Pairing symmetry and pairing state in ferropnictides: Theoretical overview

We review the main ingredients for an unconventional pairing state in the ferropnictides, with particular emphasis on interband pairing due to magnetic fluctuations. Summarizing the key experimental prerequisites for such pairing, the electronic structure and nature of magnetic excitations, we discu...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2009-05, Vol.469 (9), p.614-627
Main Authors: Mazin, I.I., Schmalian, J.
Format: Article
Language:English
Subjects:
Pnictides
Superconductivity and magnetism
Unconventional superconductivity
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Summary:We review the main ingredients for an unconventional pairing state in the ferropnictides, with particular emphasis on interband pairing due to magnetic fluctuations. Summarizing the key experimental prerequisites for such pairing, the electronic structure and nature of magnetic excitations, we discuss the properties of the s ± state that emerges as a likely candidate pairing state for these materials and survey experimental evidence in favor of and against this novel state of matter.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2009.03.019