Semi-Holographic Fermi Liquids

Details Semi-Holographic Fermi Liquids Semi-Holographic Fermi Liquids

2010-01-27

arxiv.org/abs/1001.5049v2

Physics

High Energy Physics

High Energy Physics - Theory

26 pages, 4 figures; v2: typos corrected and report number added

Scientific paper

We show that the universal physics of recent holographic non-Fermi liquid models is captured by a semi-holographic description, in which a dynamical boundary field is coupled to a strongly coupled conformal sector having a gravity dual. This allows various generalizations, such as a dynamical exponent and lattice and impurity effects. We examine possible relevant deformations, including multi-trace terms and spin-orbit effects. We discuss the matching onto the UV theory of the earlier work, and an alternate description in which the boundary field is integrated out.

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