Quasiclassical theory of coherent charge transport into multi-band superconductorsстатья
Статья опубликована в высокорейтинговом журнале
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 6 февраля 2014 г.
Аннотация:We formulate quasiclassical theory of coherent charge transport in junctions involving multi-band Iron-Based Superconductors (FeBS),
explicitly taking into account complex excitation spectrum and unconventional nature of superconducting pairing in FeBS.
We perform calculations assuming intraorbital superconducting pairing in FeBS described by the $s_{\pm}$ model.
Further, taking into account that Fermi energy in FeBS is much larger than superconducting gaps, we formulate
the quasiclassical approximation. This formulation makes our theory suitable for straightforward numerical calculations
and more practical compared to previous approaches.
Based on this quasiclassical theory, we calculated the conductance of a junction between a single band normal metal and FeBS.