Fourier transform, quantum mechanics and quantum field theory on the manifold of general relativity

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Abstract

A proof is given for the Fourier transform for functions in a quantum mechanical Hilbert space on a non-compact manifold in general relativity. In the (configuration space) Newton–Wigner representation, we discuss the spectral decomposition of the canonical operators and give a proof of the Parseval–Plancherel relation and the Born rule for linear superposition. We then discuss the representations of pure quantum states and their dual vectors and construct the Fock space and the associated quantum field theory for Bose–Einstein and Fermi–Dirac statistics.

Original languageEnglish
Article number479
JournalEuropean Physical Journal Plus
Volume135
Issue number6
DOIs
StatePublished - 1 Jun 2020

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