4.1 Article

Fermi surface evolution in the ensemble of spin-polarized quasiparticles in La2-x Sr x CuO4

Journal

JETP LETTERS
Volume 98, Issue 9, Pages 528-533

Publisher

MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0021364013220049

Keywords

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Funding

  1. Presidium of the Russian Academy of Sciences (program Quantum Mesoscopic and Disordered Structures)
  2. Russian Foundation for Basic Research [13-02-00909, 13-02-00523, 11-02-98007-Siberia]
  3. Dynasty Foundation

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For the spin-fermion model, it has been shown that the concept of spin polarons makes it possible to reproduce fine details of the Fermi surface evolution in the nodal direction of La2 - x Sr (x) CuO4 occurring with changes in the doping level x. The physics here is determined by the spin-correlated hopping of charge carriers and by the doping dependence of the inverse magnetic correlation length.

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