Topological Defects in Moving Charge Density Waves and Flux Line Lattices

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概要

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• Transport phenomena of charge density waves and flux line lattices under quenched randomness are investigated based on the three-dimensional driven random-field XY model at zero temperature. We pay special attention to the role of topological defects, vortex loops, and find that loops are bounded in small region and its number density decreases exponentially with the driving force in relatively high velocity regime. That is, the system behaves as in thermal equilibrium state at temperature proportional to the inverse of the driving force.

• 理論物理学刊行会の論文
• 2005-04-30

著者

• YOSHINO Hajime

  Department of Earth and Space Science, Faculty of Science, Osaka University

• NOGAWA Tomoaki

  Department of Applied Physics, School of Engineering, The University of Tokyo

• Nogawa Tomoaki

  Department Of Applied Physics School Of Engineering The University Of Tokyo

• Yoshino Hajime

  Department Of Earth And Space Science Faculty Of Science Osaka University

• MATSUKAWA Hiroshi

  Department of Physics, College of Science and Engineering, Aoyama Gakuin University

• Matsukawa Hiroshi

  Department Of Biology School Of Education Waseda University

• NOGAWA Tomoaki

  Division of Physics, Graduate School of Science, Hokkaido University

• NOGAWA Tomoaki

  Department of Physics, School of Science, Osaka University

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