ar X iv : 0 80 5 . 08 06 v 1 [ he p - th ] 7 M ay 2 00 8 Particle Detector Model Questions the Unruh Effect


The Hamiltonian of traditionally adopted (" Unruh-De Witt ") detector models features out of diagonal elements between the vacuum and the one particle states of the field to be detected. We argue that reasonably good detectors, when written in terms of fundamental fields, have a more trivial response on the vacuum. In particular, the model configuration… (More)


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