In polymer quantization, a uniformly accelerated Unruh-DeWitt detector sees a non-thermal vacuum response that can be mimicked by the Fock-space two-point function with a finite regulator ε≈2.16 instead of the usual ε→0 limit.
iϵ” REGULARIZATION Up to this point our study of the Unruh effect involves a point-like detector. In order to regularize the two-point function, the standard “ iϵ
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Response of a uniformly accelerated Unruh-DeWitt detector in polymer quantization
In polymer quantization, a uniformly accelerated Unruh-DeWitt detector sees a non-thermal vacuum response that can be mimicked by the Fock-space two-point function with a finite regulator ε≈2.16 instead of the usual ε→0 limit.