Dynamics of Unruh-DeWitt detectors in a relativistic quantum field

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Based on our results for the detector-field system in Gaussian states, I am addressing the following issues about the quantum dynamics of atoms or detectors moving in a relativistic quantum field: First, the dynamics of the detectors as an open quantum quantum system, hence the entanglement creation and sudden death processes between the detectors, are non-Markovian in general. Second, the excitations of the accelerated detectors in the Unruh effect depend only on the kinematics of the detectors. The event horizon for the detector is not essential in this effect, and the particle notion of the quantum field is not needed here. Third, entanglement dynamics of the detectors are independent of time-slicing scheme. Local projective measurements on point-like detectors are also consistent in different time-slicing schemes even in the presence of relativistic quantum fields.

Original languageEnglish
Article number012060
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 2011

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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