Possible Realization of Odd Frequency Pairing in Heavy Fermion Compounds

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 $T^3$ NMR relaxation rate. Possible application to heavy fermions is suggested.

14 pages

References in corpus (1)

• New Fermionic Description of Quantum S = 1/2 Antiferromargnet

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