A physically-motivated quantisation of the electromagnetic field on curved spacetimes
Abstract
Recently, Bennett et al. [Eur. J. Phys. 37:014001, 2016] presented a physically-motivated and explicitly gauge-independent scheme for the quantisation of the electromagnetic field in flat Minkowski space. In this paper we generalise this field quantisation scheme to curved spacetimes. Working within the standard assumptions of quantum field theory and only postulating the physicality of the photon, we derive the Hamiltonian, H, and the electric and magnetic field observables, E and B, without having to invoke a specific gauge. As an example, we quantise the electromagnetic field in the spacetime of an accelerated Minkowski observer, Rindler space, and demonstrate consistency with other field quantisation schemes by reproducing the Unruh effect.
Keywords
Cite
@article{arxiv.1811.09594,
title = {A physically-motivated quantisation of the electromagnetic field on curved spacetimes},
author = {Ben Maybee and Daniel Hodgson and Almut Beige and Robert Purdy},
journal= {arXiv preprint arXiv:1811.09594},
year = {2019}
}
Comments
16 pages, 1 figure, improved discussion