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Title: Relaxation and glassy dynamics in disordered type-II superconductors

Abstract

We study the nonequilibrium relaxation kinetics of interacting magnetic flux lines in disordered type II superconductors at low temperatures and low magnetic fields by means of a three-dimensional elastic-line model and Monte Carlo simulations. Investigating the vortex density and height autocorrelation functions as well as the flux-line mean-square displacement, we observe the emergence of glassy dynamics, caused by the competing effects of vortex pinning due to point defects and long-range repulsive interactions between the flux lines. Furthermore, our systematic numerical study allows us to carefully disentangle the associated different relaxation mechanisms and to assess their relative impact on the kinetics of dilute vortex matter at low temperatures.

Authors:
 [1];  [1]
  1. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
Publication Date:
Research Org.:
Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
OSTI Identifier:
1855156
Alternate Identifier(s):
OSTI ID: 1855164
Grant/Contract Number:  
FG02-09ER46613; SC0002308
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 84; Journal Issue: 17; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Pleimling, Michel, and Täuber, Uwe C. Relaxation and glassy dynamics in disordered type-II superconductors. United States: N. p., 2011. Web. doi:10.1103/physrevb.84.174509.
Pleimling, Michel, & Täuber, Uwe C. Relaxation and glassy dynamics in disordered type-II superconductors. United States. https://doi.org/10.1103/physrevb.84.174509
Pleimling, Michel, and Täuber, Uwe C. Fri . "Relaxation and glassy dynamics in disordered type-II superconductors". United States. https://doi.org/10.1103/physrevb.84.174509. https://www.osti.gov/servlets/purl/1855156.
@article{osti_1855156,
title = {Relaxation and glassy dynamics in disordered type-II superconductors},
author = {Pleimling, Michel and Täuber, Uwe C.},
abstractNote = {We study the nonequilibrium relaxation kinetics of interacting magnetic flux lines in disordered type II superconductors at low temperatures and low magnetic fields by means of a three-dimensional elastic-line model and Monte Carlo simulations. Investigating the vortex density and height autocorrelation functions as well as the flux-line mean-square displacement, we observe the emergence of glassy dynamics, caused by the competing effects of vortex pinning due to point defects and long-range repulsive interactions between the flux lines. Furthermore, our systematic numerical study allows us to carefully disentangle the associated different relaxation mechanisms and to assess their relative impact on the kinetics of dilute vortex matter at low temperatures.},
doi = {10.1103/physrevb.84.174509},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 17,
volume = 84,
place = {United States},
year = {Fri Nov 18 00:00:00 EST 2011},
month = {Fri Nov 18 00:00:00 EST 2011}
}

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