Physical interpretation of quantum field theory in noninertial coordinate systems

Padmanabhan, T. (1990) Physical interpretation of quantum field theory in noninertial coordinate systems Physical Review Letters, 64 (21). pp. 2471-2474. ISSN 0031-9007

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Official URL: http://prl.aps.org/abstract/PRL/v64/i21/p2471_1

Related URL: http://dx.doi.org/10.1103/PhysRevLett.64.2471

Abstract

In the upper and lower quadrants of flat spacetime, (±T>‖X‖) it is possible to introduce a system of coordinates in which the metric is explicitly time dependent. The conventional interpretation of quantum field theory, based on a Fock basis, cannot be implemented in a natural fashion in such coordinates. This difficulty suggests that quantum theory is covariant only for a subset of the coordinate transformations which are allowed in the classical theory.

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