Probing AdS Wormholes by Entanglement Entropy

Details Probing AdS Wormholes by Entanglement Entropy Probing AdS Wormholes by Entanglement Entropy

2011-04-26

arxiv.org/abs/1104.4907v2

Physics

High Energy Physics

High Energy Physics - Theory

17 pages, 6 figures, v2: references added

Scientific paper

In this paper, we study the Lorentzian AdS wormhole solutions constructed in arXiv:0808.2481 [hep-th]. Each of them is a classical solution interpolating between an AdS space and a flat space in type IIB supergravity. We calculate the holographic entanglement entropy to probe this geometry. Our analysis shows that there exits a mass gap in its holographic dual gauge theory and that the entanglement between the two boundaries is rather suppressed than that we naively expect for wormholes. We also examine the holographic conductivity on a probe D-brane in this spacetime.

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