Condensed Matter > Statistical Mechanics
[Submitted on 25 Jul 1998 (v1), last revised 18 Jan 1999 (this version, v3)]
Title:Vortex Loop Phase Transitions in Liquid Helium, Cosmic Strings, and High-T_c Superconductors
View PDFAbstract: The distribution of thermally excited vortex loops near a superfluid phase transition is calculated from a renormalized theory. The number density of loops with a given perimeter is found to change from exponential decay with increasing perimeter to algebraic decay as T_c is approached, in agreement with recent simulations of both cosmic strings and high-T_c superconductors. Predictions of the value of the exponent of the algebraic decay at T_c and of critical behavior in the vortex density are confirmed by the simulations, giving strong support to the vortex-folding model proposed by Shenoy.
Submission history
From: Gary A. Williams [view email][v1] Sat, 25 Jul 1998 06:57:22 UTC (16 KB)
[v2] Sat, 29 Aug 1998 22:48:48 UTC (16 KB)
[v3] Mon, 18 Jan 1999 03:36:44 UTC (17 KB)
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