Classification of the Super-conducting order parameters under the point group symmetry for a multi-band system: application to LaOFeAs
Superconductivity
2008-05-07 v1 Strongly Correlated Electrons
Abstract
All the possible super-conducting order parameters for the LaOFeAs system are classified by their transformation under the complete crystal symmetry. The general forms of the super-conducting gap functions for each class are discussed. We find that the gap functions in such a multi-band system belong to three types, full gap, nodal type and finite {}``Fermi arc'' type. Possible physical consequences caused by different types of gap functions are also discussed.
Keywords
Cite
@article{arxiv.0805.0736,
title = {Classification of the Super-conducting order parameters under the point group symmetry for a multi-band system: application to LaOFeAs},
author = {Zhi-Hui Wang and Hui Tang and Zhong Fang and Xi Dai},
journal= {arXiv preprint arXiv:0805.0736},
year = {2008}
}
Comments
12 pages, 1 figure