Fermi liquid near a quantum critical point

Details Fermi liquid near a quantum critical point Fermi liquid near a quantum critical point

2006-09-14

arxiv.org/abs/cond-mat/0609343v2

Physics

Condensed Matter

Strongly Correlated Electrons

subleading contribution Eq.(35,36) corrected, references updated

Scientific paper

We investigate the approach to the quantum critical point of a Pomeranchuk instability from the symmetric, disordered side of the phase diagram. In the low-temperature limit, a Fermi liquid description of the metal is possible and becomes exact for T -> 0. We discuss in detail which features of the approach to quantum criticality can be captured within Fermi liquid theory and which are outside of its scope.

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