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Robustd-Wave Pairing Correlations in the Heisenberg Kondo Lattice Model
2008
Physical Review Letters
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The Kondo lattice model enlarged by an antiferromagnetic coupling J_ AF between the localized spins is here investigated using computational techniques. Our results suggest the existence of a d-wave superconducting phase close to half-filling mediated by antiferromagnetic fluctuations. This establishes a closer connection between theory and heavy fermion experiments than currently provided by the standard Kondo lattice model with J_ AF=0.
doi:10.1103/physrevlett.100.146403
pmid:18518057
fatcat:vuqwnczv75axrbwzagxorcduxq