搜索结果: 1-10 共查到“凝聚态物理学 vortex”相关记录10条 . 查询时间(0.109 秒)
Vortex density waves and negative absolute resistance in patterned superconductors
Vortex density waves negative absolute resistance patterned superconductors
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2010/11/24
We report the observation of self-assembled density waves of vortices driven in a uperconducting film with a periodic array of cross-shaped obstacles. By performing a series of numerical simulations,w...
Size and Dynamics of Vortex Dipoles in Dilute Bose-Einstein Condensates
Size Dynamics of Vortex Dipoles Dilute Bose-Einstein Condensates
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2010/11/18
Recently, Freilich et al. [Science 329, 1182 (2010)] experimentally discovered stationary states of vortex dipoles, pairs of vortices of opposite circulation, in dilute Bose–Einstein condensates.To ex...
Impact of anisotropy on vortex clusters and their dynamics
Impact of anisotropy vortex clusters their dynamics
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2010/11/25
We investigate the e ects of anisotropy on the stability and dynamics of vortex cluster states
which arise in Bose-Einstein condensates. Suciently strong anisotropies are shown to stabilize states w...
Synthetic magneto-hydrodynamics in Bose-Einstein condensates and routes to vortex nucleation
Synthetic magneto-hydrodynamics Bose-Einstein condensates routes to vortex nucleation
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2010/11/24
Engineering of synthetic magnetic ux in Bose-Einstein condensates [Lin et al., Nature 462, 628
(2009)] has prospects for attaining the high vortex densities necessary to emulate the fractional quantu...
Instability and Vortex Rings Dynamics in a Three-Dimensional Superfluid Flow Through a Constriction
Instability Vortex Rings Three-Dimensional Superfluid Flow
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2010/11/25
We study the instability of a superfluid flow through a constriction in three spatial dimensions.We consider a Bose-Einstein condensate at zero temperature in two different geometries: a straight wave...
Effect of an columnar defect on vortex configuration in a superconducting mesoscopic sample
Ginzburg-Landau columnar defect Mesoscopics samples Superconducting
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2010/7/8
In this work we investigate the vortex dynamics in a square mesoscopic superconducting cylinder in the presence of an applied magnetic field parallel to its axis. The rectangular cross-section of the ...
Topological Structure of Knotted Vortex Lines in Liquid Crystals
knotted vortex lines liquid crystals Chern-Simons action branch processes
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2007/8/15
2007Vol.47No.6pp.1129-1134DOI:
Topological Structure of Knotted Vortex Lines in Liquid Crystals
DUAN Yi-Shi, ZHAO Li, and ZHANG Xin-Hui
Institute of Theoretical Physics,...
Topological Structure of Phase Vortex in Resonating Valence Bond
Superconductivity
Ψ-mapping theory phase vortex GL-equation RVB superconductivity
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2007/8/15
2006Vol.46No.1pp.33-36DOI:
Topological Structure of Phase Vortex in Resonating Valence Bond
Superconductivity
SHI Xu-Guang1 and DUAN Yi-Shi2
1 College of Basic Science a...
Distribution of Circles on a Circle and Correlation Between Vortex Rings of Superfluids
Superfluid vortex vortex rings vortex pattern circles on a circle
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2010/4/9
Superfluids are characterized by absence of viscosity. When superfluids are rotated, differently from normal fluids, they form more than one vortex in the containers where they are placed. The number ...
87Rb NMR Relaxation and Vortex Dynamics in Rb3C60
87Rb NMR superconducting Vortex Dynamics
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2010/4/15
87Rb NMR relaxation measurements in superconducting fullerene Rb3C60 for various values of the external field are reported. In the normal state the results are in agreement with T1T= Constant. Below T...