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Large distance expansion of Mutual Information for disjoint disks in a free scalar theory
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classification
hep-th
keywords
disjointdisksdistanceexpansionfreeinformationmutualnext-to-leading
abstract
We compute the next-to-leading order term in the long-distance expansion of the mutual information for free scalars in three space-time dimensions. The geometry considered is two disjoint disks separated by a distance $r$ between their centers. No evidence for non-analyticity in the R\'enyi parameter $n$ for the continuation $n \rightarrow 1$ in the next-to-leading order term is found.
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