Stability of the Fulde-Ferrell-Larkin-Ovchinnikov phase in CeCoIn₅:
The role of spin-dependent masses of quasiparticles

Jan Kaczmarczyk

Jagiellonian University, Institute of Physics, Condensed Matter Theory Department, Cracow, Poland

Spin dependent masses of quasiparticles have been recently observed in CeCoIn5 i.e. in the system, in which the FFLO superconducting state appears. In the poster we present our results of calculations concerning the superconducting state in an applied magnetic field with spin-dependent masses of quasiparticles. Our results are compared with the experiment for CeCoIn5 and show that the role of the mass spin dependence is essential.

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