Electronic susceptibilities in systems with anisotropic Fermi surfaces

Details Electronic susceptibilities in systems with anisotropic Fermi surfaces Electronic susceptibilities in systems with anisotropic Fermi surfaces

2002-04-22

arxiv.org/abs/cond-mat/0204477v1

Physics

Condensed Matter

Strongly Correlated Electrons

8 pages, 5 figures, revtex 4 style

Scientific paper

10.1103/PhysRevB.66.125104

The low temperature dependence of the spin and charge susceptibilities of an anisotropic electron system in two dimensions is analyzed. It is shown that the presence of inflection points at the Fermi surface leads, generically, to a $ T \log T $ dependence, and a more singular behavior, $\chi \sim T ^{3/4} \log T$, is also possible. Applications to quasi two-dimensional materials are discussed.

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