Titlebook: Entanglement Measures and Their Properties in Quantum Field Theory; Stefan Hollands,Ko Sanders Book 2018 The Author(s), under exclusive li

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https://doi.org/10.1007/978-1-349-23062-4In this chapter we derive some lower bounds for the relative entanglement entropy. We include lower bounds of area law type for ground states of suitable QFTs and some general lower bounds for generic states.

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Introduction,Theory has focussed on quantum systems with finitely many degrees of freedom. In this volume, we will focus on the question whether qualitatively new features can arise due to the presence of infinitely many degrees of freedom.