The Unruh-DeWitt Detector Model: Modified Dispersion and Nonlinear Couplings
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In this work, we employ the Unruh-DeWitt (UDW) detector model to various ends. We present applications of this relativistic detector model to quantum optics, including decoherence in optical cavities and non-linear quantum optics. We also relate an array of UDW-like models to the usual UDW model, which has the immediate consequence of yielding a tool to probe the entanglement structure of the Fermionic field, as well as many others. We are also able to show that entanglement harvesting is robust under dispersive effects, paving the way for tabletop experiments of the protocol.
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A. Morgan Sachs (2021). The Unruh-DeWitt Detector Model: Modified Dispersion and Nonlinear Couplings. UWSpace. http://hdl.handle.net/10012/17592