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6 papers · 2 filters
Action of the gravitational field on the dynamical Casimir effect
L. C. Céleri, F. Pascoal, M. H. Y. Moussa
In this paper we analyze the action of the gravitational field on the dynamical Casimir effect. We consider a massless scalar field confined in a cuboid cavity placed in a gravitat…
Rabi model beyond the rotating wave approximation: generation of photons from vacuum through decoherence
T. Werlang, A. V. Dodonov, E. I. Duzzioni +1
We study numerically the dynamics of the Rabi Hamiltonian, describing the interaction of a single cavity mode and a two-level atom without the rotating wave approximation, subjecte…
Number of particle creation and decoherence in the nonideal dynamical Casimir effect at finite temperature
L. C. Celeri, F. Pascoal, M. A. de Ponte +1
In this work we investigate the dynamical Casimir effect in a nonideal cavity by deriving an effective Hamiltonian. We first compute a general expression for the average number of…
Dynamical Casimir effect for a massless scalar field between two concentric spherical shells
F. Pascoal, L. C. Céleri, S. S. Mizrahi +1
In this work we consider the dynamical Casimir effect for a massless scalar field -- under Dirichlet boundary conditions -- between two concentric spherical shells. We obtain a gen…
Nonadiabatic coherent evolution of two-level systems under spontaneous decay
F. O. Prado, E. I. Duzzioni, M. H. Y. Moussa +2
In this paper we extend current perspectives in engineering reservoirs by producing a time-dependent master equation leading to a nonstationary superposition equilibrium state that…
Quantum computation in continuous time using dynamic invariants
M. S. Sarandy, E. I. Duzzioni, R. M. Serra
We introduce an approach for quantum computing in continuous time based on the Lewis-Riesenfeld dynamic invariants. This approach allows, under certain conditions, for the design o…