Correlators of a detector cavity coupled to quantum simulators

Presenting Author: Alessandro Monteros, University of California Merced
Contributing Author(s): Lin Tian

Cavity modes can serve as detector of quantum simulators. Here we examine how a cavity's correlator changes when coupled to one of two quantum simulators: a qubit and the transverse field Ising model using a diagrammatic technique. Using this approach, we determine whether reliable detection of the simulator's many-body correlator can be achieved. We also calculate the backaction of the detector on the quantum simulators. In the case of the qubit, this allows us to obtain a simple expression for the cavity correlator without the need for the rotating wave approximation.

(Session 5 : Sunday from 5:00pm - 7:00pm)


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