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检索条件"机构=Physics Department and Program in Applied and Computational Mathematics"
3203 条 记 录,以下是571-580 订阅
排序:
Good plasmons in a bad metal
arXiv
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arXiv 2024年
作者: Ruta, Francesco L. Shao, Yinming Acharya, Swagata Mu, Anqi Jo, Na Hyun Ryu, Sae Hee Balatsky, Daria Pashov, Dimitar Kim, Brian S.Y. Katsnelson, Mikhail I. Analytis, James G. Rotenberg, Eli Millis, Andrew J. van Schilfgaarde, Mark Basov, D.N. Department of Physics Columbia University New York United States Department of Applied Physics and Applied Mathematics Columbia University New York United States National Renewable Energy Laboratory GoldenCO United States Advanced Light Source E.O. Lawrence Berkeley National Laboratory BerkeleyCA United States Department of Chemistry University of California BerkeleyCA United States Department of Physics University of California BerkeleyCA United States Theory and Simulation of Condensed Matter King’s College London London United Kingdom Department of Mechanical Engineering Columbia University New York United States Institute for Molecules and Materials Radboud University Nijmegen Netherlands Center for Computational Quantum Physics Flatiron Institute New York United States
Correlated materials may exhibit unusually high resistivity increasing linearly in temperature (1), breaking through the Mott-Ioffe-Regel bound, above which coherent quasiparticles are destroyed (2). The fate of colle... 详细信息
来源: 评论
Multiple scales analysis of a nonlinear timestepping instability in simulations of solitons
arXiv
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arXiv 2024年
作者: Hyatt, Benjamin A. Lecoanet, Daniel Anders, Evan H. Burns, Keaton J. Department of Engineering Sciences and Applied Mathematics Northwestern University EvanstonIL60208 United States Center for Interdisciplinary Exploration and Research in Astrophysics Northwestern University EvanstonIL60201 United States Kavli Institute for Theoretical Physics University of California Santa Barbara Santa BarbaraCA93106 United States Department of Mathematics Massachusetts Institute of Technology CambridgeMA02139 United States Center for Computational Astrophysics Flatiron Institute New YorkNY10010 United States
The susceptibility of timestepping algorithms to numerical instabilities is an important consideration when simulating partial differential equations (PDEs). Here we identify and analyze a pernicious numerical instabi... 详细信息
来源: 评论
Quantum embedding methods for correlated excited states of point defects: Case studies and challenges
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Physical Review B 2022年 第23期105卷 235104-235104页
作者: Lukas Muechler Danis I. Badrtdinov Alexander Hampel Jennifer Cano Malte Rösner Cyrus E. Dreyer Center for Computational Quantum Physics Flatiron Institute 162 5th Avenue New York New York 10010 USA Theoretical Physics and Applied Mathematics Department Ural Federal University 620002 Yekaterinburg Russia Department of Physics and Astronomy Stony Brook University Stony Brook New York 11794-3800 USA Institute for Molecules and Materials Radboud University Heijendaalseweg 135 6525 AJ Nijmegen Netherlands
A quantitative description of the excited electronic states of point defects and impurities is crucial for understanding materials properties, and possible applications of defects in quantum technologies. This is a co... 详细信息
来源: 评论
Magnetic octupole moment of Yb173 using collinear laser spectroscopy
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Physical Review A 2021年 第3期103卷 032826-032826页
作者: R. P. de Groote S. Kujanpää Á. Koszorús J. G. Li I. D. Moore Department of Physics University of Jyväskylä PB 35(YFL) FIN-40351 Jyväskylä Finland Department of Physics University of Liverpool Liverpool L69 7ZE United Kingdom Institute of Applied Physics and Computational Mathematics Beijing 100088 China
The hyperfine constants of the 4f146s6pP2o3 state in neutral Yb have been measured using three different dipole transitions. This state was recently shown to have a comparatively large hyperfine magnetic octupole spli... 详细信息
来源: 评论
A self-induced mechanism of large-scale helical structures in compressible turbulent flows
arXiv
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arXiv 2024年
作者: Yan, Zheng Wang, Jianchun Wang, Lifeng Lei, Zhu Wu, Junfeng Duan, Junyi Tong, Fulin Li, Xinliang Yu, Changping Institute of Applied Physics and Computational Mathematics Beijing100094 China Department of Mechanics and Aerospace Engineering Southern University of Science and Technology Guangdong Shenzhen518055 China Center for Applied Physics and Technology HEDPS Peking University Beijing100871 China LHD Institute of Mechanics Chinese Academy of Sciences Beijing100190 China School of Engineering Science University of Chinese Academy of Sciences Beijing100049 China State Key Laboratory of Aerodynamics China Aerodynamics Research and Development Center Mianyang621000 China
A novel self-sustaining mechanism is proposed for large-scale helical structures in compressible turbulent flows. The existence of two channels of subgrid-scale and viscosity terms for large-scale helicity evolution i... 详细信息
来源: 评论
Atomic Rydberg-state excitation in strong spatially inhomogeneous fields
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Physical Review A 2023年 第3期107卷 033104-033104页
作者: Shilin Hu Xiaopeng Yi Li Guo Chengrui Bi Jing Chen Guangdong Provincial Key Laboratory of Quantum Metrology and Sensing & School of Physics and Astronomy Sun Yat-Sen University (Zhuhai Campus) Zhuhai 519082 China Institute of Applied Physics and Computational Mathematics P. O. Box 8090 Beijing 100088 China Department of Physics Shanghai Normal University Shanghai 200234 China Department of Modern Physics and Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences University of Science and Technology of China Hefei 230026 China Shenzhen Key Laboratory of Ultraintense Laser and Advanced Material Technology Center for Advanced Material Diagnostic Technology and College of Engineering Physics Shenzhen Technology University Shenzhen 518118 China
We investigated the Rydberg-state excitation process of a hydrogen atom subjected to spatially homogeneous and inhomogeneous laser fields by means of ab initio calculations. It is found that, comparing with atoms expo... 详细信息
来源: 评论
Emergent conformal boundaries from finite-entanglement scaling in matrix product states
arXiv
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arXiv 2023年
作者: Huang, Rui-Zhen Zhang, Long Läuchli, Andreas M. Haegeman, Jutho Verstraete, Frank Vanderstraeten, Laurens Department of Physics and Astronomy University of Ghent Belgium Kavli Institute for Theoretical Sciences CAS Center for Excellence in Topological Quantum Computation University of Chinese Academy of Sciences Beijing100190 China Laboratory for Theoretical and Computational Physics Paul Scherrer Institute Villigen Switzerland Lausanne Switzerland Department of Applied Mathematics and Theoretical Physics University of Cambridge United Kingdom Center for Nonlinear Phenomena and Complex Systems Université Libre de Bruxelles Belgium
The use of finite entanglement scaling with matrix product states (MPS) has become a crucial tool for studying one-dimensional critical lattice theories, especially those with emergent conformal symmetry. We argue tha... 详细信息
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Composite B-Spline Regularized Delta Functions for the Immersed Boundary Method: Divergence-Free Interpolation and Gradient-Preserving Force Spreading
arXiv
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arXiv 2024年
作者: Gruninger, Cole Griffith, Boyce E. Department of Mathematics University North Carolina Chapel HillNC United States Department of Applied Physical Sciences University of North Carolina Chapel HillNC United States Department of Biomedical Engineering University of North Carolina Chapel HillNC United States Carolina Center for Interdisciplinary Applied Mathematics University of North Carolina Chapel HillNC United States Computational Medicine Program University of North Carolina School of Medicine Chapel HillNC United States McAllister Heart Institute University of North Carolina School of Medicine Chapel HillNC United States
This paper presents an approach to enhance volume conservation in the immersed boundary (IB) method by employing regularized delta functions derived from composite B-splines. These delta functions are constructed usin... 详细信息
来源: 评论
Rayleigh-Taylor instability under multi-mode perturbation: discrete Boltzmann modeling with tracers
arXiv
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arXiv 2022年
作者: Li, Hanwei Xu, Aiguo Zhang, Ge Shan, Yiming Laboroatory of Computational Physics Institute of Applied Physics and Computational Mathematics Beijing100088 China Center for Applied Physics and Technology MOE Key Center for High Energy Density Physics Simulations College of Engineering Peking University Beijing100871 China State Key Laboratory of Explosion Science and Technology Beijing Institute of Technology Beijing100081 China Energy Resources Engineering Department Stanford University 367 Panama St StanfordCA94305-2220 United States
The Rayleigh-Taylor Instability (RTI) under multi-mode perturbation in compressible flow is probed via the Discrete Boltzmann Modeling (DBM) with tracers. The distribution of tracers provides clear boundaries between ... 详细信息
来源: 评论
Scaling limits of external multi-particle DLA on the plane and the supercooled stefan problem
arXiv
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arXiv 2021年
作者: Nadtochiy, Sergey Shkolnikov, Mykhaylo Zhang, Xiling Department of Applied Mathematics Illinois Institute of Technology ChicagoIL60616 United States ORFE Department Bendheim Center for Finance Program in Applied & Computational Mathematics Princeton University PrincetonNJ08544 United States
We consider (a variant of) the external multi-particle diffusion-limited aggregation (MDLA) process of Rosenstock and Marquardt on the plane. Based on the recent findings of [11], [10] in one space dimension it is nat... 详细信息
来源: 评论