Universal conductivity and central charges
classification
✦ hep-th
cond-mat.str-el
keywords
conductivitycentralchargeuniversalboundschargesclasscomment
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We discuss a class of critical models in d>1+1 dimensions whose electrical conductivity and charge susceptibility are fixed by the central charge in a universal manner. We comment on possible bounds on conductivity, as suggested by holographic duality.
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