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Related papers: Fermion Particle Production in Dynamical Casimir E…

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Dynamical Casimir effect (DCE) is the name assigned to the process of generating quanta from vacuum due to an accelerated motion of macroscopic neutral bodies (mirrors) or time-modulation of cavity material properties, as well as the…

Quantum Physics · Physics 2013-02-12 A. V. Dodonov

We study the phenomenon of cosmological particle production of Dirac fermions in a Friedman-Robertson-Walker spacetime, focusing on a (1+1)-dimensional case in which the evolution of the scale factor is set by the equations of…

We study the fermionic Schwinger effect in two dimensional de Sitter spacetime. To do so we first present a method to semiclassically compute the number of pairs created per momentum mode for general time dependent fields. In addition the…

General Relativity and Quantum Cosmology · Physics 2016-01-13 Clément Stahl , Eckhard Strobel , She-Sheng Xue

For one-dimensional vibrating cavity systems appearing in the standard illustration of the dynamical Casimir effect, we propose an approach to the construction of exact closed-form solutions. As new results, we obtain solutions that are…

Quantum Physics · Physics 2009-11-13 Pawel Wegrzyn

We consider the Casimir interaction, mediated by massless fermions, between a spherical defect and a flat potential barrier, assuming hard (bag-type) boundary conditions at both the barrier and the surface of the sphere. The computation of…

High Energy Physics - Theory · Physics 2015-07-06 Antonino Flachi , Lee-Peng Teo

We analyze a quantum kinetic equation describing both boson and fermion pair production. We explore the solution of the kinetic equation in its Markovian limit. The numerical study shows an enhancement (bosons) or a suppression (fermions)…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Schmidt , A. V. Prozorkevich , S. A. Smolyansky

The Casimir effect is a macroscopic evidence of the quantum nature of the vacuum. On a ring, it leads to a finite size correction to the vacuum energy. In this work, we show that this vacuum's energy and pressure acquire additional, sizable…

Quantum Gases · Physics 2024-07-23 Baptiste Bermond , Adolfo G. Grushin , David Carpentier

We study fermion reflection at a phase wave which is formed during a bubble collision in a first order phase transition. We calculate the reflection and the transmission coefficients by solving the Dirac equation with the phase wave…

High Energy Physics - Phenomenology · Physics 2023-11-08 Jae-weon Lee , In-guy Koh

Creation of scalar massless particles in two-dimensional Minkowski space-time--as predicted by the dynamical Casimir effect--is studied for the case of a semitransparent mirror initially at rest, then accelerating for some finite time,…

Quantum Physics · Physics 2008-11-26 Jaume Haro , Emilio Elizalde

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 theoretically the dynamical Casimir effect in an exciton-polariton condensate that is suddenly created by an ultrashort laser pulse at normal incidence. As a consequence of the abrupt change of the quantum vacuum, Bogoliubov…

Quantum Gases · Physics 2015-06-15 Selma Koghee , Michiel Wouters

We consider a non-spherical neutral particle spinning in free space and interacting with the electromagnetic quantum vacuum. When the rotation axis is orthogonal to the particle symmetry axis, the scattered field develops frequency…

In this paper we calculate the Casimir energy for a massive fermionic field confined between two points in one spatial dimension, with the MIT Bag Model boundary condition. We compute the Casimir energy directly by summing over the allowed…

High Energy Physics - Theory · Physics 2012-04-17 R. Saghian , M. A. Valuyan , A. Seyedzahedi , S. S. Gousheh

We study the dynamical Casimir effect in a double superconducting cavity in a circuit quantum electrodynamics architecture. Parameters in the quantum circuit are chosen in such a way the superconducting cavity can mimic a double cavity,…

This work addresses the computation of the propability of fermionic particle pair production in $(d+1)-$ dimensional noncommutative Moyal space. Using the Seiberg-Witten maps that establish relations between noncommutative and commutative…

High Energy Physics - Theory · Physics 2015-02-17 Dine Ousmane Samary , Emanonfi Elias N'Dolo , Mahouton Norbert Hounkonnou

The production of particle-antiparticle pairs from the quantum field theoretic ground state in the presence of an external electric field is studied. Starting with the quantum kinetic Boltzmann-Vlasov equation in four-dimensional spacetime,…

High Energy Physics - Phenomenology · Physics 2016-12-26 Ibrahim Akal , Reinhold Egger , Carsten Müller , Selym Villalba-Chávez

In this paper, we address the question as to whether or not measurable sources for gravitational waves could possibly be made in the laboratory. Based on an analogy of the dynamical Casimir effect with the stimulated emission of radiation…

General Relativity and Quantum Cosmology · Physics 2017-12-27 R. Y. Chiao , J. S. Sharping , L. A. Martinez , B. S. Kang , A. Castelli , N. A. Inan , J. J. Thompson

Real photon pairs can be created in a dynamic cavity with periodically modulated refractive index of the constituent media or oscillating boundaries. This effect is called Dynamic Casimir effect (DCE), which represents one of the most…

Optics · Physics 2018-12-06 Shaojie Ma , Haixing Miao , Yuanjiang Xiang , Shuang Zhang

The fermion condensate (FC) is investigated for a (2+1)-dimensional massive fermionic field confined on a truncated cone with an arbitrary planar angle deficit and threaded by a magnetic flux. Different combinations of the boundary…

High Energy Physics - Theory · Physics 2021-03-24 A. A. Saharian , T. A. Petrosyan , A. A. Hovhannisyan

The effect of the electric field on the creation of spin 1/2 particles from vacuum in the (1+1) dimensional de-Sitter space-time is studied. The Dirac equation with a constant electric field is solved by introducing an unitary…

General Relativity and Quantum Cosmology · Physics 2015-05-01 S. Haouat , R. Chekireb