Sine-Gordon description of Beresinskii-Kosterlitz-Thouless physics at finite magnetic field

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dc.creatorBenfatto, L.
dc.creatorCastellani, C.
dc.creatorGiamarchi, T.
dc.date2007-07-09
dc.date2007-10-25
dc.date.accessioned2026-07-07T08:48:28Z
dc.date.available2026-07-07T08:48:28Z
dc.descriptionThe Beresinskii-Kosterlitz-Thouless (BKT) physics of vortices in two-dimensional superconductors at finite magnetic field is investigated by means of a field-theoretical approach based on the sine-Gordon model. This description leads to a straightforward definition of the field-induced magnetization and shows that the persistence of non-linear effects at low fields above the transition is a typical signature of the fast divergence of the correlation length within the BKT theory.
dc.description4 pages, 2 figures, to appear on Physical Review Letters
dc.identifierhttps://arxiv.org/abs/0707.1271
dc.identifierhttp://arxiv.org/abs/0707.1271
dc.identifierPhys. Rev. Lett. 99, 207002 (2007)
dc.identifierdoi:10.1103/PhysRevLett.99.207002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/143959
dc.subjectSuperconductivity
dc.subjectStatistical Mechanics
dc.titleSine-Gordon description of Beresinskii-Kosterlitz-Thouless physics at finite magnetic field
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