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Entropy of Coherent Excitations. (arXiv:1901.02366v1 [math-ph])

We provide a rigorous, explicit formula for the vacuum relative entropy of a coherent state on wedge local von Neumann algebras associated with a free, neutral quantum field theory on the Minkowski spacetime of arbitrary spacetime dimension. The second derivative under a null translation turns out to be manifestly non-negative being proportional to an energy contribution on the boundary.查看全文

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