cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Phonon decay in 1D atomic Bose quasicondensates via Beliaev-Landau damping
Creators: name: Micheli, Amaury
name: Robertson, Scott
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: In a 1D Bose gas, there is no non-trivial scattering channel involving three Bogoliubov quasiparticles that conserves both energy and momentum. Nevertheless, we show that such 3-wave mixing processes (Beliaev and Landau damping) account for their decay via interactions with thermal fluctuations. Within an appropriate time window where the Fermi Golden Rule is expected to apply, the occupation number of the initially occupied mode decays exponentially and the rate takes a simple analytic form. The result is shown to compare favorably with simulations based on the Truncated Wigner Approximation. It is also shown that the same processes slow down the exponential growth of phonons induced by a parametric oscillation.
description: 12 pages, 6 figures; Appendices: 16 pages, 8 figures; Version accepted for publication in Physical Review B
Calibrated Bagging Deep Learning for Image Semantic Segmentation: A Case Study on COVID-19 Chest X-ray Image
Creators: name: Nwosu, Lucy
name: Li, Xiangfang
name: Qian, Lijun
name: Kim, Seungchan
name: Dong, Xishuang
Publisher: name: arXiv
Year: 2022
Subjects: subject: Image and Video Processing (eess.IV)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes coronavirus disease 2019 (COVID-19). Imaging tests such as chest X-ray (CXR) and computed tomography (CT) can provide useful information to clinical staff for facilitating a diagnosis of COVID-19 in a more efficient and comprehensive manner. As a breakthrough of artificial intelligence (AI), deep learning has been applied to perform COVID-19 infection region segmentation and disease classification by analyzing CXR and CT data. However, prediction uncertainty of deep learning models for these tasks, which is very important to safety-critical applications like medical image processing, has not been comprehensively investigated. In this work, we propose a novel ensemble deep learning model through integrating bagging deep learning and model calibration to not only enhance segmentation performance, but also reduce prediction uncertainty. The proposed method has been validated on a large dataset that is associated with CXR image segmentation. Experimental results demonstrate that the proposed method can improve the segmentation performance, as well as decrease prediction uncertainties.
The roles of (alpha)N and (alpha)C portion of inhibin (alpha) subunit in folliculogenesis in the ewe
Creators: name: Dhar., Anita
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
The auxiliary Hamiltonian approach and its generalization to non-local self-energies
Creators: name: Balzer, Karsten
Publisher: name: arXiv
Year: 2016
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The recently introduced auxiliary Hamiltonian approach [Balzer K and Eckstein M 2014 Phys. Rev. B 89 035148] maps the problem of solving the two-time Kadanoff-Baym equations onto a noninteracting auxiliary system with additional bath degrees of freedom. While the original paper restricts the discussion to spatially local self-energies, we show that there exists a rather straightforward generalization to treat also non-local correlation effects. The only drawback is the loss of time causality due to a combined singular value and eigen decomposition of the two-time self-energy, the application of which inhibits one to establish the self-consistency directly on the time step. For derivation and illustration of the method, we consider the Hubbard model in one dimension and study the decay of the Neel state in the weak-coupling regime, using the local and non-local second-order Born approximation.
description: 15 pages, 6 figures, accepted in PNGF 6
Numerical simulation of universal morphogenesis of fluid interface deformations driven by radiation pressure
Creators: name: Chesneau, Hugo
name: Chraibi, Hamza
name: Bertin, Nicolas
name: Petit, Julien
name: Delville, Jean-Pierre
name: Brasselet, Etienne
name: Wunenburger, Regis
Publisher: name: arXiv
Year: 2022
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We report on ab initio simulation of fluid interface deformations induced either by acoustic or optical radiation pressure. This is done by solving simultaneously the scalar wave propagation equation and the two-phase flow equations using the boundary element method. Using dimensional analysis, we show that interface deformation morphogenesis is universal, i.e. depends on the same dimensionless parameters in acoustics and electromagnetics. We numerically investigate a few selected phenomena -- in particular the shape of large deformations, the slenderness transition and its hysteresis -- and compare with existing and novel experimental observations. Qualitative agreement between the numerical simulations and experiments is found when the mutual interaction between wave propagation and wave-induced deformations is taken into account. Our results demonstrate the leading role of the radiation pressure in morphogenesis of fluid interface deformations and the importance of the propagation-deformation interplay .
Supercell convergence of charge-transfer energies in pentacene molecular crystals from constrained DFT
Creators: name: Turban, David H. P.
name: Teobaldi, Gilberto
name: O'Regan, David D.
name: Hine, Nicholas D. M.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: Singlet fission (SF) is a multi-exciton generation process that could be harnessed to improve the efficiency of photovoltaic devices. Experimentally, systems derived from the pentacene molecule have been shown to exhibit ultrafast SF with high yields. Charge-transfer (CT) configurations are likely to play an important role as intermediates in the SF process in these systems. In molecular crystals, electrostatic screening effects and band formation can be significant in lowering the energy of CT states, enhancing their potential to effectively participate in SF. In order to simulate these, it desirable to adopt a computational approach which is acceptably accurate, relatively inexpensive, which and scales well to larger systems, thus enabling the study of screening effects. We propose a novel, electrostatically-corrected constrained Density Functional Theory (cDFT) approach as a low-cost solution to the calculation of CT energies in molecular crystals such as pentacene. Here we consider an implementation in the context of the ONETEP linear-scaling DFT code, but our electrostatic correction method is in principle applicable in combination with any constrained DFT implementation, also outside the linear-scaling framework. Our newly developed method allows us to estimate CT energies in the infinite crystal limit, and with these to validate the accuracy of the cluster approximation.
description: 9 pages, 4 figures
From t-closeness to differential privacy and vice versa in data anonymization
Creators: name: Domingo-Ferrer, J.
name: Soria-Comas, J.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: k-Anonymity and ε-differential privacy are two mainstream privacy models, the former introduced to anonymize data sets and the latter to limit the knowledge gain that results from including one individual in the data set. Whereas basic k-anonymity only protects against identity disclosure, t-closeness was presented as an extension of k-anonymity that also protects against attribute disclosure. We show here that, if not quite equivalent, t-closeness and ε-differential privacy are strongly related to one another when it comes to anonymizing data sets. Specifically, k-anonymity for the quasi-identifiers combined with ε-differential privacy for the confidential attributes yields stochastic t-closeness (an extension of t-closeness), with t a function of k and ε. Conversely, t-closeness can yield ε- differential privacy when t = exp(ε/2) and the assumptions made by t-closeness about the prior and posterior views of the data hold
Temperature-induced band selective localization and coherent-incoherent crossover in single-layer FeSe/Nb:BaTiO3 /KTaO3
Creators: name: Pu, Y. J.
name: Huang, Z. C.
name: Xu, H. C.
name: Xu, D. F.
name: Song, Q.
name: Wen, C. H. P.
name: Peng, R.
name: Feng, D. L.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Iron chalcogenide superconductors are multi-band systems with strong electron correlations. Here we use angle-resolved photoemission spectroscopy to study band dependent correlation effects in single-layer FeSe/Nb:BaTiO3/KTaO3, a new iron chalcogenide superconductor with non-degenerate electron pockets and interface-enhanced superconductivity. The non-degeneracy of the electron bands helps to resolve the temperature dependent evolution of different bands. With increasing temperature, the single layer FeSe undergoes a band-selective localization, in which the coherent spectral weight of one electron band is completely depleted while that of the other one remains finite. In addition, the spectral weight of the incoherent background is enhanced with increasing temperature, indicating a coherent-incoherent crossover. Signatures of polaronic behavior are observed, suggesting electron-boson interactions. These phenomena help to construct a more complete picture of electron correlations in the FeSe family.
description: 5 pages, 4 figures
Non-LTE Radiative Transfer with Turbospectrum
Creators: name: Gerber, Jeffrey M.
name: Magg, Ekaterina
name: Plez, Bertrand
name: Bergemann, Maria
name: Heiter, Ulrike
name: Olander, Terese
name: Hoppe, Richard
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Physically realistic models of stellar spectra are needed in a variety of astronomical studies, from the analysis of fundamental stellar parameters, to studies of exoplanets and stellar populations in galaxies. Here we present a new version of the widely-used radiative transfer code Turbospectrum, which we update with the capacity to perform spectrum synthesis for lines of multiple chemical elements in Non-Local Thermodynamic Equilibrium (NLTE). We use the code in the analysis of metallicites and abundances of the Gaia FGK benchmark stars, using one-dimensional MARCS atmospheric models and the averages of 3D radiation-hydrodynamics simulations of stellar surface convection. We show that the new more physically realistic models offer a better description of the observed data and make the program and the associated microphysics data publicly available, including grids of NLTE departure coefficients for H, O, Na, Mg, Si, Ca, Ti, Mn, Fe, Co, Ni, Sr, and Ba.
A Simple Accurate Method for Solving Fractional Variational and Optimal Control Problems
Creators: name: Jahanshahi, Salman
name: Torres, Delfim F. M.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics
subject: 26A33, 49K05, 49M30

description: We develop a simple and accurate method to solve fractional variational and fractional optimal control problems with dependence on Caputo and Riemann-Liouville operators. Using known formulas for computing fractional derivatives of polynomials, we rewrite the fractional functional dynamical optimization problem as a classical static optimization problem. The method for classical optimal control problems is called Ritz's method. Examples show that the proposed approach is more accurate than recent methods available in the literature.
description: This is a preprint of a paper whose final and definite form will be published in 'Journal of Optimization Theory and Applications', ISSN 0022-3239 (print), ISSN 1573-2878 (electronic). Paper Submitted 31-Dec-2014; Revised 21-Oct-2015 and 17-Jan-2016; Accepted 24-Jan-2016
Luneburg-lens-like universal structural Pauli attraction in nucleus-nucleus interactions: origin of emergence of cluster structures and nuclear rainbows
Creators: name: Ohkubo, Shigeo
Publisher: name: arXiv
Year: 2016
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The Pauli exclusion principle plays an important role in many-body fermion systems preventing them from collapsing by repulsion. For example, the Pauli principle causes a repulsive potential at short distances between two $α$ particles. On the other hand, the existence of nuclear rainbows demonstrates that the inter-nuclear potential is sufficiently attractive in the internal region to cause refraction. The two concepts of repulsion and attraction are seemingly irreconcilable. Contrary to traditional understanding, it is shown that the Pauli principle causes a {\it universal structural Pauli attraction} between nuclei rather than a {\it structural repulsive core}. Through systematic studies of $α$+$α$, $α$+$^{16}$O, $α$+$^{40}$Ca and $^{16}$O+$^{16}$O systems, it is shown that the emergence of cluster structures near the threshold energy at low energies and nuclear rainbows at high energies is a direct consequence of the Pauli principle.
description: 6 pages, 5 figures
Molecular shear heating and vortex dynamics in thermostatted two-dimensional Yukawa liquids
Creators: name: Gupta, Akanksha
name: Ganesh, Rajaraman
name: Joy, Ashwin
Publisher: name: arXiv
Year: 2016
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: It is well known that two-dimensional macroscale shear flows are susceptible to instabilities leading to macroscale vortical structures. The linear and nonlinear fate of such a macroscale flow in a strongly coupled medium is a fundamental problem. A popular example of a strongly coupled medium is a dusty plasma, often modelled as a Yukawa liquid. Recently, laboratory experiments and MD studies of shear flows in strongly coupled Yukawa liquids, indicated occurrence of strong molecular shear heating, which is found to reduce the coupling strength exponentially leading to destruction of macroscale vorticity. To understand the vortex dynamics of strongly coupled molecular fluids undergoing macroscale shear flows and molecular shear heating, MD simulation has been performed, which allows the macroscopic vortex dynamics to evolve while at the same time, "removes" the microscopically generated heat without using the velocity degrees of freedom. We demonstrate that by using a configurational thermostat in a novel way, the microscale heat generated by shear flow can be thermostatted out efficiently without compromising the large scale vortex dynamics. In present work, using MD simulations, a comparative study of shear flow evolution in Yukawa liquids in presence and absence of molecular or microscopic heating is presented for a prototype shear flow namely, Kolmogorov flow.
Factors affecting the epidemiology and treatment of Hepatitis C in Southeast Asians
Creators: name: Dev., Anouk Tara
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
Application of the Maximum relative Entropy method to the physics of ferromagnetic materials
Creators: name: Giffin, Adom
name: Cafaro, Carlo
name: Ali, Sean Alan
Publisher: name: arXiv
Year: 2016
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences

description: It is known that the Maximum relative Entropy (MrE) method can be used to both update and approximate probability distributions functions in statistical inference problems. In this manuscript, we apply the MrE method to infer magnetic properties of ferromagnetic materials. In addition to comparing our approach to more traditional methodologies based upon the Ising model and Mean Field Theory, we also test the effectiveness of the MrE method on conventionally unexplored ferromagnetic materials with defects.
description: 27 pages, 5 figures, 1 table
Constraining Gaussian processes for physics-informed acoustic emission mapping
Creators: name: Jones, Matthew R
name: Rogers, Timothy J
name: Cross, Elizabeth J
Publisher: name: arXiv
Year: 2022
Subjects: subject: Machine Learning (cs.LG)
subject: Sound (cs.SD)
subject: Audio and Speech Processing (eess.AS)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The automated localisation of damage in structures is a challenging but critical ingredient in the path towards predictive or condition-based maintenance of high value structures. The use of acoustic emission time of arrival mapping is a promising approach to this challenge, but is severely hindered by the need to collect a dense set of artificial acoustic emission measurements across the structure, resulting in a lengthy and often impractical data acquisition process. In this paper, we consider the use of physics-informed Gaussian processes for learning these maps to alleviate this problem. In the approach, the Gaussian process is constrained to the physical domain such that information relating to the geometry and boundary conditions of the structure are embedded directly into the learning process, returning a model that guarantees that any predictions made satisfy physically-consistent behaviour at the boundary. A number of scenarios that arise when training measurement acquisition is limited, including where training data are sparse, and also of limited coverage over the structure of interest. Using a complex plate-like structure as an experimental case study, we show that our approach significantly reduces the burden of data collection, where it is seen that incorporation of boundary condition knowledge significantly improves predictive accuracy as training observations are reduced, particularly when training measurements are not available across all parts of the structure.
Investigation of nulling and subpulse drifting properties of PSR J1727$-$2739
Creators: name: Wen, Z. G.
name: Wang, N.
name: Yuan, J. P.
name: Yan, W. M.
name: Manchester, R. N.
name: Yuen, R.
name: Gajjar, V.
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Aims. To make a detailed study of the nulling and subpulse drifting in PSR J1727$-$2739 for investigation of its radiation properties. Methods. The observations were carried out on 20 March, 2004 using the Parkes 64-m radio telescope, with a central frequency of 1518 MHz. A total of 5568 single pulses were analysed. Results. This pulsar shows well defined nulls with lengths lasting from 6 to 281 pulses and separated by burst phases ranging from 2 to 133 pulses. We estimate a nulling fraction of around 68\%. No emission in the average pulse profile integrated over all null pulses is detected with significance above $3σ$. Most transitions from nulls to bursts are within a few pulses, whereas the transitions from bursts to nulls exhibit two patterns of decay: decrease gradually or rapidly. In the burst phase, we find that there are two distinct subpulse drift modes with vertical spacing between the drift bands of $9.7 \pm 1.6$ and $5.2 \pm 0.9$ pulse periods, while sometimes there is a third mode with no subpulse drifting. Some mode transitions occur within a single burst, while others are separated by nulls. Different modes have different average pulse profiles. Possible physical mechanisms are discussed.
description: 8 pages, 16 figures
PRISMA-P-checklist for systematic review- Yohanis Alemeshet Asefa.doc
Creators: name: Asefa, Yohanis Alemeshet
name: Persson, Lars Åke
name: C. Seale, Anna
name: Assefa, Nega
Publisher: name: figshare
Year: 2022
Subjects: Health Care

description: PRISMA-P (Preferred Reporting Items for Systematic review and Meta-Analysis Protocols) for burden, causes, and risk factors of perinatal mortality in Eastern Africa; a protocol for systematic review and meta-analysis 
MPEC 2023-Q19 : 2023 QG
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 QG

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
title: Situationsadaptierte Korrektur der Nasenlöcher im Rahmen der Septorhinoplastik
Creators: name: Staudenmaier, Rainer
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Eine adäquate Korrektur der Nasenlöcher ist zum Erreichen eines harmonischen Ergebnisses bei der Septorhinoplastik sehr häufig notwendig. Hierzu häufig verwendete Verfahren sind laterale und kaudale Keilexzisionen, welche jedoch nur eingeschränkte Möglichkeiten offerieren.[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 53. Jahrestagung der Deutschen Gesellschaft für Plastische und Wiederherstellungschirurgie (DGPW)
title: Roboter-assistierte Viszeralchirurgie – Erfahrungen eines Zentrums
Creators: name: Grade, Marian
name: Beham, Alexander
name: Ghadimi, Michael
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Einleitung: Das daVinci-Operationssystem repräsentiert einen Fortschritt in der minimal-invasiven Chirurgie, auch wenn der definitive Stellenwert für die Viszeralchirurgie noch unklar ist. Wir berichten hier über unsere ersten Erfahrungen. Material und Methoden: Zwischen April 2014[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 133. Kongress der Deutschen Gesellschaft für Chirurgie
Anomalies, entropy and boundaries
Creators: name: Fursaev, Dmitri V.
name: Solodukhin, Sergey N.
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: A relation between the conformal anomaly and the logarithmic term in the entanglement entropy is known to exist for CFT's in even dimensions. In odd dimensions the local anomaly and the logarithmic term in the entropy are absent. As was observed recently, there exists a non-trivial integrated anomaly if an odd-dimensional spacetime has boundaries. We show that, similarly, there exists a logarithmic term in the entanglement entropy when the entangling surface crosses the boundary of spacetime. The relation of the entanglement entropy to the integrated conformal anomaly is elaborated for three-dimensional theories. Distributional properties of intrinsic and extrinsic geometries of the boundary in the presence of conical singularities in the bulk are established. This allows one to find contributions to the entropy that depend on the relative angle between the boundary and the entangling surface.
description: 16 pages
Development and Experimentation of a Software Tool for Identifying High Risk Spreadsheets for Auditing
Creators: name: Shubbak, Mahmood H.
name: Thorne, Simon
Publisher: name: arXiv
Year: 2016
Subjects: subject: Software Engineering (cs.SE)
subject: FOS: Computer and information sciences

description: Heavy use of spreadsheets by organisations bears many potential risks such as errors, ambiguity, data loss, duplication, and fraud. In this paper these risks are briefly outlined along with their available mitigation methods such as: documentation, centralisation, auditing and user training. However, because of the large quantities of spreadsheets used in organisations, applying these methods on all spreadsheets is impossible. This fact is considered as a deficiency in these methods, a gap which is addressed in this paper. In this paper a new software tool for managing spreadsheets and identifying the risk levels they include is proposed, developed and tested. As an add-in for Microsoft Excel application, "Risk Calculator" can automatically collect and record spreadsheet properties in an inventory database and assign risk scores based on their importance, use and complexity. Consequently, auditing processes can be targeted to high risk spreadsheets. Such a method saves time, effort, and money.
description: 22 pages, 11 Colour Figures, 4 Tables
Robust self-tuning semiparametric PCA for contaminated elliptical distribution
Creators: name: Hung, Hung
name: Huang, Su-Yun
name: Eguchi, Shinto
Publisher: name: arXiv
Year: 2022
Subjects: subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: Principal component analysis (PCA) is one of the most popular dimension reduction methods. The usual PCA is known to be sensitive to the presence of outliers, and thus many robust PCA methods have been developed. Among them, the Tyler's M-estimator is shown to be the most robust scatter estimator under the elliptical distribution. However, when the underlying distribution is contaminated and deviates from ellipticity, Tyler's M-estimator might not work well. In this article, we apply the semiparametric theory to propose a robust semiparametric PCA. The merits of our proposal are twofold. First, it is robust to heavy-tailed elliptical distributions as well as robust to non-elliptical outliers. Second, it pairs well with a data-driven tuning procedure, which is based on active ratio and can adapt to different degrees of data outlyingness. Theoretical properties are derived, including the influence functions for various statistical functionals and asymptotic normality. Simulation studies and a data analysis demonstrate the superiority of our method.
Tidal insights into rocky and icy bodies: An introduction and overview
Creators: name: Bagheri, Amirhossein
name: Efroimsky, Michael
name: Castillo-Rogez, Julie
name: Goossens, Sander
name: Plesa, Ana-Catalina
name: Rambaux, Nicolas
name: Rhoden, Alyssa
name: Walterová, Michaela
name: Khan, Amir
name: Giardini, Domenico
Publisher: name: arXiv
Year: 2022
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Solid body tides provide key information on the interior structure, evolution, and origin of the planetary bodies. Our Solar system harbours a very diverse population of planetary bodies, including those composed of rock, ice, gas, or a mixture of all. While a rich arsenal of geophysical methods has been developed over several years to infer knowledge about the interior of the Earth, the inventory of tools to investigate the interiors of other Solar-system bodies remains limited. With seismic data only available for the Earth, the Moon, and Mars, geodetic measurements, including the observation of the tidal response, have become especially valuable and therefore, has played an important role in understanding the interior and history of several Solar system bodies. To use tidal response measurements as a means to obtain constraints on the interior structure of planetary bodies, appropriate understanding of the viscoelastic reaction of the materials from which the planets are formed is needed. Here, we review the fundamental aspects of the tidal modeling and the information on the present-day interior properties and evolution of several planets and moons based on studying their tidal response. We begin with an outline of the theory of viscoelasticity and tidal response. Next, we proceed by discussing the information on the tidal response and the inferred structure of Mercury, Venus, Mars and its moons, the Moon, and the largest satellites of giant planets, obtained from the analysis of the data that has been provided by space missions. We also summarise the upcoming possibilities offered by the currently planned missions.
title: Computed Tomography Volumetry in Preoperative Living Kidney Donor Assessment for Prediction of Split Renal Function
Creators: name: Wahba, Roger
name: Kleinert, Robert
name: Franke, Mareike
name: Hellmich, Martin
name: Cingöz, Tülay
name: Schmidt, Martin C.
name: Bangard, Christopher
name: Stippel, Dirk
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Background: Transplant centers commonly evaluate split renal function (SRF) with MAG3-scintigraphy (MAG3) in living kidney donation. Alternatively, the kidney volume can be measured based on pre-donation CT-scans. The aim of this study was to identify the most accurate CT-volumetry technique for SRF[for full text, please go to the a.m. URL]
description: 133. Kongress der Deutschen Gesellschaft für Chirurgie
Diagnostic and pathophysiological importance of endothelin and other cytokines in human heart failure
Creators: name: Denver., Rachel
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
The Batchelor--Howells--Townsend spectrum: three-dimensional case
Creators: name: Jolly, M. S.
name: Wirosoetisno, D.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Analysis of PDEs (math.AP)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 47A55, 60G99, 76F02

description: Given a velocity field $u(x,t)$, we consider the evolution of a passive tracer $θ$ governed by $\partial_tθ+ u\cdot\nablaθ= Δθ+ g$ with time-independent source $g(x)$. When $\|u\|$ is small in some sense, Batchelor, Howells and Townsend (1959, J.\ Fluid Mech.\ 5:134; henceforth BHT) predicted that the tracer spectrum scales as $|θ_k|^2\propto|k|^{-4}|u_k|^2$. Following our recent work for the two-dimensional case, in this paper we prove that the BHT scaling does hold probabilistically, asymptotically for large wavenumbers and for small enough random synthetic three-dimensional incompressible velocity fields $u(x,t)$. We also relaxed some assumptions on the velocity and tracer source, allowing finite variances for both and full power spectrum for the latter.
Compositional and temperature evolution of crystal structure of new thermoelectric compound LaOBiS2-xSex
Creators: name: Mizuguchi, Y.
name: Miura, A.
name: Nishida, A.
name: Miura, O.
name: Tadanaga, K.
name: Kumada, N.
name: Lee, C. H.
name: Magome, E.
name: Moriyoshi, C.
name: Kuroiwa, Y.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We examined the crystal structure of the new thermoelectric material LaOBiS2-xSex, whose thermoelectric performance is enhanced by Se substitution, by using powder synchrotron X-ray diffraction and Rietveld refinement. The emergence of metallic conductivity and enhancement of the thermoelectric power factor of LaOBiS2-xSex can be explained with the higher in-plane chemical pressure caused by the increase of Se concentration at the in-plane Ch1 site (Ch = S, Se). High-temperature X-ray diffraction measurements for optimally substituted LaOBiSSe revealed anomalously large atomic displacement parameters (Uiso) for Bi and Ch atoms in the BiCh2 conduction layers. The anisotropic analysis of the atomic displacement parameters (U11 and U33) for the in-plane Bi and Ch1 sites suggested that Bi atoms exhibit large atomic displacement along the c-axis direction above 300 K, which could be the origin of the low thermal conductivity in LaOBiSSe. The large Bi vibration along the c-axis direction could be related to in-plane rattling, which is a new strategy for attaining low thermal conductivity and phonon-glass-electron-crystal states.
description: 25 pages, 5 figures, 3 supplemental materials, version accepted in JAP
Corner transfer matrices for 2D strongly coupled many-body Floquet systems
Creators: name: Kukuljan, Ivan
name: Prosen, Tomaz
Publisher: name: arXiv
Year: 2015
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We develop, based on Baxter's corner transfer matrices, a renormalizable numerically exact method for computation of the level density of the quasi-energy spectra of two-dimensional (2D) locally interacting many-body Floquet systems. We demonstrate its functionality exemplified by the kicked 2D quantum Ising model. Using the method, we are able to treat the system of arbitrarily large finite size (for example 10000 x 10000 lattice). We clearly demonstrate that the density of Floquet quasi-energy spectrum tends to a flat function in the thermodynamic limit for generic values of model parameters. However, contrary to the prediction of random matrices of the circular orthogonal ensemble, the decay rates of the Fourier coefficients of the Floquet level density exhibit rich and non-trivial dependence on the system's parameters. Remarkably, we find that the method is renormalizable and gives thermodynamically convergent results only in certain regions of the parameter space where the corner transfer matrices have effectively a finite rank for any system size. In the complementary regions, the corner transfer matrices effectively become of full rank and the method becomes non-renormalizable. This may indicate an interesting phase transition from an area- to volume- law of entanglement in the thermodynamic state of a Floquet system.
description: 26 pages, 14 figures
title: Impact of Intraoperative Re-resection to Achieve R0 Status on Survival in Patients with Pancreatic Cancer: A Single Center Experience with 483 Patients
Creators: name: Nitschke, Philipp
name: Welsch, Thilo
name: Reißfelder, Christoph
name: Saeger, Hans-Detlev
name: Weitz, Jürgen
name: Rahbari, Nuh
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Background: Pancreatic cancer is still one of the deadliest malignancies with a five-year survival rate of less than 6%. Complete surgical resection remains the most promising option for cure. If the tumor can be removed completely (R0 resection) and no nodal spread is found, overall five-year [for full text, please go to the a.m. URL]
description: 133. Kongress der Deutschen Gesellschaft für Chirurgie
A New Non-Planetary Interpretation of the Microlensing Event OGLE-2013-BLG-0723
Creators: name: Han, Cheongho
name: Bennett, David P.
name: Udalski, Andrzej
name: Jung, Youn Kil
Publisher: name: arXiv
Year: 2016
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Recently, the discovery of a Venus-mass planet orbiting a brown-dwarf host in a binary system was reported from the analysis of the microlensing event OGLE-2013-BLG-0723. We reanalyze the event considering the possibility of other interpretations. From this, we find a new solution where the lens is composed of 2 bodies in contrast to the 3-body solution of the previous analysis. The new solution better explains the observed light curve than the previous solution with $Δχ^2\sim 202$, suggesting that the new solution is a correct model for the event. From the estimation of the physical parameters based on the new interpretation, we find that the lens system is composed of two low-mass stars with $\sim 0.2\ M_\odot$ and $\sim 0.1\ M_\odot$ and located at a distance $\sim 3$ kpc. The fact that the physical parameters correspond to those of the most common lens population located at a distance with a large lensing probability further supports the likelihood of the new interpretation. Considering that two dramatically different solutions can approximately explain the observed light curve, the event suggests the need of carefully testing all possible lens-system geometries.
description: 7 pages, 7 figures
title: Unteres Bodylift und HLT-Abdominoplastik: Maßnahmen zur Senkung des Risikos der Gabe von Blutersatzstoffen
Creators: name: Hänsel, Laura
name: Kisse, Bernd
name: Bormann, Christian
name: Hoch, Josef
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Einleitung: Blutverluste durch die postbariatrischen Eingriffe HLT- Abdominoplastik und unteres Bodylift stellen für Patienten ein erhebliches Risiko dar (Jones 2008, Agha-Mohammadi 2010, Monato-Pedroso 2013). Neben Kreislaufbeschwerden mit Müdigkeit und Schwindelgefühlen erhalten aktuellen[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 133. Kongress der Deutschen Gesellschaft für Chirurgie
Smoothing analysis of HLSII storage ring magnets
Creators: name: Wang, Wei
name: He, Xiao-Ye
name: Tang, Zheng
name: Yao, Qiu-Yang
Publisher: name: arXiv
Year: 2016
Subjects: subject: Accelerator Physics (physics.acc-ph)
subject: FOS: Physical sciences

description: In order to improve the quality and stability of synchrotron light, Hefei Light Source has a major upgrade. Higher accuracy is necessary for installation and alignment of the storage ring magnets. It is not necessarily essential that the magnets are positioned exactly. In fact, the aim is to adjust neighboring magnets with a high accuracy to one another; in other words, these neighboring magnets are positioned on a smoothing curve. The paper presents an attempt to develop a reliable smoothing method based on curve fitting of least squares and iteration according to the structure characteristics of HLSII. The method significantly reduces the adjusting amount and range of the storage ring magnets. It improves productivity by a factor of one times.
description: 5 pages,7 figures
The cosmic UV background and the beginning and end of star formation in simulated field dwarf galaxies
Creators: name: Pereira-Wilson, Matthew
name: Navarro, Julio
name: Benítez-Llambay, Alejandro
name: Santos-Santos, Isabel
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We use the APOSTLE cosmological simulations to examine the role of the cosmic UV background in regulating star formation (SF) in low-mass LCDM halos. In agreement with earlier work, we find that after reionization SF proceeds mainly in halos whose mass exceeds a redshift-dependent ``critical'' mass, Mcrit, set by the structure of the halos and by the thermal pressure of UV-heated gas. Mcrit increases from ~10^8 Msun at z~10 to Mcrit ~10^9.7 Msun at z=0, roughly following the average mass growth of halos in that mass range. This implies that halos well above or below critical at present have remained so since early times. Halos of luminous dwarfs today were already above-critical and star-forming at high redshift, explaining naturally the ubiquitous presence of ancient stellar populations in dwarfs, regardless of luminosity. The SF history of systems close to the critical boundary is more complex. SF may cease or reignite in dwarfs whose host halo falls below or climbs above the critical boundary, suggesting an attractive explanation for the episodic nature of SF in some dwarfs. Also, some subcritical halos today may have been above critical in the past; these systems should at present make up a sizable population of faint field dwarfs lacking ongoing star formation. Although few such galaxies are currently known, the discovery of this population would provide strong support for our results. Our work indicates that, rather than stellar feedback, it is the ionizing UV background and mass accretion history what regulates SF in the faintest dwarfs.
description: 12 pages, 12 figures. Accepted by MNRAS
title: Evaluation der Information über das Prostatakarzinom im Internet durch Vergleich mit den EAU guidelines
Creators: name: Rothbauer, C.
name: Breyer, J.
name: Borgmann, H.
name: Ludwig, B.
name: Dotzler, B.
name: Wolff, C.
name: Reimann, S.
name: Bründl, J.
name: Burger, M.
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Fragestellung: 68% der Patienten mit Prostatakarzinom informieren sich im Internet über ihre Erkrankung. Da die meisten von ihnen medizinische Laien sind, können sie die Qualität der Informationen in der Regel nicht ausreichend beurteilen. Qualitätszertifikate wie z.B. der HON-Code[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 42. Gemeinsame Tagung der Bayerischen Urologenvereinigung und der Österreichischen Gesellschaft für Urologie und Andrologie
title: Prostata-Fusionsbiopsie an einem Zuweiserzentrum
Creators: name: Durner, L.
name: Lang, R.
name: Mohandessi, B.
name: Oberneder, R.
name: Kriegmair, M.
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Fragestellung: Ist die Fusionsbiopsie in unserem Zentrum eine sichere und effektive Methode ein Prostatakarzinom (PCa) nachzuweisen? Methodik: Zwischen Juni 2015 und Dezember 2016 wurden 27 Patienten mit dem Verdacht auf PCa und positivem MRT-Befund (verschiedene Radiologen) in unserem Zentrum[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 42. Gemeinsame Tagung der Bayerischen Urologenvereinigung und der Österreichischen Gesellschaft für Urologie und Andrologie
Tensor products and the semi-Browder joint spectra
Creators: name: Boasso, Enrico
Publisher: name: arXiv
Year: 2016
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: Primary 47A13, 47A10, Secondary 47A80, 47B49

description: Given two complex Banach spaces $X_1$ and $X_2$, a tensor product of $X_1$ and $X_2$, $X_1\tilde{\otimes}X_2$, in the sense of J. Eschmeier ([5]), and two finite tuples of commuting operators, $S=(S_1,\ldots ,S_n)$ and $T=(T_1,\ldots ,T_m)$, defined on $X_1$ and $X_2$ respectively, we consider the $(n+m)$-tuple of operators defined on $X_1\tilde{\otimes}X_2$, $(S\otimes I,I\otimes T)= (S_1\otimes I,\ldots ,S_n\otimes I,I\otimes T_1,\ldots ,I \otimes T_m)$, and we give a description of the semi-Browder joint spectra introduced by V. Kordula, V. Müller and V. Rako$\check{c}$evi$\acute{ c}$ in [7] and of the split semi-Browder joint spectra (see section 3), of the $(n+m)$-tuple $(S\otimes I ,I\otimes T)$, in terms of the corresponding joint spectra of $S$ and $T$. This result is in some sense a generalization of a formula obtained for other various Browder spectra in Hilbert spaces and for tensor products of operators and for tuples of the form $(S\otimes I ,I\otimes T)$. In addition, we also describe all the mentioned joint spectra for a tuple of left and right multiplications defined on an operator ideal between Banach spaces in the sense of [5].
description: 17 pages, original research article
Glomerular ultrafiltration in rabbits with superficial glomeruli : the effects of endogenous vasoactive substances
Creators: name: Denton., Katherine Maude
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
In search of chiral magnetic effect: separating flow-driven background effects and quantifying anomaly-induced charge separations
Creators: name: Huang, Xu-Guang
name: Yin, Yi
name: Liao, Jinfeng
Publisher: name: arXiv
Year: 2015
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We report our recent progress on the search of Chiral Magnetic Effect (CME) by developing new measurements as well as by hydrodynamic simulations of CME and background effects, with both approaches addressing the pressing issue of separating flow-driven background contributions and possible CME signal in current heavy ion collision measurements.
description: Proceedings of Quark Matter 2015, (Sep. 27-Oct. 3, Kobe, Japan)
Bayesian regional moment tensor from ocean bottom seismograms recorded in the Lesser Antilles: Implications for regional stress field
Creators: name: Lindner, Mike
name: Rietbrock, Andreas
name: Bie, Lidong
name: Goes, Saskia
name: Collier, Jenny
name: Rychert, Catherine
name: Harmon, Nicholas
name: Hicks, Stephen P.
name: Henstock, Tim
name: group, the VoiLA working
Publisher: name: arXiv
Year: 2022
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: In this paper, we perform full-waveform regional moment tensor (RMT) inversions, to gain insight into the stress distribution along the Lesser Antilles arc. We developed a novel inversion approach, AmPhiB - Amphibious Bayesian, taking into account uncertainties associated with OBS deployments like the orientation of horizontal components and the high noise level. The inversion is conducted using a direct, uniform importance sampling of the fault parameters within a tree structure. We show that the alignment of the horizontal OBS components influences the obtained source mechanism when using standard least-squares (L2) RMT inversion schemes, resulting in systematic errors in the recovered focal mechanisms including high artificial CLVD contributions. AmPhiB reduces these CLVD components by nearly 60% and the aberration of the focal geometry as measured by the Kagan angle by around 40% relative to a standard L2 inversion. Subsequently, we obtain 45 (Mw > 3.8) regional MT solutions. Combining our new results with existing solutions, we subsequently analyze a total of 151 solutions in a FMC diagram and map them to the regional tectonic setting. We perform stress tensor inversions along the arc. On the plate interface, we observe a compressional stress regime and find evidence for upper-plate strike slip and normal fault behaviour in the north and a near arc-perpendicular extensional stress regime towards the south. A dominant slab perpendicular extensional stress regime is found in the slab at 100-200 km at the arcs center. We interpret this stress condition to be a result of slab pull varying along the arc due to partial slab detachment along previously hypothesized lateral slab tear near Grenada, at the southern end of the LA arc, leading to reactivation of preexisting structures around the subducted Proto-Caribbean ridge.
description: 27 pages of text, 13 figures, 2 tables; submitted for review to GJI