Possible Realization of Odd Frequency Pairing in Heavy Fermion Compounds
P. Coleman, E. Miranda, A. Tsvelik
Abstract
Using Majorana Fermions to represent spins we re-examine the Kondo Lattice model for heavy fermions. The simplest decoupling procedure provides a realization of odd frequency superconductivity, with resonant pairing and surfaces of gap zeros. Spin and charge coherence factors vanish linearly with the energy on the Fermi surface, predicting a linear specific heat, but a T3 NMR relaxation rate. Possible application to heavy fermions is suggested.
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