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检索条件"机构=Department of Physics and Center for Scientific Computing and Visualization Research"
396 条 记 录,以下是1-10 订阅
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Strategies for simulating the time evolution of Hamiltonian lattice field theories
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Physical Review A 2025年 第2期111卷 022419-022419页
作者: Siddharth Hariprakash Neel S. Modi Michael Kreshchuk Christopher F. Kane Christian W. Bauer Center for Theoretical Physics and Department of Physics University of California Berkeley California 94720 USA Physics Division Lawrence Berkeley National Laboratory Berkeley California 94720 USA National Energy Research Scientific Computing Center (NERSC) Lawrence Berkeley National Laboratory Berkeley California 94720 USA Phasecraft Inc. Washington DC 20001 USA Department of Physics University of Arizona Tucson Arizona 85719 USA
Simulating the time evolution of quantum field theories given some Hamiltonian H requires developing algorithms for implementing the unitary operator e−iHt. A variety of techniques exist that accomplish this task, wit... 详细信息
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Polyp image segmentation based on improved planet optimization algorithm using reptile search algorithm
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Neural computing and Applications 2025年 第8期37卷 6327-6349页
作者: Abd Elaziz, Mohamed Al-qaness, Mohammed A. A. Al-Betar, Mohammed Azmi Ewees, Ahmed A. Department of Mathematics Faculty of Science Zagazig University Zagazig Egypt College of Physics and Electronic Information Engineering Zhejiang Normal University Jinhua321004 China Zhejiang Institute of Optoelectronics Jinhua321004 China Faculty of Computer Science and Engineering Galala University Suze435611 Egypt Ajman University Ajman346 United Arab Emirates College of Computing and Information Technology University of Bisha Bisha Saudi Arabia Department of Computer Damietta University Damietta Egypt Hourani Center for Applied Scientific Research Al-Ahliyya Amman University Amman Jordan
To recognize the potential for colon polyps to develop into cancer over time, early diagnosis is crucial for preventative healthcare. Timely identification significantly improves the prognosis and treatment outcomes f... 详细信息
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Surrogate modeling of gravitational waves microlensed by spherically symmetric potentials
arXiv
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arXiv 2025年
作者: Deka, Uddeepta Prabhu, Gopalkrishna Shaikh, Md Arif Kapadia, Shasvath J. Varma, Vijay Field, Scott E. International Centre for Theoretical Sciences Tata Institute of Fundamental Research Bangalore560089 India Inter-University Centre for Astronomy and Astrophysics Post Bag 4 Ganeshkhind Pune411007 India Department of Physics Vivekananda Satavarshiki Mahavidyalaya Vidyasagar University West Bengal Manikpara721513 India Department of Physics and Astronomy Seoul National University Seoul08826 Korea Republic of Department of Mathematics Center for Scientific Computing and Visualization Research University of Massachusetts DartmouthMA02747 United States
The anticipated observation of the gravitational microlensing of gravitational waves (GWs) promises to shed light on a host of astrophysical and cosmological questions. However, extracting the parameters of the lens f... 详细信息
来源: 评论
A semi-adaptive finite difference method for simulating two-sided fractional convection-diffusion quenching problems
arXiv
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arXiv 2025年
作者: Dong, Rumin Zhu, Lin Sheng, Qin Zhao, Bingxin School of Mathematics and Statistics Ningxia Key Laboratory of Interdisciplinary Mechanics and Scientific Computing Ningxia Basic Science Research Center of Mathematics Ningxia University Yinchuan750021 China Department of Mathematics Center for Astrophysics Space Physics and Engineering Research Baylor University WacoTX76798-7328 United States
This paper investigates quenching solutions of an one-dimensional, two-sided Riemann-Liouville fractional order convection-diffusion problem. Fractional order spatial derivatives are discretized using weighted averagi... 详细信息
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Quantifying anatomically-based in-silico electrocardiogram variability for cardiac digital twins
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Computers in Biology and Medicine 2025年 189卷 109930-109930页
作者: Zappon, Elena Gsell, Matthias A.F. Gillette, Karli Plank, Gernot Division of Biophysics and Medical Physics Gottfried Schatz Research Center Medical University of Graz Graz Austria Scientific Computing and Imaging Institute University of Utah SLC UT United States Department of Biomedical Engineering University of Utah SLC UT United States BioTechMed-Graz Graz Austria
Human cardiac Cardiac digital twins (CDTs) are digital replicas of patient hearts, designed to match clinical observations precisely. The electro-cardiogram (ECG), as the most common non-invasive electrophysiology (EP... 详细信息
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Surrogate modeling of gravitational waves microlensed by spherically symmetric potentials
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Physical Review D 2025年 第10期111卷 104042-104042页
作者: Uddeepta Deka Gopalkrishna Prabhu Md Arif Shaikh Shasvath J. Kapadia Vijay Varma Scott E. Field International Centre for Theoretical Sciences Tata Institute of Fundamental Research Bangalore 560089 India Inter-University Centre for Astronomy and Astrophysics Post Bag 4 Ganeshkhind Pune 411007 India Department of Physics Vivekananda Satavarshiki Mahavidyalaya (affiliated to Vidyasagar University) Manikpara 721513 West Bengal India Department of Physics and Astronomy Seoul National University Seoul 08826 South Korea Department of Mathematics Center for Scientific Computing and Visualization Research University of Massachusetts Dartmouth Dartmouth Massachusetts 02747 USA
The anticipated observation of the gravitational microlensing of gravitational waves (GWs) promises to shed light on a host of astrophysical and cosmological questions. However, extracting the parameters of the lens f...
来源: 评论
Superconvergent Discontinuous Galerkin Method for the Scalar Teukolsky Equation on Hyperboloidal Domains: Efficient Waveform and Self-Force Computation
arXiv
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arXiv 2025年
作者: Vishal, Manas Field, Scott E. Gottlieb, Sigal Ryan, Jennifer Department of Mathematics University of Massachusetts DartmouthMA02747 United States Department of Physics University of Massachusetts DartmouthMA02747 United States Center for Scientific Computing and Data Science Research University of Massachusetts DartmouthMA02747 United States Department of Mathematics KTH Royal Institute of Technology Stockholm Sweden
The long-time evolution of extreme mass-ratio inspiral systems requires minimal phase and dispersion errors to accurately compute far-field waveforms, while high accuracy is essential near the smaller black hole (mode... 详细信息
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Exact block encoding of imaginary time evolution with universal quantum neural networks
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Physical Review research 2025年 第1期7卷 013306-013306页
作者: Ermal Rrapaj Evan Rule National Energy Research Scientific Computing Center Lawrence Berkeley National Laboratory Berkeley California 94720 USA Department of Physics University of California Berkeley California 94720 USA RIKEN iTHEMS Wako Saitama 351-0198 Japan Theoretical Division Los Alamos National Laboratory Los Alamos New Mexico 87545 USA
We develop a constructive approach to generate quantum neural networks capable of representing the exact thermal states of all many-body qubit Hamiltonians. The Trotter expansion of the imaginary time propagator is im... 详细信息
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Surrogate model for gravitational wave signals from comparable and large-mass-ratio black hole binaries
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Physical Review D 2020年 第8期101卷 081502(R)-081502(R)页
作者: Nur E. M. Rifat Scott E. Field Gaurav Khanna Vijay Varma Department of Physics and Center for Scientific Computing and Visualization Research University of Massachusetts Dartmouth Massachusetts 02747 USA Department of Mathematics and Center for Scientific Computing and Visualization Research University of Massachusetts Dartmouth Massachusetts 02747 USA Theoretical Astrophysics California Institute of Technology Pasadena California 91125 USA
Gravitational wave signals from compact astrophysical sources such as those observed by LIGO and Virgo require a high-accuracy, theory-based waveform model for the analysis of the recorded signal. Current inspiral-mer... 详细信息
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Testing eccentric corrections to the radiation-reaction force in the test-mass limit of effective-one-body models
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Physical Review D 2025年 第4期111卷 044036-044036页
作者: Guglielmo Faggioli Maarten van de Meent Alessandra Buonanno Aldo Gamboa Mohammed Khalil Gaurav Khanna Max Planck Institute for Gravitational Physics (Albert Einstein Institute) Am Mühlenberg 1 Potsdam 14476 Germany Niels Bohr International Academy Niels Bohr Institute Blegdamsvej 17 2100 Copenhagen Denmark Department of Physics University of Maryland College Park Maryland 20742 USA Perimeter Institute for Theoretical Physics 31 Caroline Street North Waterloo Ontario N2L 2Y5 Canada Department of Physics and Center for Computational Research University of Rhode Island Kingston Rhode Island 02881 USA Department of Physics University of Massachusetts Dartmouth Massachusetts 02747 USA Center for Scientific Computing and Data Science Research University of Massachusetts Dartmouth Massachusetts 02747 USA
In this work, we test an effective-one-body radiation-reaction force for eccentric planar orbits of a test mass in a Kerr background, which contains third-order post-Newtonian (PN) nonspinning and second-order PN spin...
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