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Holographic Berezinskii-Kosterlitz-Thouless Transitions (1002.3159v1)
Published 17 Feb 2010 in hep-th and cond-mat.str-el
Abstract: We find the first example of a quantum Berenzinskii-Kosterlitz-Thouless (BKT) phase transition in two spatial dimensions via holography. This transition occurs in the D3/D5 system at nonzero density and magnetic field. At any nonzero temperature, the BKT scaling is destroyed and the transition becomes second order with mean-field exponents. We go on to conjecture about the generality of quantum BKT transitions in two spatial dimensions.
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