Abstract
Anderson and DeWitt considered the quantization of a massless scalar field in a spacetime whose spacelike hypersurfaces change topology and concluded that the topology change gives rise to infinite particle and energy production. We show here that their calculations are insufficient and that their propagation rule is unphysical. However, our results using a more general propagation rule support their conclusion.
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Anderson A and DeWitt B 1986Found. Phys. 16 91
Birrell N D and Davies P C W 1982Quantum fields in curved space (Cambridge: University Press)
DeWitt B 1985 inThe Santa Fe Meeting (eds) T Goldman and M M Nieto (Singapore: World Scientific)
Dray T and Manogue C A 1988J. Gen. Relat. Grav. (submitted)
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Manogue, C.A., Copeland, E. & Dray, T. The trousers problem revisited. Pramana - J Phys 30, 279–292 (1988). https://doi.org/10.1007/BF02846737
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DOI: https://doi.org/10.1007/BF02846737