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相关论文: Casimir forces between arbitrary compact objects: …

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In a previous work we formulated a model of semitransparent dielectric surfaces, coupled to the electromagnetic field by means of an effective potential. Here we consider a setup with two dissimilar mirrors, and compute exactly the…

高能物理 - 理论 · 物理学 2023-06-06 F. E. Barone , F. A. Barone

We consider the Casimir interaction between two spheres corresponding to massless Dirac fields with MIT-bag boundary conditions. Using operator approach, we derive the TGTG-formula for the Casimir interaction energy between the two spheres.…

高能物理 - 理论 · 物理学 2015-05-20 L. P. Teo

We start this paper with a historical survey of the Casimir effect, showing that its origin is related to experiments on colloidal chemistry. We present two methods of computing Casimir forces, namely: the global method introduced by…

高能物理 - 理论 · 物理学 2015-06-26 Carlos Farina

Vacuum expectation values of the energy-momentum tensor and the Casimir forces are evaluated for scalar and electromagnetic fields in the geometry of two curved boundaries on background of the Robertson-Walker spacetime with negative…

高能物理 - 理论 · 物理学 2010-11-12 A. A. Saharian , M. R. Setare

Multiple scattering formulations have been employed for more than 30 years as a method of studying the quantum vacuum or Casimir interactions between distinct bodies. Here we review the method in the simple context of $\delta$-function…

高能物理 - 理论 · 物理学 2008-11-26 Kimball A. Milton , Jef Wagner

We consider the finite temperature Casimir effect between two concentric spheres due to the vacuum fluctuations of the electromagnetic field in the $(D+1)$-dimensional Minkowski spacetime. Different combinations of perfectly conducting and…

量子物理 · 物理学 2011-08-08 L. P. Teo

Casimir forces are conventionally computed by analyzing the effects of boundary conditions on a fluctuating quantum field. Although this analysis provides a clean and calculationally tractable idealization, it does not always accurately…

高能物理 - 理论 · 物理学 2008-11-26 N. Graham , R. L. Jaffe , V. Khemani , M. Quandt , O. Schroeder , H. Weigel

In earlier papers we have applied multiple scattering techniques to calculate Casimir forces due to scalar fields between different bodies described by delta function potentials. When the coupling to the potentials became weak, closed-form…

高能物理 - 理论 · 物理学 2008-11-26 Kimball A. Milton , Prachi Parashar , Jef Wagner

In this paper the Casimir energy density, loop corrections, and generation of topological mass are investigated for a system consisting of two interacting real and complex scalar fields. The interaction considered is the quartic interaction…

高能物理 - 理论 · 物理学 2023-07-05 A. J. D. Farias Junior , Herondy F. Santana Mota

Quantities associated with Casimir forces are calculated in a model wave system of one spatial dimension with Dirichlet or Neumann boundary conditions. 1)Due to zero-point fluctuations, a partition is attracted to the walls of a box if the…

量子物理 · 物理学 2009-11-07 Timothy H. Boyer

We introduce an efficient technique for computing Casimir energies and forces between objects of arbitrarily complex 3D geometries. In contrast to other recently developed methods, our technique easily handles non-spheroidal,…

量子物理 · 物理学 2010-04-22 M. T. Homer Reid , Alejandro W. Rodriguez , Jacob White , Steven G. Johnson

The possibility of repulsive Casimir forces between small metal spheres and a dielectric half-space is discussed. We treat a model in which the spheres have a dielectric function given by the Drude model, and the radius of the sphere is…

量子物理 · 物理学 2009-11-10 V. Sopova , L. H. Ford

We compute the Casimir energy which arises in a bi-dimensional surface due to the quantum fluctuations of a scalar field. We assume that the boundaries are irregular and the field obeys Dirichlet condition. We re-parametrize the problem to…

高能物理 - 理论 · 物理学 2014-01-29 B. Droguett , J. C. Rojas

The vacuum expectation values of the energy--momentum tensor are investigated for massless scalar fields satisfying Dicichlet or Neumann boundary conditions, and for the electromagnetic field with perfect conductor boundary conditions on…

高能物理 - 理论 · 物理学 2011-07-19 R. M. Avagyan , A. A. Saharian , A. H. Yeranyan

The prototypical Casimir effect arises when a scalar field is confined between parallel Dirichlet boundaries. We study corrections to this when the boundaries themselves have apertures and edges. We consider several geometries: a single…

高能物理 - 理论 · 物理学 2011-11-02 Daniel Kabat , Dimitra Karabali , V. P. Nair

Using field theory we calculate the Casimir energy and Casimir force of two-component Bose-Einstein condensates restricted between two parallel plates, in which Dirichlet and periodic boundary conditions applied. Our results show that, in…

量子气体 · 物理学 2017-05-24 Nguyen Van Thu

Recent measurements of Casimir forces have provided evidence of an intricate modification of quantum fluctuations of the electromagnetic field in complex geometries. Here we introduce a multiple scattering description for Casimir…

量子物理 · 物理学 2023-05-24 Thorsten Emig , Giuseppe Bimonte

Casimir entropy is an important aspect of casimir effect.In this paper,we employ the path integral method to derive the total relation for casimir entropy and internal energy of arbitrary shaped objects in the presence of two,three and four…

量子物理 · 物理学 2017-01-05 Marjan Jafari

We study the Casimir energy due to a quantum real scalar field coupled to two planar, infinite, zero-width, parallel mirrors with non-homogeneous properties. These properties are represented, in the model we use, by scalar functions defined…

高能物理 - 理论 · 物理学 2020-02-26 Cesar D. Fosco , Francisco D. Mazzitelli

On the basis of macroscopic quantum electrodynamics and point-scattering techniques, we derive a closed expression for the Casimir-Polder force between a ground-state atom and a small magnetodielectric sphere in an arbitrary environment. In…

量子物理 · 物理学 2010-02-18 Agnes Sambale , Stefan Yoshi Buhmann , Stefan Scheel