOB) that was developed by a partnership between the Women's Business Enterprise National Council and Women Enterprise Connect International. As with country of origin labeling (Made in USA, etc.), this new logo was designed to differentiate qualified products form competitors' products. Since the initial Wal-Mart WOB study in 2009, there have been few recent studies examining effectiveness of a WOB logo for consumer products or services.
The focus of this study is to provide consumer buying behavior information to women business leaders and potential distributors of WOB labeled products or services. Also, this study will explore what types of products and services would benefit most form a WOB label, if any. The study was conducted by surveying 300 diverse participants through Amazon's Mechanical Turk compensation system. Participants were randomly assigned to six different question banks pertaining to either products or services described as either hedonic or utilitarian offering. Each of the prompts also indicated whether or not the product or service was women-owned, men-owned, or non-specified.
The original hypothesis was that the logo would positively affect the perceived value of the product dependent on the hedonic or utilitarian positioning. Against that hypothesis, no statistical significance was found suggesting a correlation between women-owned labeling and increased buying behavior; this applied to products regardless of the product type, gender or age of participant, empathy, participant ranking on the machismo scales, or participant attitudes towards feminism. Utilitarian WOB service branding, however, negatively affected consumer behavior in comparison to having no ownership gender specified. On the other hand, hedonic WOB service branding positively affected perceptions of value in comparison to services with no specified ownership gender. This correlation relationship or lack thereof may affect how women-owned business leaders brand and market their products in the competitive space.
Pseudo-surface acoustic waves in hypersonic surface phononic crystals
Creators: name: Nardi, D.
name: Banfi, F.
name: Giannetti, C.
name: Revaz, B.
name: Ferrini, G.
name: Parmigiani, F.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We present a theoretical framework allowing to properly address the nature of surface-like eigenmodes in a hypersonic surface phononic crystal, a composite structure made of periodic metal stripes of nanometer size and periodicity of 1 micron, deposited over a semi-infinite silicon substrate. In surface-based phononic crystals there is no distinction between the eigenmodes of the periodically nanostructured overlayer and the surface acoustic modes of the semi-infinite substrate, the solution of the elastic equation being a pseudo-surface acoustic wave partially localized on the nanostructures and radiating energy into the bulk. This problem is particularly severe in the hypersonic frequency range, where semi-infinite substrate's surface acoustic modes strongly couple to the periodic overlayer, thus preventing any perturbative approach. We solve the problem introducing a surface-likeness coefficient as a tool allowing to find pseudo-surface acoustic waves and to calculate their line shapes. Having accessed the pseudo-surface modes of the composite structure, the same theoretical frame allows reporting on the gap opening in the now well-defined pseudo-SAW frequency spectrum. We show how the filling fraction, mass loading and geometric factors affect both the frequency gap, and how the mechanical energy is scattered out of the surface waveguiding modes.
description: 8 pages, 7 figures, 2 tables. Published on Phys. Rev. B
title: Wickiup Site Structure: A Comparison of Aboriginal Wooden Features from the Great Basin and Colorado Plateau
Creators: name: Allred, Brandi Jensen
Publisher: name: Utah State University
Year: 2015

description: Throughout all of human history, people have built shelters for themselves whenever they stop for more than a few minutes. Many of these structures, built from wood and brush, are today colloquially known as wickiups. Wickiups are temporary housing structures, but were sometimes used for longer duration or even winter stays. In the Great Basin and surrounding montane West, we have a surprising amount of still standing wickiups. These have yet to fall to time's ravages and were initially built within the last several hundred years. Older sites, those around the world and deep into time, no longer have the wickiup structures; they are left with only the non-perishable evidence of human habitation. Using the knowledge of site structure accrued over the past half-century by archaeologists, we can establish a relationship between the locations of these non-perishables, to the location of the perishable wickiup. By using this signature, that is, the known relationship in site structure between the artifacts and housing structure, we can better direct archaeological method. In this way, we can move beyond the ubiquitous lithic scatter of the Deseret West, and see the rest of the site beyond the obvious artifact density areas to complete the picture of the past.
Structural Relaxation of a Gel Modeled by Three Body Interactions
Creators: name: Saw, Shibu
name: Ellegaard, Niels L.
name: Kob, Walter
name: Sastry, Srikanth
Publisher: name: arXiv
Year: 2009
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We report a molecular dynamics simulation study of a model gel whose interaction potential is obtained by modifying the three body Stillinger-Weber model potential for silicon. The modification reduces the average coordination number, and suppresses the liquid-gas phase coexistence curve. The low density, low temperature equilibrium gel that can thus form exhibits interesting dynamical behavior, including compressed exponential relaxation of density correlations. We show that motion responsible for such relaxation has ballistic character, and arises from the motion of chain segments in the gel without the restructuring of the gel network.
description: 5 pages, 5 figures
The topological susceptibility from grand canonical simulations in the interacting instanton liquid model: strongly associating fluids and biased Monte Carlo
Creators: name: Wantz, Olivier
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: This is the second in a series of papers that investigates the topological susceptibility in the interacting instanton liquid model (IILM) at finite temperature, and deals with the technical issues relating to the Monte Carlo simulations. The IILM reduces field theory to a molecular dynamics description, and for `physical' quark masses the system behaves like a strongly associating fluid. We will argue that this is a generic feature for very light Dirac quark in a non-trivial background, described in the semi-classical approach. To get rid of unnecessary complications, we will present the ideas of biased Monte Carlo, and implement the transition probabilities, for a toy model.
description: 23 pages, 14 figures. As accepted by Nucl.Phys.B
Dorothy Parker’s games of girls and women : a thematic study of victims and manipulators in selected short stories by Dorothy Parker with a checklist of Dorothy Parker’s prose exclusive of reviews
Creators: name: Goldberg, Gail Ann
Publisher: name: University of British Columbia
Year: 2010

description: The relationship between victims and manipulators is a basic theme in the works of Dorothy Parker. Rejected by her stepmother as a child, she grew up incapable of accepting love or affection, and spent her life alienating others on the off-chance that they too might hurt her if she allowed herself to care about them. This defensive attitude led her to view the world through a two-dimensional lens: one either "did" or was "done to"; one was either a victim or a manipulator. Parker's short stories fall into two general categories. Some deal specifically with lovers, and the rest examine more general, nonsexual relationships. The second group appeared to offer more depth and variety, and so all her prose was examined with this aspect in mind. Because her poetry is concerned almost entirely with love, it seemed too limited to be explored in detail in a broad thematic study, such as this had become. The fact that the plays were all co-authored excluded them as well, although Ladies of the Corridor does deal with the victim-manipulator theme at some length. The reading was based upon a checklist which I believe to be a complete listing of Dorothy Parker's non-critical prose. It was compiled from March 1974 until September 1975, and is based primarily upon the Readers' Guide to Periodical Literature, although many other guides and indices were consulted as well. Cross-references and chance allusions were also important sources of information, even though many of the leads suggested by John Keats' book proved to be false. Once the stories were read, classified, and selected, they were grouped into four categories--manipulator-oriented relationships, victimless manipulator characterizations, victim-oriented relationships, and portraits of manipulator-less (per se) victims--and discussed. This structure has certain inherent flaws, but it does point up the various balances struck between comic technique and serious intent, an important concept in these stories. It also gave a certain framework to the examination, helping to keep it from either becoming a narrow "grocery list" of descriptive criticism, or a sprawling monster galloping off in all directions at once (a very real problem in an examination of such an unscholarly, unstudied writer). The main conclusion to be drawn from such a study seems to be that Dorothy Parker merits more serious literary attention. Her reputation as a wit has preceded her--not always positively, as she herself realised--and has perhaps prejudiced us against her genuine artistic worth. "Dorothy Parker: wasn't she the one who said . . .?" Whether she was or not should be immaterial. She wished most to be remembered for her short stories; the least we can do is read them. If a study of this nature can make them more interesting or more accessible, it has served its purpose.
Organigramme de la Bibliothèque du roi de 1780
Creators: name: JACQUOT, Olivier
Publisher: name: BnF Comité d'histoire
Year: 2024
Subjects: Bibliothèque nationale de France
Bibliothèque royale (France ; 14..-1792)
Organigrammes (organisation)

description: Organigramme de la Bibliothèque du roi de 1780.
Gap solitons on a ring
Creators: name: Kartashov, Yaroslav V.
name: Malomed, Boris A.
name: Vysloukh, Victor A.
name: Torner, Lluis
Publisher: name: arXiv
Year: 2008
Subjects: subject: Optics (physics.optics)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We introduce a new species of gap solitons (GSs) supported by an azimuthally modulated guiding ring in defocusing cubic media. The periodicity in the azimuthal direction strongly modifies properties and existence domains of GSs. In addition to the fundamental solitons, we report even and twisted bound states. The former type is found to be stable, while the twisted states are always unstable in defocusing media.
description: 13 pages, 4 figures, to appear in Optics Letters
title: Valor de la RM difusion en la evaluacion de la respuesta al tratamiento neoadyuvante en los tumores de recto
Creators: name: Vidal Trueba, Héctor
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Neoplasia
subject: Radiation therapy / Oncology
subject: Staging
subject: MR-Diffusion/Perfusion
subject: MR
subject: Oncology
subject: Colon
subject: Abdomen

description: Objetivos
Material y método
Resultados
Conclusiones
Bibliografía
description: Objetivos:
Los pacientes con respuesta completa (CR) después de QRT pueden ser candidatos a tratamiento conservador,
("esperar y ver"). Determinar el valor de RM-DWI para predecir RC después de...
Identification of flow-background to subtract in jet-like azimuthal correlation
Creators: name: Wang, Quan
name: Wang, Fuqiang
Publisher: name: arXiv
Year: 2009
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We derive an analytical form for flow-background to jet-like azimuthal correlation in a cluster approach. We argue that the elliptic flow parameter to use in jet-correlation background is that from two-particle method excluding non-flow correlation unrelated to the reaction plane, but including cross-terms between cluster correlation and cluster flow. We verify our result with Monte Carlo simulations. We discuss implications of our finding in the context of jet-like correlations from STAR and PHENIX.
description: 8 pages 1 table 1 figure
Geometric optics of Bloch waves in a chiral and dissipative medium
Creators: name: Zhang, Chuanwei
name: Niu, Qian
Publisher: name: arXiv
Year: 2009
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We present a geometric optics theory for the transport of quantum particles (or classical waves) in a chiral and dissipative periodic crystal subject to slowly varying perturbations in space and time. Taking account of some properties of particles and media neglected in previous theory, we find important additional terms in the equations of motion of particles. The (energy) current density field, which traces the geometric optics rays, is not only governed by the Bloch band energy dispersion but also involves there additional fields. These are the angular momentum of the particle, the dissipation dipole density, and various geometric gauge fields in the extended phase space spanned by space-time and its reciprocal, momentum and frequency. For simplicity, the theory is presented using light propagation in photonic crystals.
description: 6 pages, one figure, expanded version, to appear in PRA
title: El duodeno en urgencias
Creators: name: Aloa Hermoso de Mendoza, Irantzu
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: CT
subject: Abdomen
subject: Small bowel
subject: Ultrasound

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Revisar la posible patología duodenal urgente que puede debutar como un dolor...
title: A Life Full of Challenges: Exploring the Stressors and Coping Strategies of Emerging Adult Undergraduate Student Parents
Creators: name: Esplin, Kaleb C.
Publisher: name: Utah State University
Year: 2016

description: Stress is a natural part of life. However, there are some demographics which experience stress at heightened levels due to their circumstances, making them more prone to negative consequences. One such demographic is emerging adult undergraduate student parents (EAUSPs). Research on highly stressed demographics allows for the creation of programs and strategies to aid them. Unfortunately, research on EAUSPs is very scarce, making supporting them difficult. This study sought to understand the stresses which EAUSPs identify being prevalent in their lives along with coping strategies which they have found to be effective. To do so, interviews were conducted with 12 EAUSPs and communications regarding stresses were coded into four central themes: health, time management, uncertainties, and finances. Three coping strategies also emerged: seeking social support, taking things one day at a time, and physical fitness. By better understanding these common stressors, I hope to establish a foundation for future research which may lead to the development of university policies and social support strategies which may improve the ability of EAUSPs to reach their goals and improve their quality of life.
Radiation pressure acceleration of protons from structured thin-foil targets
Creators: name: Meinhold, Tim Arniko
name: Kumar, Naveen
Publisher: name: arXiv
Year: 2021
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Medical Physics (physics.med-ph)
subject: FOS: Physical sciences

description: The process of radiation pressure acceleration (RPA) of ions is investigated with the aim of suppressing the Rayleigh-Taylor like transverse instabilities in laser-foil interaction. This is achieved by imposing surface and density modulations on the target surface. We also study the efficacy of RPA of ions from density modulated and structured targets in the radiation dominated regime where the radiation reaction effects are important. We show that the use of density modulated and structured targets and the radiation reaction effects can help in achieving the twin goals of high ion energy (in GeV range) and lower energy spread.
title: Coalición tarsal congénita: qué nos aportan los estudios de TC y RM en su valoración y caracterización.
Creators: name: Masó Navarro, Mª Luisa
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: MR
subject: CT
subject: Bones
subject: Musculoskeletal bone

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Valorar las características y signos radiológicos visualizados en los estudios de TC y RM de las diferentes localizaciones y tipos de coalición tarsal...
title: Dacriocistografía en imágenes
Creators: name: Bahamonde Cabria, Susana
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Anatomy
subject: Interventional non-vascular
subject: Eyes
subject: Fluoroscopy
subject: Dacryocystography
subject: Dilatation
subject: Obstruction / Occlusion

description: Objetivo docente
Revisión del tema
Conclusiones
Bibliografía
description: Objetivo docente:
Describir la técnica de la dacriocistografía (DCG) y los hallazgos radiológicos en el estudio de la patología del conducto lacrimonasal (CLN) a través de las pruebas relizadas en nuestro centro en el último año. Mostrar su eficacia como...
title: Elastografía hepática cuantitativa tipo ARFI del hígado trasplantado.
Creators: name: Alfageme Zubillaga, Marta
Publisher: name: Sociedad Española de Radiología Médica
Year: 2014
Subjects: subject: Grafts
subject: Diagnostic procedure
subject: Complications
subject: Outcomes analysis
subject: Ultrasound-Colour Doppler
subject: Ultrasound
subject: Elastography
subject: Liver
subject: Abdomen
subject: Transplantation
subject: Inflammation

description: Objetivos
Material y método
Resultados
Conclusiones
Bibliografía
description: Objetivos:
INTRODUCCION Y REVISION DEL TEMA: La elastografía hepática cuantitativa tipo ARFI (Acoustic Radiation Force Impulse) es una técnica ultrasonográfica que estima la rigidez del parénquima hepático mediante la medición de la velocidad de la onda...
Cognitive factors that affect the adoption of autonomous agriculture
Creators: name: Devitt, S. K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences
subject: K.4

description: Robotic and Autonomous Agricultural Technologies (RAAT) are increasingly available yet may fail to be adopted. This paper focusses specifically on cognitive factors that affect adoption including: inability to generate trust, loss of farming knowledge and reduced social cognition. It is recommended that agriculture develops its own framework for the performance and safety of RAAT drawing on human factors research in aerospace engineering including human inputs (individual variance in knowledge, skills, abilities, preferences, needs and traits), trust, situational awareness and cognitive load. The kinds of cognitive impacts depend on the RAATs level of autonomy, ie whether it has automatic, partial autonomy and autonomous functionality and stage of adoption, ie adoption, initial use or post-adoptive use. The more autonomous a system is, the less a human needs to know to operate it and the less the cognitive load, but it also means farmers have less situational awareness about on farm activities that in turn may affect strategic decision-making about their enterprise. Some cognitive factors may be hidden when RAAT is first adopted but play a greater role during prolonged or intense post-adoptive use. Systems with partial autonomy need intuitive user interfaces, engaging system information, and clear signaling to be trusted with low level tasks; and to compliment and augment high order decision-making on farm.
description: 20 pages, 4 figures, published in Farm Policy Journal
Spin dynamics in semiconductors
Creators: name: Wu, M. W.
name: Jiang, J. H.
name: Weng, M. Q.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: This article reviews the current status of spin dynamics in semiconductors which has achieved a lot of progress in the past years due to the fast growing field of semiconductor spintronics. The primary focus is the theoretical and experimental developments of spin relaxation and dephasing in both spin precession in time domain and spin diffusion and transport in spacial domain. A fully microscopic many-body investigation on spin dynamics based on the kinetic spin Bloch equation approach is reviewed comprehensively.
description: a review article with 193 pages and 1103 references. To be published in Physics Reports.
Light Deflection under the Gravitational Field of Jupiter -- Testing General Relativity
Creators: name: Li, Yingjie
name: Xu, Ye
name: Li, JingJing
name: Wu, Yuanwei
name: Bian, Shaibo
name: Lin, ZeHao
name: Yang, WenJin
name: Hao, Chaojie
name: Liu, DeJian
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We measured the relative positions between two pairs of compact extragalactic sources (CESs), J1925-2219 \& J1923-2104 (C1--C2) and J1925-2219 \& J1928-2035 (C1--C3) on 2020 October 23--25 and 2021 February 5 (totaling four epochs), respectively, using the Very Long Baseline Array (VLBA) at 15 GHz. Accounting for the deflection angle dominated by Jupiter, as well as the contributions from the Sun, planets other than Earth, the Moon and Ganymede (the most massive of the solar system's moons), our theoretical calculations predict that the dynamical ranges of the relative positions across four epochs in R.A. of the C1--C2 pair and C1--C3 pair are 841.2 and 1127.9 $μ$as, respectively. The formal accuracy in R.A. is about 20 $μ$as, but the error in Decl. is poor. The measured standard deviations of the relative positions across the four epochs are 51.0 and 29.7 $μ$as in R.A. for C1--C2 and C1--C3, respectively. These values indicate that the accuracy of the post-Newtonian relativistic parameter, $γ$, is $\sim 0.061$ for C1--C2 and $\sim 0.026$ for C1--C3. Combining the two CES pairs, the measured value of $γ$ is $0.984 \pm 0.037$, which is comparable to the latest published results for Jupiter as a gravitational lens reported by Fomalont \& Kopeikin, i.e., $1.01 \pm 0.03$.
description: 22 pages, 7 figures, 3 tables, accepted for publication in ApJ
Fast Characterization of Dispersion and Dispersion Slope of Optical Fiber Links using Spectral Interferometry with Frequency Combs
Creators: name: Supradeepa, V. R.
name: Long, Christopher M.
name: Leaird, Daniel E.
name: Weiner, Andrew M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Optics (physics.optics)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: We demonstrate fast characterization (~1.4 microseconds) of both the dispersion and dispersion slope of long optical fiber links (~25 km) using dual quadrature spectral interferometry with an optical frequency comb. Compared to previous spectral interferometry experiments limited to fiber lengths of meters, the long coherence length and the periodic delay properties of frequency combs, coupled with fast data acquisition, enable spectral interferometric characterization of fibers longer by several orders of magnitude. We expect that our method will be useful to recently proposed lightwave techniques like coherent WDM and to coherent modulation formats by providing a real time monitoring capability for the link dispersion. Another area of application would be in stabilization of systems which perform frequency and timing distribution over long fiber links using stabilized optical frequency combs.
description: 3 pages, 3 figures, Minor changes to text
A SMO inhibitor drug reduces the progenitor cell's maintenance in the Drosophila hematopoietic organ: a novel model to study Chronic Myelogenous Leukemia relapse
Creators: name: Barraco, Marilena <1984>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2014
Subjects: MED/15 Malattie del sangue

description: The chronic myeloid leukemia complexity and the difficulties of disease eradication have recently led to the development of drugs which, together with the inhibitors of TK, could eliminate leukemia stem cells preventing the occurrence of relapses in patients undergoing transplantation. The Hedgehog (Hh) signaling pathway positively regulates the self-renewal and the maintenance of leukemic stem cells and not, and this function is evolutionarily conserved. Using Drosophila as a model, we studied the efficacy of the SMO inhibitor drug that inhibit the human protein Smoothened (SMO). SMO is a crucial component in the signal transduction of Hh and its blockade in mammals leads to a reduction in the disease induction. Here we show that administration of the SMO inhibitor to animals has a specific effect directed against the Drosophila ortholog protein, causing loss of quiescence and hematopoietic precursors mobilization. The SMO inhibitor induces in L3 larvae the appearance of melanotic nodules generated as response by Drosophila immune system to the increase of its hemocytes. The same phenotype is induced even by the dsRNA:SMO specific expression in hematopoietic precursors of the lymph gland. The drug action is also confirmed at cellular level. The study of molecular markers has allowed us to demonstrate that SMO inhibitor leads to a reduction of the quiescent precursors and to an increase of the differentiated cells. Moreover administering the inhibitor to heterozygous for a null allele of Smo, we observe a significant increase in the phenotype penetrance compared to administration to wild type animals. This helps to confirm the specific effect of the drug itself. These data taken together indicate that the study of inhibitors of Smo in Drosophila can represent a useful way to dissect their action mechanism at the molecular-genetic level in order to collect information applicable to the studies of the disease in humans.
title: Regularity of Performance on a Computer Tracking Task is Different Between Concussed and Non-Concussed Individuals
Creators: name: Glenn, Kedric James
Publisher: name: Utah State University
Year: 2014

description: Concussion in athletics has raised public interest as more is learned about the damage done to the athlete. Some of the current field methods of assessing concussion do not look at neuro-cognitive recover, which can remain impaired long after the symptoms of concussion have passed. Other direct methods of assessing concussion are extremely expensive and are not easily portable.
We created a new assessment for concussion that is relatively inexpensive and portable using non-linear time series analysis of performance on a visual-motor tracking task. Approximate entropy (ApEn) is a tool that enables us to calculate the structure of variability form these time series and gives insight into differences in visual-motor tracking ability not detected by other assessments.
In this study we assessed whether or not the ApEn values of visual-motor tracking changed in relation to the time that has passed since the participants last concussion. Additionally, we assessed if there were differences within the ApEn values between participants who have had multiple concussions throughout their lifetime and those who have only had one.
ApEn values were higher as more time passed since the most recent concussive event. ApEn values also were significantly lower between participants who had only sustained one concussion and those who had sustained >1 concussion.
Momentum dependence of near-threshold photoproduction of $Ξ^-$ hyperons off nuclei and their properties in the nuclear medium
Creators: name: Paryev, E. Ya.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We study the near-threshold inclusive photoproduction of $Ξ^-$ hyperons off $^{12}$C and $^{184}$W target nuclei within a first-collision model relying on the nuclear spectral function and including incoherent $Ξ^-$ production in direct elementary $γp \to K^+{K^+}Ξ^-$ and $γn \to K^+{K^0}Ξ^-$ processes. The model takes into account the impact of the nuclear effective scalar $K^+$, $K^0$, $Ξ^-$ and their Coulomb potentials on these processes as well as the absorption of final $Ξ^-$ hyperons in nuclear matter, the binding of intranuclear nucleons and their Fermi motion. We calculate the absolute differential cross sections and their ratios for the production of $Ξ^-$ hyperons off these nuclei at laboratory polar angles $\le$ 45$^{\circ}$ by photons with energies of 2.5 and 3.0 GeV, with and without imposing the phase space constraints on the $Ξ^-$ emission angle in the respective $γp$ center-of-mass system. We also calculate the momentum dependence of the transparency ratio for $Ξ^-$ hyperons for the $^{184}$W/$^{12}$C combination at these photon energies. We show that the $Ξ^-$ momentum distributions (absolute and relative) at the adopted initial photon energies possess, contrary to the transparency ratio for $Ξ^-$ hyperons, a definite sensitivity to the considered changes in the scalar $Ξ^-$ nuclear mean-field potential at saturation density $ρ_0$ in the low-momentum range of 0.1--0.8 GeV/c. Therefore, the precise measurements of these distributions in a dedicated experiment at the CEBAF facility will provide valuable information on the $Ξ^-$ in-medium properties, which will be supplementary to that inferred from studying of the ($K^-$,$K^+$) reactions at initial momenta of 1.6--1.8 GeV/c.
description: 25 pages, 14 figures
title: Improving Micro-Finance Productivity through Data Analysis
Creators: name: Taylor, Ryan D
Publisher: name: Utah State University
Year: 2015

description: After nearly three months of gathering, creating, organizing, and analyzing data from social entrepreneurship programs in Peru and Ghana, correlations have been found within the data which may be used in the pursuit to eliminate poverty around the globe. These correlations were found through completing both linear relationship analyses and multi-variable regression analyses. The most statistically significant factors when looking at correlational relationships with number of missed and late payments were APR, loan duration, loan date (year fraction), gender or principle loan participant, and participation in incentive programs. The most poignant of these variables in terms of statistical significance was participation in incentive programs. This information, assuming the continued cooperation of social entrepreneurship and economic development firms, will be used to initiate controlled research studies in which it might be determined whether the factors of correlational significance also hold causational value. If so, programs may be developed as a result of the studies that will help improve social entrepreneurship programs and eventually eradicate cases of deep poverty.
Organigramme de la Bibliothèque du roi de 1783
Creators: name: JACQUOT, Olivier
Publisher: name: BnF Comité d'histoire
Year: 2024
Subjects: Bibliothèque nationale de France
Bibliothèque royale (France ; 14..-1792)
Organigrammes (organisation)

description: Organigramme de la Bibliothèque du roi de 1783.
General class of vacuum Brans-Dicke wormholes
Creators: name: Lobo, Francisco S. N.
name: Oliveira, Miguel A.
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Recently, traversable wormhole geometries were constructed in the context of f(R) gravity. The latter is equivalent to a Brans-Dicke theory with a coupling parameter w=0, which is apparently excluded from the narrow interval, -3/2
description: 4 pages, 2 figures. V2: minor additions, matches published version