Particle detectors in curved spacetime quantum field theoryTools Hodgkinson, Lee (2013) Particle detectors in curved spacetime quantum field theory. PhD thesis, University of Nottingham.
AbstractUnruhDeWitt particle detector models are studied in a variety of timedependent and timeindependent settings. We work within the framework of firstorder perturbation theory and couple the detector to a massless scalar field. The necessity of switching on (off) the detector smoothly is emphasised throughout, and the transition rate is found by taking the sharpswitching limit of the regulatorfree and finite response function.
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