Higher-curvature corrections to holographic entanglement entropy in geometries with hyperscaling violation

Abstract

We study the effects of including higher-curvature corrections to the Einstein gravity bulk action on the holographic entanglement entropy (HEE) expression for geometries with hyperscaling violation (hvLf). For $\theta <0$ we show that one single new divergence arises for general curvature-squared gravities, which allows us to conjecture the general expression of HEE for any higher-order gravity action. For $0<\theta <d$, we assume the hvLf geometry to arise above some intermediate scale $r_F$, becoming AdS in the UV and perform a similar analysis for $R^n$ gravities. For negative values of $\theta$ we find that new logarithmic contributions show up in the HEE formula for any $n$th-order gravity when $\theta =d(d-1)/(d-2(n-1))$ and $d<2(n-1)$. In the range $0\le \theta <d$ we do not find additional logarithmic contributions appearing at any order except for $n=1$, which corresponds to the famous case $\theta =d-1$ encountered in Einstein gravity.

31+1 pages, 3 figures; v4: minor corrections, references added

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Cited by in corpus (3)

• Hyperscaling Violating Solutions in Generalised EMD Theory
• Logarithmic curvature correction to Lifshitz and hyperscaling violation geometries
• Entropy of Hawking Radiation for Two-Sided Hyperscaling Violating Black Branes