Pair breaking in iron pnictides

TitlePair breaking in iron pnictides
Publication TypeJournal Article
Year of Publication2009
AuthorsKogan VG
Journal TitlePhysical Review B
Volume80
Pages214532
Date Published12/01
ISBN Number1098-0121
Accession NumberISI:000273228200107
Keywordsanisotropic superconductors, barium compounds, bcs theory, impurities, specific heat, superconducting critical field, superconducting materials, superconducting transition temperature
Abstract

The puzzling features of the slopes of the upper critical field at the critical temperature T-c, H-c2(')(T-c)proportional to T-c, and of the specific heat jump Delta C proportional to T-c(3) of iron-pnictides are interpreted as caused by a strong pair-breaking.

URL<Go to ISI>://000273228200107
DOI10.1103/Physrevb.80.214532