Quantum energy inequalities and local covariance II: Categorical formulation

Abstract

We formulate Quantum Energy Inequalities (QEIs) in the framework of locally covariant quantum field theory developed by Brunetti, Fredenhagen and Verch, which is based on notions taken from category theory. This leads to a new viewpoint on the QEIs, and also to the identification of a new structural property of locally covariant quantum field theory, which we call Local Physical Equivalence. Covariant formulations of the numerical range and spectrum of locally covariant fields are given and investigated, and a new algebra of fields is identified, in which fields are treated independently of their realisation on particular spacetimes and manifestly covariant versions of the functional calculus may be formulated.

27 pages, LaTeX. Further discussion added. Version to appear in General Relativity and Gravitation

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Cited by in corpus (20)

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• Absolute quantum energy inequalities in curved spacetime
• Batalin-Vilkovisky formalism in the functional approach to classical field theory
• Quantum Energy Inequalities for the Non-Minimally Coupled Scalar Field
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• Dynamical locality of the free scalar field
• Quantum strong energy inequalities
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• Quantum Energy Inequalities along stationary worldlines
• A Quantum Energy Inequality for a Non-commutative QFT