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dc.contributor.authorLi, D. P.en_US
dc.contributor.authorLin, P. -J.en_US
dc.contributor.authorRosenstein, B.en_US
dc.contributor.authorShapiro, B. Ya.en_US
dc.contributor.authorShapiro, I.en_US
dc.date.accessioned2014-12-08T15:15:26Z-
dc.date.available2014-12-08T15:15:26Z-
dc.date.issued2006-11-01en_US
dc.identifier.issn1098-0121en_US
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevB.74.174518en_US
dc.identifier.urihttp://hdl.handle.net/11536/11564-
dc.description.abstractA theory of structural transformations of the vortex lattice in a disordered fourfold symmetric type-II superconductor is constructed using two complementary descriptions of the vortex matter. At low temperatures we use a nonlocal London approach, while near H-c2(T) the lowest Landau level Ginzburg-Landau model with an asymmetric high derivative term is utilized. The quenched disorder influences the location of the square-to-rhombohedral structural transition line, the simplest transformation of that kind. In the clean case the slope of the line in the T-B plane is generally negative, as thermal fluctuations favor a more symmetric square lattice. We calculated the transition line in the presence of pinning and find that the disorder, which plays an important role in low-T-c materials, makes the slope positive, as has been observed in recent experiments.en_US
dc.language.isoen_USen_US
dc.titleInfluence of quenched disorder on the square-to-rhombohedral structural transformation of the vortex lattice of type-II superconductorsen_US
dc.typeArticleen_US
dc.identifier.doi10.1103/PhysRevB.74.174518en_US
dc.identifier.journalPHYSICAL REVIEW Ben_US
dc.citation.volume74en_US
dc.citation.issue17en_US
dc.citation.epageen_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.identifier.wosnumberWOS:000242409000124-
dc.citation.woscount4-
Appears in Collections:Articles