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Specific heat and upper critical field in KFe2As2 single crystals
M. Abdel-Hafiez, S. Aswartham, S. Wurmehl +6
We report low-temperature specific heat measurements for high-quality single crystalline KFe2As2 (T_c about 3.5 K). The investigated zero-field specific heat data yields an unusual…
Gutzwiller theory of band magnetism in LaOFeAs
Tobias Schickling, Florian Gebhard, Jörg Bünemann +3
We use the Gutzwiller variational theory to calculate the ground-state phase diagram and quasi-particle bands of LaOFeAs. The Fe3d--As4p Wannier-orbital basis obtained from density…
Extended Drude model and role of interband transitions in the mid-infrared spectra of pnictides
L. Benfatto, E. Cappelluti, L. Ortenzi +1
We analyze the outcomes of an extended-Drude-model approach to the optical spectra of pnictides, where the multiband nature of the electronic excitations requires a careful analysi…
Vibrational spectrum and electron-phonon coupling of doped solid picene from first principles
Alaska Subedi, Lilia Boeri
We study superconductivity in doped solid picene (C22H14) with linear response calculations of the phonon spectrum and electron-phonon (ep) interaction. We show that the coupling o…