Impure AdS/CFT correspondence
作者： Sean A. Hartnoll , Christopher P. Herzog
DOI: 10.1103/PHYSREVD.77.106009
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摘要: We study momentum relaxation due to dilute, weak impurities in a strongly coupled CFT, truncation of the M2 brane theory. Using AdS/CFT correspondence, we compute time scale as function background magnetic field B and charge density {rho}. The theory admits two different types impurities. find that for impurities, impurity is suppressed by or For electric an underlying instability toward ordered phase, inverse increases dramatically near {radical}(B{sup 2}+{rho}{sup 2}/{sigma}{sub 0}{sup 2}){approx}21T{sup 2}. Nernst response impure theory, comment on similarities with recent measurements superconductors.
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