Robust d-wave Pairing Correlations in the Heisenberg Kondo Lattice Model
classification
❄️ cond-mat.str-el
cond-mat.supr-con
keywords
kondolatticemodelantiferromagneticd-wavecloseclosercomputational
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The Kondo lattice model enlarged by an antiferromagnetic coupling $J_{\rm AF}$ 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 $J_{\rm AF}$=0.
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