On non-Fermi liquid quantum critical points in heavy fermion metals
arXiv:cond-mat/0604240 · doi:10.1016/j.aop.2006.04.010
Abstract
Heavy electron metals on the verge of a quantum phase transition to magnetism show a number of unusual non-fermi liquid properties which are poorly understood. This article discusses in a general way various theoretical aspects of this phase transition with an eye toward understanding the non-fermi liquid phenomena. We suggest that the non-Fermi liquid quantum critical state may have a sharp Fermi surface with power law quasiparticles but with a volume not set by the usual Luttinger rule. We also discuss the possibility that the electronic structure change associated with the possible Fermi surface reconstruction may diverge at a different time/length scale from that associated with magnetic phenomena.
arXiv comment16 pages, 2 figures. Proceedings of workshop on ``Mottness and Quantum Criticality", Tobago, West Indies, June 8-19 (2005), to appear in Annals of Physics
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Cited by in corpus (12)
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- Renormalization group method based on the ionization energy theory
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