Towards a field-theory interpretation of bottom-up holography
arXiv:1411.4051 · doi:10.1007/JHEP04(2015)033
Abstract
We investigate recent results for the electrical conductivity and the fermionic self-energy, obtained in a holographic bottom-up model for a relativistic charge-neutral conformal field theory. We present two possible field-theoretic derivations of these results, using either a semiholographic or a holographic point of view. In the semiholographic interpretation, we also show how, in general, the conductivity should be calculated in agreement with Ward identities. The resulting field-theory interpretation may lead to a better understanding of the holographic dictionary in applied AdS/CMT.
arXiv comment41 pages, 9 figures. v3: published version, typo corrected in eq on p. 8
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