Microscopic toy model for Cavity dynamical Casimir effect

Abstract

We develop a microscopic toy model for Cavity dynamical Casimir effect (DCE), namely, the photon generation from vacuum due to a nonstationary dielectric slab in a fixed single mode cavity. We represent the slab by $N\gg 1$ noninteracting two-level atoms coupled to the field via the standard dipole interaction. We show that the DCE is contained implicitly in the light-matter interaction Hamiltonian when its parameters are externally prescribed functions of time. We also predict several new phenomena, such as saturation of the photon growth due to effective Kerr nonlinearity, generation of pairs of atomic excitations instead of photons ("Inverse DCE") and coherent annihilation of pair of system excitations due to the atomic modulation ("Anti-DCE"). These results are extended to the circuit QED architecture, where similar effects can be implemented with a single qubit providing an alternative way to generate cavity and atom-field entangled states.

27 pages

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Cited by in corpus (22)

• Cutting Feynman Loops in Ultrastrong Cavity QED: Stimulated Emission and Reabsorption of Virtual Particles Dressing a Physical Excitation
• Relativistic Motion with Superconducting Qubits
• Effective Landau-Zener transitions in circuit dynamical Casimir effect with time-varying modulation frequency
• An analogue model for controllable Casimir radiation in a nonlinear cavity with amplitude-modulated pumping: Generation and quantum statistical properties
• Dynamical Casimir effect in a Kerr Cavity
• Dynamical Lamb effect versus dissipation in superconducting quantum circuits
• Particle creation in nonstationary large N quantum mechanics
• Optimal amplification of the dynamical Casimir effect in a parametrically driven system
• Analytical comparison of the first- and second-order resonances for implementation of the dynamical Casimir effect in nonstationary circuit QED
• Anti-Dynamical Casimir Effect as a Resource for Work Extraction
• Numerical approach to simulating interference phenomena in a two-oscillating mirrors cavity
• Applications of Picard and Magnus expansions to the Rabi model
• Enhancement of particle creation in nonlinear resonant cavities
• Speeding up antidynamical Casimir effect with nonstationary qutrits
• 1- and 3-photon dynamical Casimir effects using nonstationary cyclic qutrit
• Dynamical Casimir effect via modulated Kerr or higher nonlinearities
• Dynamical Casimir effect enhanced by decreasing the mirror reflectivity
• Vacuum radiation and frequency-mixing in linear light-matter systems
• Generation of photons from vacuum in cavity via time-modulation of a qubit invisible to the field
• A Lie algebraic approach to a nonstationary atom-cavity system
• Dynamical Casimir effect and state transfer in the ultrastrong coupling regime
• Two-photon exchange interaction from Dicke Hamiltonian under parametric modulation