Holographic non-Fermi-liquid fixed points
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Author(s)
Faulkner, Thomas
Iqbal, Nabil
Liu, Hong
McGreevy, John
Vegh, David
Date Issued
April 2011
Journal
Philosophical Transactions of The Royal Society A Mathematical Physical and Engineering Sciences
Publisher
Royal Society, The
Citation
Faulkner, T. et al. “Holographic non-Fermi-liquid fixed points.” Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 369.1941 (2011): 1640-1669.
Version
Author's final manuscript
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 (IR) fixed-point theory that is represented by a two-dimensional anti de Sitter space (AdS2) region in the dual gravitational description. Here, we describe in detail the gravity calculation of this IR correlation function.
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
Massachusetts Institute of Technology. Department of Physics
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Creative Commons Attribution-Noncommercial-Share Alike 3.0
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DOI of Published Version
https://doi.org/10.1098/rsta.2010.0354
