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Correlation-drivend-wave superconductivity in Anderson lattice model: Two gaps

Marcin M. Wysokiński, Jan Kaczmarczyk, Józef Spałek
2016 Physical review B  

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2015 pre-print arXiv:1510.00224v1 fatcat:7vgyqhjsr5favlxkd7x6naq6tm
We present the full Gutzwiller-wave-function solution of the Anderson lattice model in two dimensions that leads to the correlation-driven multigap superconducting (SC) ground state with the dominant d_x^2-y^2-wave symmetry. The results are consistent with the principal properties of the heavy-fermion superconductor CeCoIn_5. We regard the pairing mechanism as universal and thus applicable to other Ce-based heavy-fermion compounds. Additionally, a gain in kinetic energy in the SC state takes
more » ... ce, as is also the case for high-temperature superconductors.
doi:10.1103/physrevb.94.024517 fatcat:syu54gbdwngivjd6nfoikomocy
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Marcin M. Wysokiński, Jan Kaczmarczyk, Józef Spałek. "Correlation-drivend-wave superconductivity in Anderson lattice model: Two gaps." Physical review B 94.2 (2016)