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In this paper aiming to obtain the Casimir energy between a sinusoidally corrugated sphere and a plate, we first present a derivation of the sphere-plate Casimir force obtained by applying proximity force approximation (PFA). One may…

其他凝聚态物理 · 物理学 2014-04-08 M. R. Setare , A. Seyedzahedi

Building on work of Meixner [J. Meixner, Z. Naturforschung 3a, 506 (1948)], we show how to compute the exact scattering amplitude (or $T$-matrix) for electromagnetic scattering from a perfectly conducting disk. This calculation is a rare…

量子物理 · 物理学 2016-09-21 Thorsten Emig , Noah Graham

We investigate the Casimir energy between two dissipative mirrors in term of a sum over mode formula which can be interpreted by analogy to a quantum dissipative oscillator. We also show that metamaterials engineered at scales between the…

量子物理 · 物理学 2016-11-15 F. Intravaia , C. Henkel

A general calculation of Casimir energies --in an arbitrary number of dimensions-- for massless quantized fields in spherically symmetric cavities is carried out. All the most common situations, including scalar and spinor fields, the…

高能物理 - 理论 · 物理学 2008-11-26 Guido Cognola , Emilio Elizalde , Klaus Kirsten

We evaluate the Casimir-Polder potential between two atoms in the presence of an infinite perfectly conducting plate and at nonzero temperature. In order to calculate the potential, we use a method based on equal-time spatial correlations…

量子物理 · 物理学 2009-11-13 R. Passante , S. Spagnolo

We study the interaction between a neutral atom or molecule and a conductor-patched dielectric surface. We model this system by a perfectly reflecting disc lying atop of a non-dispersive dielectric half-space, both interacting with the…

量子物理 · 物理学 2015-06-11 Claudia Eberlein , Robert Zietal

Casimir interactions (due to the massless scalar field fluctuations) of two surfaces which are close to each other are studied. After a brief general presentation, explicit calculations for co-axial cylinders, co-centric spheres and…

高能物理 - 理论 · 物理学 2015-06-26 H. Ahmedov , I. H. Duru

We study the general form of the Casimir interaction between two flat finite-width, parallel, infinite mirrors, described by their respective vacuum polarization tensors, under the assumption of translation invariance along the directions…

高能物理 - 理论 · 物理学 2013-04-24 C. D. Fosco , M. L. Remaggi

The Casimir effect for general Robin conditions on the surface of a cylinder in $D$-spacetime dimensions is studied for massive scalar field with general curvature coupling. The energy distribution and vacuum stress are investigated. We…

高能物理 - 理论 · 物理学 2009-11-07 August Romeo , Aram A. Saharian

We study the leading long-distance attractive force between two holes in a plate arising from a scalar field with Dirichlet boundary conditions on the plate. We use a formalism in which the interaction is governed by a non-local field…

高能物理 - 理论 · 物理学 2010-08-06 Daniel Kabat , Dimitra Karabali , V. P. Nair

We compute the finite temperature Casimir energy for massive scalar field with general curvature coupling subject to Dirichlet or Neumann boundary conditions on the walls of a closed cylinder with arbitrary cross section, located in a…

高能物理 - 理论 · 物理学 2009-12-04 L. P. Teo

We show that exact results are obtained for the calculation of Casimir forces between arbitrary materials using the concept of surface impedances, obtaining in a trivial way the force in the limit of perfect conductors and also Lifshitz…

量子物理 · 物理学 2013-05-29 R. Esquivel , C. Villarreal , W. L. Mochan

This survey summarizes briefly results obtained recently in the Casimir energy studies devoted to the following subjects: i) account of the material characteristics of the media in calculations of the vacuum energy (for example, Casimir…

高能物理 - 理论 · 物理学 2016-10-05 V. V. Nesterenko , G. Lambiase , G. Scarpetta

We calculate the renormalized vacuum energy density for a massless scalar field confined between two nearby parallel plates formed by ideal uncharged conductors, placed very close to the surface of a rotating spherical gravitational source…

高能物理 - 理论 · 物理学 2015-06-18 V. B. Bezerra , H. F. Mota , C. R. Muniz

The Casimir energy for a conducting spherical shell of radius $a$ is computed using a direct mode summation approach. An essential ingredient is the implementation of a recently proposed method based on Cauchy's theorem for an evaluation of…

高能物理 - 理论 · 物理学 2009-10-31 M. E. Bowers , C. R. Hagen

The Casimir effect at finite temperature is investigated for a dilute dielectric ball; i.e., the relevant internal and free energies are calculated. The starting point in this study is a rigorous general expression for the internal energy…

高能物理 - 理论 · 物理学 2009-10-31 V. V. Nesterenko , G. Lambiase , G. Scarpetta

We develop a diagrammatic representation of the Casimir energy of a multibody configuration. The diagrams represent multiple reflections between the objects and can be organized by a few simple rules. The lowest-order diagrams (or…

量子物理 · 物理学 2015-03-17 Mohammad F. Maghrebi

A novel formalism for the evaluation of the Casimir-Polder potential in an arbitrary gauge of vector potentials is introduced. The ground state energy of a neutral atom in the presence of an infinite two-dimensional plane with Chern-Simons…

高能物理 - 理论 · 物理学 2010-04-06 Valery N. Marachevsky , Yury M. Pis'mak

We present an explicit analytic calculation of the energy-level shift of an atom in front of a non-dispersive and non-dissipative dielectric slab. We work with the fully quantized electromagnetic field, taking retardation into account. We…

量子物理 · 物理学 2009-12-07 Ana Maria Contreras Reyes , Claudia Eberlein

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