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检索条件"机构=Department of Physics and Program in Applied and Computational Mathematics"
3218 条 记 录,以下是2901-2910 订阅
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Reversal of bacterial locomotion at an obstacle
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Physical Review E 2006年 第3期73卷 030901(R)-030901(R)页
作者: Luis Cisneros Christopher Dombrowski Raymond E. Goldstein John O. Kessler Department of Physics University of Arizona Tucson Arizona 85721 USA Program in Applied Mathematics University of Arizona Tucson Arizona 85721 USA BIO5 Institute University of Arizona Tucson Arizona 85721 USA
Recent experiments have shown large-scale dynamic coherence in suspensions of the bacterium B. subtilis, characterized by quorum polarity, collective parallel swimming of cells. To probe mechanisms leading to this, we... 详细信息
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Mechanism of enhanced broadening of the ionization level of Li outside transition metal surfaces
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Physical Review B 2006年 第11期74卷 115109-115109页
作者: Keith Niedfeldt Peter Nordlander Emily A. Carter Department of Mechanical and Aerospace Engineering and Program in Applied and Computational Mathematics Princeton University Princeton New Jersey 08544-5263 USA Department of Physics and Astronomy M.S. 61 Rice University P.O. Box 1892 6100 South Main Street Houston Texas 77251-1892 USA
We show that the d-band of a transition metal surface induces intra-atomic hybridization of an atom in its vicinity. It is demonstrated that such hybridization can have a profound influence on the resonance width and ...
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Self-assembly of the simple cubic lattice with an isotropic potential
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Physical Review E 2006年 第2期74卷 021404-021404页
作者: Mikael C. Rechtsman Frank H. Stillinger Salvatore Torquato Department of Physics Princeton University Princeton New Jersey 08544 USA Department of Chemistry Princeton University Princeton New Jersey 08544 USA Program in Applied and Computational Mathematics Princeton University Princeton New Jersey 08544 USA Princeton Institute for the Science and Technology Materials Princeton University Princeton New Jersey 08544 USA Princeton Center for Theoretical Physics Princeton University Princeton New Jersey 08544 USA
Conventional wisdom presumes that low-coordinated crystal ground states require directional interactions. Using our recently introduced optimization procedure to achieve self-assembly of targeted structures [M. C. Rec... 详细信息
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Dynamics of semiflexible polymers in a flow field
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Physical Review E 2006年 第4期74卷 041911-041911页
作者: Tobias Munk Oskar Hallatschek Chris H. Wiggins Erwin Frey Arnold Sommerfeld Center and Center for NanoScience Ludwig-Maximilians-Universität München Theresienstraße 37 80333 München Germany Lyman Laboratory of Physics Harvard University Cambridge Massachusetts 02138 USA Department of Applied Physics and Applied Mathematics and Center for Computational Biology and Bioinformatics Columbia University 500 West 120th Street New York New York 10027 USA
We present a method to investigate the dynamics of a single semiflexible polymer, subject to anisotropic friction in a viscous fluid. In contrast to previous approaches, we do not rely on a discrete bead-rod model, bu... 详细信息
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Spin-polarized surface states close to adatoms on Cu(111)
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Physical Review B 2006年 第4期73卷 045430-045430页
作者: B. Lazarovits L. Szunyogh P. Weinberger Center for Computational Materials Science Technical University Vienna A-1060 Gumpendorferstrasse 1.a. Vienna Austria Research Institute for Solid State Physics and Optics Hungarian Academy of Sciences Konkoly-Thege M. út 29-33 H-1121 Budapest Hungary Department of Theoretical Physics and Center for Applied Mathematics and Computational Physics Budapest University of Technology and Economics Budafoki út 8. H-1521 Budapest Hungary
We present a theoretical study of surface states close to 3d transition-metal adatoms (Cr, Mn, Fe, Co, Ni, and Cu) on a Cu(111) surface in terms of an embedding technique using the fully relativistic Korringa-Kohn-Ros...
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Collective coordinate control of density distributions
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Physical Review E 2006年 第3期74卷 031104-031104页
作者: Obioma U. Uche Salvatore Torquato Frank H. Stillinger Department of Chemical Engineering Princeton University Princeton New Jersey 08544 USA Department of Chemistry Princeton University Princeton New Jersey 08544 USA Princeton Institute for the Science and Technology of Materials Princeton University Princeton New Jersey 08544 USA Program in Applied & Computational Mathematics Princeton University Princeton New Jersey 08544 USA Princeton Center for Theoretical Physics Princeton University Princeton New Jersey 08544 USA
Real collective density variables C(k) [cf. Eq. (1.3)] in many-particle systems arise from nonlinear transformations of particle positions, and determine the structure factor S(k), where k denotes the wave vector. Our... 详细信息
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Effect of Spin-Orbit Interaction on a Magnetic Impurity in the Vicinity of a Surface
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Physical Review Letters 2006年 第6期96卷 067204-067204页
作者: L. Szunyogh G. Zaránd S. Gallego M. C. Muñoz B. L. Györffy Department of Theoretical Physics and Center for Applied Mathematics and Computational Physics Budapest University of Technology and Economics Budafoki út. 8 1521 Budapest Hungary Center for Computational Materials Science TU Vienna Getreidemarkt 9/134 A-1060 Vienna Austria Instituto de Ciencia de Materiales de Madrid Consejo Superior de Investigaciones Científicas Cantoblanco 28049 Madrid Spain H. H. Wills Physics Laboratory Bristol University Royal Fort Tyndall Avenue Bristol BS8 1TL United Kingdom
We propose a new mechanism for surface-induced magnetic anisotropy to explain the thickness dependence of the Kondo resistivity of thin films of dilute magnetic alloys. The surface anisotropy energy, generated by spin... 详细信息
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Partial Phase Synchronization for Multivariate Synchronizing Systems
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Physical Review Letters 2006年 第20期96卷 208103-208103页
作者: Björn Schelter Matthias Winterhalder Rainer Dahlhaus Jürgen Kurths Jens Timmer FDM Freiburg Center for Data Analysis and Modeling University of Freiburg Eckerstraße 1 79104 Freiburg Germany Bernstein Center for Computational Neuroscience Freiburg University of Freiburg Germany Physics Department University of Freiburg Hermann-Herder Straße 3 79104 Freiburg Germany Department of Applied Mathematics University of Heidelberg Im Neuenheimer Feld 294 69120 Heidelberg Germany Nonlinear Dynamics Group Institute of Physics University of Potsdam 14415 Potsdam Germany
Graphical models applying partial coherence to multivariate time series are a powerful tool to distinguish direct and indirect interdependencies in multivariate linear systems. We carry over the concept of graphical m... 详细信息
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B/T-ratios in the Hubble sequence
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Proceedings of the International Astronomical Union 2006年 第S235期2卷 36-38页
作者: Eija Laurikainen H. Salo R. Buta J. H. Knapen T. Speltincx D. L. Block Division of Astronomy/Dept. of Phys. Sci. Univ. of Oulu Finland email: eija.laurikainen@oulu.fi Department of Physics and Astronomy Univ. of Alabama USA Centre for Astrophysics Research Univ. of Hertfordshire UK School of Computational and Applied Mathematics Univ. of Witwatersrand
We discuss bulges in the Hubble sequence, based on the analysis of deep near-IR images for a sample of 216 nearby galaxies. Using a 2D multicomponent decomposition code, we find that the average bulge-to-total (B/T) f... 详细信息
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Ejected particle cluster detection algorithm and its application
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Jisuan Wuli/Chinese Journal of computational physics 2006年 第4期23卷 441-446页
作者: Zhang, Ying Chen, Qi-Feng Cao, Xiao-Lin Cai, Ling-Cang Chen, Dong-Quan Lu, Tie-Cheng Key Laboratory of Radiation Physics and Technology Department of Physics Sichuan University Chengdu 610064 China Laboratory for Shock Wave and Detonation Physics Research Institute of Fluid Physics Mianyang 621900 China State Key Laboratory of Computational Physics High Performance Computing Center Institute of Applied Physics and Computational Mathematics Beijing 100088 China
Based on the cluster multiple labeling technique, a novel cluster detection algorithm is presented as an analysis subroutine in two-and three-dimensional molecular dynamic simulations of ejecta that take place as a pl... 详细信息
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