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We study the field theoretical model of a real scalar field in presence of spacial inhomogeneity in form of a finite width mirror (material layer). The interaction of the scalar field with the defect is described with position-dependent…

高能物理 - 理论 · 物理学 2008-07-04 I. V. Fialkovsky , V. N. Markov , Yu. M. Pis'mak

Zero-point fluctuations in quantum fields give rise to observable forces between material bodies, the so-called Casimir forces. In this lecture I present some results of the theory of the Casimir effect, primarily formulated in terms of…

高能物理 - 理论 · 物理学 2009-09-25 Kimball A. Milton

We apply quantum field theory in quantum space-time techniques to study the Casimir effect for large spherical shells. As background we use the recently constructed exact quantum solution for spherically symmetric vacuum space-time in loop…

广义相对论与量子宇宙学 · 物理学 2015-05-20 Rodolfo Gambini , Javier Olmedo , Jorge Pullin

In this work, I study the finite temperature Casimir effect due to a massless fermion field that violates Lorentz invariance according to the Horava-Lifshitz theory. I investigate a fermion field that obeys MIT bag boundary conditions on a…

高能物理 - 理论 · 物理学 2025-06-13 Andrea Erdas

In this paper we study the system of a scalar quantum field confined between two plane, isotropic, and homogeneous parallel plates at thermal equilibrium. We represent the plates by the most general lossless and frequency-independent…

高能物理 - 理论 · 物理学 2020-09-01 J. M. Munoz-Castaneda , L. Santamaria-Sanz , M. Donaire , M. Tello-Fraile

The survey summarizes briefly the results obtained recently in the Casimir effect studies considering the following subjects: i) account of the material characteristics of the media and their influence on the vacuum energy (for example,…

高能物理 - 理论 · 物理学 2007-05-23 V. V. Nesterenko

We study Casimir effect in equilibrium and non-equilibrium photon gas in the frame of quantum kinetic theory for $U(1)$ gauge field. We derive first the transport, constraint and gauge fixing equations for the photon number distribution…

量子物理 · 物理学 2022-07-13 Xingyu Guo , Jiaxing Zhao , Pengfei Zhuang

We calculate the finite vacuum energy density of the scalar and electromagnetic fields inside a Casimir apparatus made up of two conducting parallel plates in a general weak gravitational field. The metric of the weak gravitational field…

高能物理 - 理论 · 物理学 2015-10-28 Borzoo Nazari

The presence of finite energy in quantum vacuum has profound implications to physics at the microscopic and macroscopic levels. One of the direct consequences of vacuum energy is the Casimir Force, which is a force of attraction experienced…

广义相对论与量子宇宙学 · 物理学 2009-09-29 G. Rajalakshmi

In [5] we investigated the response of vacuum energy to a gravitational field by considering a Casimir apparatus in a weak gravitational field. Our approach was based on a conjecture involving the interpretation of spacetime as a refractive…

广义相对论与量子宇宙学 · 物理学 2012-03-01 B. Nazari , M. Nouri-Zonoz

We study the Casimir effect for a parallel plate setup with one plate with dynamical edge mode (DEM) boundary conditions, and one plate with perfect electromagnetic conductor (PEMC) boundary conditions. In order to restore BRST invariance,…

高能物理 - 理论 · 物理学 2026-05-12 Jarne Devroe , David Dudal , Sebbe Stouten

We have studied in a previous work the quantization of a mixed bulk-boundary system describing the coupled dynamics between a bulk quantum field confined to a spacetime with finite space slice and with timelike boundary, and a boundary…

高能物理 - 理论 · 物理学 2021-03-12 Benito A. Juárez-Aubry , Ricardo Weder

A matter-field theory of the Casimir force is formulated in which the electromagnetic field and collective modes of dielectric media are treated on an equal footing. In our theory, the Casimir force is attributed to zero-point energies of…

凝聚态物理 · 物理学 2009-10-31 Masato Koashi , Masahito Ueda

The Casimir effect for spherical geometry is calculated using generalized Thermofield Dynamics for the case of scalar field. Casimir force and Casimir pressure are presented. It is found that for high temperatures the Casimir force does…

高能物理 - 理论 · 物理学 2008-03-25 D. U. Matrasulov , Kh. T. Butanov , Kh. Yu. Rakhimov , F. C. Khanna , A. E. Santana

This paper gives a brief review on the recent work on fractional Klein-Gordon fields, in particular on the Casimir effect associated to fractional Klein-Gordon fields in various geometries and boundary conditions. New results on Casimir…

数学物理 · 物理学 2011-03-10 S. C. Lim , L. P. Teo

A noncommutative complex scalar field, satisfying the deformed canonical commutation relations proposed by Carmona et al. [27]-[31], is constructed. Using these noncommutative deformed canonical commutation relations, a model describing the…

高能物理 - 理论 · 物理学 2012-06-19 Farid Khelili

We investigate the Casimir effect in the systems that consist of parallel but misaligned finite-size plates from the point of view of zero-point energy. We elaborate the zero-point energies of the radiation field in the perfect conductor…

高能物理 - 理论 · 物理学 2022-12-07 Zhentao Zhang

We study vacuum in a strong magnetic field. It shows a nonlinear response, as a ferromagnetic medium. Anisotropic pressures arise, and a negative pressure is exerted in the direction perpendicular to the field. The analogy of this effect…

高能物理 - 唯象学 · 物理学 2007-05-23 H. Perez Rojas , E. Rodriguez Querts

In this study, the Casimir energy for massive scalar field with periodic boundary condition was calculated on spherical surfaces with $S^1$, $S^2$ and $S^3$ topologies. To obtain the Casimir energy on spherical surface, the contribution of…

高能物理 - 理论 · 物理学 2018-10-16 M. A. Valuyan

We investigate the fermionic Casimir effect for a Dirac field confined between two parallel plates with MIT bag boundary conditions in the presence of CPT-odd Lorentz-symmetry violation described by a constant axial background vector…

高能物理 - 理论 · 物理学 2026-04-13 A. Martín-Ruiz , M. B. Cruz , E. R. Bezerra de Mello