English
Related papers

Related papers: Damped Casimir radiation and photon correlation me…

200 papers

We study the dynamical Casimir effect in the presence of a finite coherence time, which is associated with a finite quality factor of the optical cavity. We use the time refraction model, where a fixed cavity with a modulated optical…

Quantum Physics · Physics 2015-05-20 J. T. Mendonca , G. Brodin , M. Marklund

The phenomenon of particle creation within an almost resonantly vibrating cavity with losses is investigated for the example of a massless scalar field at finite temperature. A leaky cavity is designed via the insertion of a dispersive…

Quantum Physics · Physics 2008-08-28 G. Schaller , R. Schützhold , G. Plunien , G. Soff

We show two examples in which the dynamical Casimir effect can be achieved by modulating the Kerr or higher order nonlinearities. In the first case the cavity field is coupled to an arbitrary number of qubits or an harmonic oscillator via…

Quantum Physics · Physics 2022-01-20 A V Dodonov , V V Dodonov

We study analytically the photon generation from vacuum due to the Dynamical Casimir effect in a cavity with a two-level atom, prepared initially in an arbitrary pure state. Performing small unitary transformations we obtain closed…

Quantum Physics · Physics 2012-01-19 A. V. Dodonov , V. V. Dodonov

We show that the dynamical Casimir effect in an optomechanical system can be achieved under incoherent mechanical pumping. We adopt a fully quantum-mechanical approach for both the cavity field and the oscillating mirror. The dynamics is…

We analyze the introduction of dissipative effects in the study of the dynamical Casimir effect. We consider a toy model for an electromagnetic cavity that contains a semiconducting thin shell, which is irradiated with short laser pulses in…

Quantum Physics · Physics 2015-05-19 F. C. Lombardo , F. D. Mazzitelli

The phenomenon of particle creation within a resonantly vibrating lossy cavity is investigated for the example of a massless scalar field at finite temperature. Leakage is provided by insertion of a dispersive mirror into a larger ideal…

Quantum Physics · Physics 2008-08-28 Gernot Schaller , Ralf Schützhold , Günter Plunien , Gerhard Soff

We consider the scenario in which a damped three-level atom in the ladder or V configurations is coupled to a single cavity mode whose vacuum state is amplified by dint of the dynamical Casimir effect. We obtain approximate analytical…

Quantum Physics · Physics 2012-06-12 A. V. Dodonov , V. V. Dodonov

A "microscopic" justification of the "symmetric damping" model of a quantum oscillator with time-dependent frequency and time-dependent damping is given. This model is used to predict results of experiments on simulating the dynamical…

Quantum Physics · Physics 2010-06-29 Victor V. Dodonov

It was predicted some time ago that the cavity dynamical Casimir effect (generation of photons from the initial vacuum state in a cavity with moving walls) might be observed if a boundary vibrates at the double frequency of some selected…

Quantum Physics · Physics 2015-06-15 A. V. Dodonov , V. V. Dodonov

We consider the nonstationary circuit QED architecture, where a single artificial two-level atom interacts with a cavity field mode under external modulation of one or more system parameters. Two different approaches are employed to study…

Quantum Physics · Physics 2015-04-21 D. S. Veloso , A. V. Dodonov

We study the photon generation from vacuum via the Dynamical Casimir Effect in a cavity containing a N-level detector in equally-spaced resonant ladder configuration or N-1 identical resonant two-level atoms. If the modulation frequency…

Quantum Physics · Physics 2012-07-09 A. V. Dodonov , V. V. Dodonov

We study a quantum model of dynamical Casimir effect in an optical cavity enclosed by a freely moving mirror attached to a harmonic spring. The quantum fluctuations of the friction force exerted by the dynamical Casimir emission onto the…

Quantum Physics · Physics 2020-01-29 Salvatore Butera , Iacopo Carusotto

A non-stationary one-dimensional cavity can be described by the time-dependent and multi-mode effective Hamiltonian of the so-called dynamical Casimir effect. Due to the non-adiabatic boundary conditions imposed in one of the cavity…

Quantum Physics · Physics 2021-09-14 I. Ramos-Prieto , R. Román-Ancheyta , J. Récamier , H. M. Moya-Cessa

Quantum vacuum fluctuations are a direct manifestation of Heisenberg's uncertainty principle. The dynamical Casimir effect allows for the observation of these vacuum fluctuations by turning them into real, observable photons. However, the…

Quantum Physics · Physics 2016-05-04 Nils Trautmann , Philipp Hauke

The dynamical Casimir effect is an intriguing phenomenon in which photons are generated from vacuum due to a non-adiabatic change in some boundary conditions. In particular, it connects the motion of an accelerated mechanical mirror to the…

Quantum Physics · Physics 2018-09-06 Mikel Sanz , Witlef Wieczorek , Simon Gröblacher , Enrique Solano

Motivated by a recent proposal for an experimental verification of the dynamical Casimir effect, the macroscopic electromagnetic field within a perfect cavity containing a thin slab with a time-dependent dielectric permittivity is quantized…

Quantum Physics · Physics 2009-11-10 Michael Uhlmann , Günter Plunien , Ralf Schützhold , Gerhard Soff

We derive a master equation for a mirror interacting with the vacuum field via radiation pressure. The dynamical Casimir effect leads to decoherence of a 'Schroedinger cat' state in a time scale that depends on the degree of…

Quantum Physics · Physics 2011-08-04 Diego A. R. Dalvit , Paulo A. Maia Neto

The radiation pressure coupling with vacuum fluctuations gives rise to energy damping and decoherence of an oscillating particle. Both effects result from the emission of pairs of photons, a quantum effect related to the fluctuations of the…

Quantum Physics · Physics 2007-05-23 Paulo A. Maia Neto , Diego A. R. Dalvit

Vacuum fluctuations provide a fundamental source of dissipation for systems coupled to quantum fields by radiation pressure. In the dynamical Casimir effect, accelerating neutral bodies in free space give rise to the emission of real…

Quantum Physics · Physics 2015-05-19 Diego A. R. Dalvit , Paulo A. Maia Neto , Francisco Diego Mazzitelli
‹ Prev 1 2 3 10 Next ›