期刊
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
卷 369, 期 1941, 页码 1640-1669出版社
ROYAL SOC
DOI: 10.1098/rsta.2010.0354
关键词
gauge/gravity duality; non-Fermi liquids; black holes
资金
- US Department of Energy (D.O.E.) [DE-FG0205ER41360]
- OJI
- National Science Foundation [NSF PHY05-51164]
- Alfred P. Sloan Fellowship
- Stanford Institute of Theoretical Physics
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 (AdS(2)) region in the dual gravitational description. Here, we describe in detail the gravity calculation of this IR correlation function.
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