Dynamical Casimir effect in resonance fluorescence

Lo, Lezhi; Fong, Peter; Law, C. K.

doi:10.1103/physreva.102.033703

Cited by 6 publications

(1 citation statement)

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“…[25], the atom's energy gap must be large compared to the photon and movement frequencies. Other models treat the mirror as a system rather than a boundary condition but do not meet the above requirements [34][35][36][37]. These are valuable generalizations of the DCE to new regimes, although they do not fit our definition of a microscopic model.…”

Section: Microscopic Dce With a Qubit-cavity Systemmentioning

confidence: 99%

Qubit motion as a microscopic model for the dynamical Casimir effect

et al. 2021

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The generation of photons from the vacuum by means of the movement of a mirror is known as the dynamical Casimir effect (DCE). In general, this phenomenon is effectively described by a field with time-dependent boundary conditions. Alternatively, we introduce a microscopic model of the DCE capable of capturing the essential features of the effect with no time-dependent boundary conditions. Besides the field, such a model comprises a subsystem representing the mirror's internal structure. In this work, we study one of the most straightforward mirror systems: a qubit moving in a cavity and coupled to one of the bosonic modes. We find that under certain conditions on the qubit's movement that do not depend on its physical properties, a large number of photons may be generated without changing the qubit state, as should be expected for a microscopic model of the mirror.

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