Pseudogap Effects in Heavy Fermions Close to a Quantum Phase Transition

Abstract

Neutron-scattering experiments on heavy fermions close to a magnetic quantum critical point are suggestive of an anomalous local dynamical spin susceptibility. The possibility that this anomaly arises due to a single-particle pseudogap is explored through a study of the Kondo model with a power-law density of states, a problem which exhibits a zero… (More)

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