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High Energy Physics - Theory

arXiv:1101.0597 (hep-th)
[Submitted on 3 Jan 2011]

Title:Holographic non-Fermi liquid fixed points

Authors:Thomas Faulkner, Nabil Iqbal, Hong Liu, John McGreevy, David Vegh
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Abstract:Techniques arising from string theory can be used to study assemblies of strongly-interacting fermions. Via this `holographic duality', various strongly-coupled many body systems are solved using an auxiliary theory of gravity. Simple holographic realizations of finite density exhibit single-particle spectral functions with sharp Fermi surfaces, of a form distinct from those of the Landau theory. The self-energy is given by a correlation function in an infrared fixed point theory which is represented by an AdS_2 region in the dual gravitational description. Here we describe in detail the gravity calculation of this IR correlation function.
This article is a contribution to a special issue of Phil. Trans. A on the normal state of the cuprates; as such, we also provide some review and context.
Comments: 28 pages, many figures
Subjects: High Energy Physics - Theory (hep-th)
Report number: MIT-CTP/4204
Cite as: arXiv:1101.0597 [hep-th]
  (or arXiv:1101.0597v1 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.1101.0597
Related DOI: https://doi.org/10.1098/rsta.2010.0354

Submission history

From: John McGreevy [view email]
[v1] Mon, 3 Jan 2011 20:49:27 UTC (1,492 KB)
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