ar X iv : 1 10 1 . 05 97 v 1 [ he p - th ] 3 J an 2 01 1 Holographic non - Fermi liquid fixed points
نویسندگان
چکیده
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 singleparticle 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 AdS2 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.
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تاریخ انتشار 2011