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Information metric and Euclidean Janus correspondence

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arxiv 1512.04735 v4 pith:I7QWKCMC submitted 2015-12-15 hep-th

classification hep-th
keywords janusdualeuclideaninformationmetriccftscorrespondencedescription
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We consider the quantum information metric of a family of CFTs perturbed by an exactly marginal operator, which has the dual description of the Euclidean Janus geometries. We first clarify its two dimensional case dual to the three dimensional Janus geometry, which recently appeared in arXiv:1507.07555. We generalize this correspondence to higher dimensions and get a precise agreement between the both sides. We also show that the mixed-state information metric of the same family of CFTs has a dual description in the Euclidean version of the Janus time-dependent black hole geometry.

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  1. Janus and RG-interfaces in minimal 3d gauged supergravity

    hep-th 2024-12 conditional novelty 6.0 of 10

    New numerical interface solutions in a minimal 3d supergravity model satisfy the proposed universal inequality between transmission and entanglement.

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