Direct Evidence of the Discontinuous Character of the Kosterlitz-Thouless Jump

dc.creatorMinnhagen, Petter
dc.creatorKim, Beom Jun
dc.date2003-04-10
dc.date.accessioned2026-07-07T02:50:43Z
dc.date.available2026-07-07T02:50:43Z
dc.descriptionIt is numerically shown that the discontinuous character of the helicity modulus of the two-dimensional XY model at the Kosterlitz-Thouless (KT) transition can be directly related to a higher order derivative of the free energy without presuming any {\it a priori} knowledge of the nature of the transition. It is also suggested that this higher order derivative is of intrinsic interest in that it gives an additional characteristics of the KT transition which might be associated with a universal number akin to the universal value of the helicity modulus at the critical temperature.
dc.description4 pages, to appear in PRB
dc.identifierhttps://arxiv.org/abs/cond-mat/0304226
dc.identifierhttp://arxiv.org/abs/cond-mat/0304226
dc.identifierPhys. Rev. B 67, 172509 (2003)
dc.identifierdoi:10.1103/PhysRevB.67.172509
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/21197
dc.subjectSuperconductivity
dc.titleDirect Evidence of the Discontinuous Character of the Kosterlitz-Thouless Jump
dc.typetext

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