167 citations · 637 across the 50 of their papers we have counts for
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math-ph2018★ 7 cited
Some Results On Relative Entropy in Quantum Field Theory
Feng Xu
We prove that the mutual information for vacuum state as defined by Araki is finite for quantum field theory of free fermions on a Minkowski spacetime of any dimension. In the case…
math-ph2018★ 32 cited
Comment on the Bekenstein bound
Roberto Longo, Feng Xu
We propose a rigorous derivation of the Bekenstein upper limit for the entropy/information that can be contained by a physical system in a given finite region of space with given f…