Search results for "IRON BASED SUPERCONDUCTORS"

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Temperature and doping dependence of normal state spectral properties in a two-orbital model for ferropnictides

2016

Using a second-order perturbative Green's functions approach we determined the normal state single-particle spectral function $A(\vec{k},\omega)$ employing a minimal effective model for iron-based superconductors. The microscopic model, used before to study magnetic fluctuations and superconducting properties, includes the two effective tight-binding bands proposed by S.Raghu et al. [Phys. Rev. B 77, 220503 (R) (2008)], and intra- and inter-orbital local electronic correlations, related to the Fe-3d orbitals. Here, we focus on the study of normal state electronic properties, in particular the temperature and doping dependence of the total density of states, $A(\omega)$, and of $A(\vec{k},\o…

ELECTRONIC PROPERTIESCiencias FísicasARPES; Correlated electron systems; Electronic properties; Green's functions; Iron based superconductors; Normal state spectral properties; Physics and Astronomy (all)Iron based superconductorsFOS: Physical sciencesGeneral Physics and AstronomyAngle-resolved photoemission spectroscopy02 engineering and technologyElectronCorrelated electron systems01 natural sciencesSuperconductivity (cond-mat.supr-con)RenormalizationPhysics and Astronomy (all)Condensed Matter - Strongly Correlated Electronssymbols.namesakeAtomic orbitalGREEN'S FUNCTIONS0103 physical sciencesGreen's functions010306 general physicsSuperconductivityPhysicsStrongly Correlated Electrons (cond-mat.str-el)Condensed matter physicsIRON BASED SUPERCONDUCTORSCondensed Matter - SuperconductivityFermi levelARPES021001 nanoscience & nanotechnologyAstronomíaBrillouin zoneElectronic propertiesNORMAL STATE SPECTRAL PROPERTIESDensity of statessymbolsNormal state spectral propertiesCORRELATED ELECTRON SYSTEMS0210 nano-technologyCIENCIAS NATURALES Y EXACTASPhysics Letters A
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