Kosterlitz-Thouless phase and continuous melting transition in layered superconductors immersed in a parallel magnetic field

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dc.creatorHu, Xiao
dc.creatorTachiki, Masashi
dc.date2002-11-27
dc.date2003-04-28
dc.date.accessioned2026-07-25T14:57:55Z
dc.descriptionB-T phase diagram and phase transitions of interlayer Josephson vortices are investigated. For magnetic fields above a critical value, we find a Kosterlitz-Thouless (KT) type intermediate phase characterized by in-plane two-dimensional, quasi long-range orders (QLROs) of vortex alignment and superconductivity. The transformation to high-temperature normal phase is a KT transition. The evolution to low-temperature phase of three-dimensional (3D) LRO of vortex alignment is a second-order phase transition in the 3D XY universality class. For low magnetic fields, a single first-order melting transition of the Josephson vortex lattice is observed. The present study therefore indicates a multicritical point in the B-T phase diagram.
dc.description6 pages, 7 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0211620
dc.identifierhttp://arxiv.org/abs/cond-mat/0211620
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/29898
dc.subjectSuperconductivity
dc.subjectStatistical Mechanics
dc.titleKosterlitz-Thouless phase and continuous melting transition in layered superconductors immersed in a parallel magnetic field
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