Holographic entanglement entropy from probe M-theory branes

DOI10.1007/JHEP03(2019)092zbMATH Open1414.81187arXiv1811.12375OpenAlexW2903299729MaRDI QIDQ2421102

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Publication date: 8 June 2019

Published in: (Search for Journal in Brave)

Abstract: We compute the holographic entanglement entropy contribution from planar two-dimensional defects in six-dimensional $mathcalN=(2,0)$ superconformal field theory, holographically dual to probe M2- and M5-branes in $Ad{S}_{7}imes{S}^4$. In particular, we test the viability of the universal contribution of the defect to entanglement entropy as a candidate $C$-function. We find that this coefficient is not monotonic under defect renormalization group flows triggered by the vacuum expectation value of a marginal operator. Another candidate $C$-function, the on-shell action inside the entanglement wedge, monotonically decreases under the flows we study.

Full work available at URL: https://arxiv.org/abs/1811.12375

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