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Просмотр по автору "Korshunov M."

Просмотр по автору "Korshunov M."

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  • Doping evolution of itinerant magnetic fluctuations in Fe-based pnictides 
    Korshunov M.; Eremin I. (2008)
    Employing the four-band tight-binding model, we study theoretically the doping dependence of the spin response in the normal state of novel Fe-based pnictide superconductors. We show that the commensurate spin density wave ...
  • Nonanalytic spin susceptibility of a fermi liquid: The case of Fe-based pnictides 
    Korshunov M.; Eremin I.; Efremov D.; Maslov D.; Chubukov A. (2009)
    We propose an explanation of the peculiar linear temperature dependence of the uniform spin susceptibility χ(T) in ferropnictides. We argue that the linear in T term appears to be due to the nonanalytic temperature dependence ...
  • Specific features of spin, charge, and orbital ordering in cobaltites 
    Ivanova N.; Ovchinnikov S.; Korshunov M.; Eremin I.; Kazak N. (2009)
    Complex cobalt oxides known as cobaltites are reviewed, including LnCoO3-based perovskite-structured rare-earth cobaltites (where Ln is lanthanum or a lanthanide), quasi-two-dimensional and quasi-one-dimensional cobaltites ...
  • Spin-orbit coupling in Fe-based superconductors 
    Korshunov M.; Togushova Y.; Eremin I.; Hirschfeld P. (2013)
    We study the spin resonance peak in recently discovered iron-based superconductors. The resonance peak observed in inelastic neutron scattering experiments agrees well with predicted results for the extended s-wave (s ±) ...
  • Theory of Raman response of a superconductor with extended s -wave symmetry: Application to the iron pnictides 
    Chubukov A.; Eremin I.; Korshunov M. (2009)
    We argue that Raman study of Fe-pnictides is a way to unambiguously distinguish between various superconducting gaps proposed for these materials. We show that A1g Raman intensity develops a true resonance peak below 2Δ ...
  • Three-orbital model for Fe-pnictides 
    Korshunov M.; Togushova Y.; Eremin I. (2013)
    We formulate and study the three-orbital model for iron-based superconductors. Results for the band structure, Fermi surface, and the spin susceptibility in both normal and superconducting s ± states are presented. We also ...

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