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We calculate the Casimir force between slabs of finite thickness made of intrinsic and doped silicon with different concentration of carriers and compare the results to those obtained for gold slabs. We use the Drude and the plasma models…

量子物理 · 物理学 2008-11-26 I. G. Pirozhenko , A. Lambrecht

A unified approach to the calculation of dispersive forces on ground-state bodies and atoms is given. It is based on the ground-state Lorentz force density acting on the charge and current densities attributed to the polarization and…

量子物理 · 物理学 2009-11-13 Christian Raabe , Dirk-Gunnar Welsch

The dependence of the Casimir force on material properties is important for both future applications and to gain further insight on its fundamental aspects. Here we derive a general theory of the Casimir force for low-conducting compounds,…

介观与纳米尺度物理 · 物理学 2015-05-13 E. G. Galkina , B. A. Ivanov , Sergey E. Savel'ev , V. A. Yampol'skii , Franco Nori

The statistical mechanical approach to Casimir problems for dielectrics separated by a vacuum gap turns out to be compact and effective. A central ingredient of this method is the effect of interacting fluctuating dipole moments of the…

量子物理 · 物理学 2009-06-10 Johan S. Høye , Iver Brevik

We study the electromagnetic Casimir interaction of a compact object contained inside a closed cavity of another compact object. We express the interaction energy in terms of the objects' scattering matrices and translation matrices that…

量子物理 · 物理学 2010-11-16 Saad Zaheer , Sahand Jamal Rahi , Thorsten Emig , Robert L. Jaffe

We compute the Casimir force for a system composed of two layers as substrates within three different homogenous layers. We use the scattering approach along with the Matsubara formalism in order to calculate the Casimir force at finite…

软凝聚态物质 · 物理学 2015-07-30 A. Moradian , M. R. Setare , S. A. Seyedzahedi

We explore the scattering approach to Casimir forces. Our main tool is the description of Casimir energy in terms of transition operators, as presented in Kenneth and Klich, Phys. Rev. Lett. 97, 160401 (2006). We study the convergence…

量子物理 · 物理学 2009-11-13 Oded Kenneth , Israel Klich

We study the Casimir effect in a system composed of two Weyl semimetals (WSMs) separated by a gap filled with a chiral medium. We calculate the optical response of the material to chiral photons in order to calculate the Casimir force. We…

介观与纳米尺度物理 · 物理学 2020-07-08 M. Belén Farias , Alexander A. Zyuzin , Thomas L. Schmidt

We consider the Casimir-Polder interaction energy between a metallic nanoparticle and a metallic plate, as well as the Casimir interaction energy between two macroscopic metal plates, in terms of the many-body dispersion interactions…

量子物理 · 物理学 2015-03-10 Pablo Barcellona , Roberto Passante

A multiple scattering formulation is used to calculate the force, arising from fluctuating scalar fields, between distinct bodies described by $\delta$-function potentials, so-called semitransparent bodies. (In the limit of strong coupling,…

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

We show the influence of surface plasmons on the Casimir effect between two plane parallel metallic mirrors at arbitrary distances. Using the plasma model to describe the optical response of the metal, we express the Casimir energy as a sum…

量子物理 · 物理学 2009-11-11 F. Intravaia , A. Lambrecht

The Casimir effect in graphene systems is reviewed with emphasis made on the large thermal correction to the Casimir force predicted at short separations between the test bodies. The computational results for the Casimir pressure and for…

量子物理 · 物理学 2022-11-15 G. L. Klimchitskaya , U. Mohideen , V. M. Mostepanenko

The Casimir force between macroscopic bodies is well understood, but not the Casimir stress inside bodies. Suppose empty space or a uniform medium meets a soft wall where the refractive index is continuous but its derivative jumps. For this…

量子物理 · 物理学 2017-11-15 Itay Griniasty , Ulf Leonhardt

We propose a definitive test of whether plates involved in Casimir experiments should be modeled with ballistic or diffusive electrons--a prominent controversy highlighted by a number of conflicting experiments. The unambiguous test we…

量子物理 · 物理学 2015-06-30 Andrew A. Allocca , Justin H. Wilson , Victor Galitski

We consider the vacuum energy of the electromagnetic field in the background of spherically symmetric dielectrics, subject to a cut-off frequency in the dispersion relations. The effect of this frequency dependent boundary condition between…

高能物理 - 理论 · 物理学 2007-05-23 H. Falomir , K. Rébora

The Casimir effect arises when long-ranged fluctuations are geometrically confined between two surfaces, leading to a macroscopic force. Traditionally, these forces have been observed in quantum systems and near critical points in classical…

软凝聚态物质 · 物理学 2017-01-19 Justin C. Burton , Juan-José Liétor-Santos

The Casimir repulsion between a metal and a dielectric suspended in a liquid has been thoroughly studied in recent experiments. In the present paper we consider surface modes in three layered systems modeled by dielectric functions…

量子物理 · 物理学 2009-11-02 I. Pirozhenko , A. Lambrecht

We present a full analysis of the mode spectrum in a cavity formed by two parallel plates, one of which is a magneto-dielectric, e.g. a metamaterial, while the other one is metallic, and obtain dispersion relations in closed form. The…

量子物理 · 物理学 2013-12-03 Harald R. Haakh , Francesco Intravaia

Two thin conducting, electrically neutral, parallel plates forming an isolated system in vacuum exert attracting force on each other, whose origin is the quantum electrodynamical interaction. This theoretical hypothesis, known as Casimir…

高能物理 - 理论 · 物理学 2007-05-23 Andrzej Herdegen

Using a recently developed theory of the Casimir force (Raabe C and Welsch D-G 2005 Phys. Rev. A 71 013814), we calculate the force that acts on a plate in front of a planar wall and the force that acts on the plate in the case where the…

量子物理 · 物理学 2009-11-11 Christian Raabe , Dirk-Gunnar Welsch