Change search
ReferencesLink to record
Permanent link

Direct link
Unified Phase Diagram for the Three-Dimensional XY Model of a Point    Disordered Type-II Superconductor
Umeå University, Faculty of Science and Technology, Physics.
University of Rochester, Rochester, NY.
2009 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, Vol. 79, no 21, 214503- p.Article in journal (Refereed) Published
Abstract [en]

We carry out extensive Monte Carlo simulations of the three-dimensional uniformly frustrated XY model with uncorrelated randomly perturbed couplings, as a model for the equilibrium behavior of an extreme type-II superconductor with quenched uncorrelated random point vortex pinning, in the presence of a uniform applied magnetic field. We map out the resulting phase diagram as a function of temperature T and pinning strength p for a fixed value of the vortex line density. At low p we find a sharp first-order vortex lattice melting phase boundary separating a vortex lattice from a vortex liquid. As p increases, it appears that this first-order transition smears out over a finite temperature interval due to the effects of the random pinning, in agreement with several recent experiments. At large p we find a second-order transition from vortex liquid to vortex glass.

Place, publisher, year, edition, pages
2009. Vol. 79, no 21, 214503- p.
National Category
Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-27027DOI: 10.1103/PhysRevB.79.214503OAI: diva2:275656
Available from: 2009-11-06 Created: 2009-11-06 Last updated: 2009-11-06

Open Access in DiVA

No full text

Other links

Publisher's full text

Search in DiVA

By author/editor
Olsson, Peter
By organisation
In the same journal
Physical Review B. Condensed Matter and Materials Physics
Condensed Matter Physics

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 40 hits
ReferencesLink to record
Permanent link

Direct link