Small-q Phonon Mediated Unconventional Superconductivity in the Iron Pnictides

Aperis, A; Kotetes, P; Varelogiannis, G; Oppeneer, P

dc.contributor.author	Aperis, A	en
dc.contributor.author	Kotetes, P	en
dc.contributor.author	Varelogiannis, G	en
dc.contributor.author	Oppeneer, P	en
dc.date.accessioned	2014-03-01T01:58:07Z
dc.date.available	2014-03-01T01:58:07Z
dc.date.issued	2009	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/28645
dc.relation.uri	http://arxiv.org/abs/0911.1461	en
dc.subject	Experience Report	en
dc.subject	Fermi Surface	en
dc.subject	High Temperature Superconductor	en
dc.subject	Iron	en
dc.subject	Isotope Effect	en
dc.subject	Spin Fluctuation	en
dc.subject	Unconventional Superconductivity	en
dc.subject	Self Consistent	en
dc.title	Small-q Phonon Mediated Unconventional Superconductivity in the Iron Pnictides	en
heal.type	journalArticle	en
heal.publicationDate	2009	en
heal.abstract	We report self-consistent calculations of the gap symmetry for the iron-basedhigh-temperature superconductors using realistic small-q phonon mediatedpairing potentials and four-band energy dispersions. When both electron andhole Fermi surface pockets are present, we obtain the nodeless $s_\pm$ statethat was first encountered in a spin-fluctuations mechanism picture. Nodal gapstructures such as $d_{x^2-y^2}$ and $s_\pm+d_{x^2-y^2}$ and even a	en