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The Casimir force is a universal interaction induced by electromagnetic quantum fluctuations between any types of objects. The expansion of the graphene family by adding silicene, germanene, and stanene, 2D allotropes of Si, Ge, and Sn,…

介观与纳米尺度物理 · 物理学 2017-03-16 Pablo Rodriguez-Lopez , Wilton J. M. Kort-Kamp , Diego A. R. Dalvit , Lilia M. Woods

Non-Commutative space-time introduces a fundamental length scale suggested by approaches to quantum gravity. Here we report the analysis of the Casimir effect for parallel plates separated by a distance of $L$ using a Lorentz invariant…

高能物理 - 理论 · 物理学 2024-02-08 E. Harikumar , Suman Kumar Panja

We analyze the Casimir densities and forces associated with a massive scalar quantum field confined between two parallel plates in a D-dimensional cosmic string spacetime. The plates are placed orthogonal to the string and the field obeys…

高能物理 - 理论 · 物理学 2018-05-03 E. R. Bezerra de Mello , A. A. Saharian , S. V. Abajyan

We consider the Casimir effect in a (1+1)-dimensional model with a critical mode. Such a mode gives rise to a condensate described by the nonlinear Gross-Pitaevskii equation. In the condensate, there are two sources of the Casimir force;…

量子物理 · 物理学 2025-02-14 M. Bordag , I. G. Pirozhenko

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

Several years ago we demonstrated that the Casimir energy for perfectly reflecting and imperfectly reflecting parallel plates gravitated normally, that is, obeyed the equivalence principle. At that time the divergences in the theory were…

高能物理 - 理论 · 物理学 2024-04-08 K. A. Milton , K. V. Shajesh , S. A. Fulling , Prachi Parashar

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 explore the Casimir effect of a rough membrane within the framework of theories that break Lorentz symmetry. We consider two constant Aether vectors: one timelike and other spacelike, simultaneously. We employ an appropriate change of…

高能物理 - 理论 · 物理学 2024-11-19 Byron Droguett , Claudio Bórquez

We calculate the Casimir force between two parallel plates if the boundary conditions for the photons are modified due to presence of the Chern-Simons term. We show that this effect should be measurable within the present experimental…

高能物理 - 理论 · 物理学 2008-11-26 M. Bordag , D. V. Vassilevich

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

The Casimir effect is a quantum phenomenon rooted in the fact that vacuum fluctuations of quantum fields are affected by the presence of physical objects and boundaries. Since the energy spectrum of the vacuum fluctuations depends on…

高能物理 - 理论 · 物理学 2023-02-08 M. N. Chernodub , V. A. Goy , A. V. Molochkov

We formulate the Babinet Principle (BP) as a relation between the scattering amplitudes for electromagnetic waves, and combine it with multiple scattering techniques to derive new properties of Casimir forces. We show that the Casimir force…

量子物理 · 物理学 2011-09-22 Mohammad F. Maghrebi , Ronen Abravanel , Robert L. Jaffe

Casimir forces between charge-neutral bodies originate from quantum vacuum fluctuations of electromagnetic fields, which exhibit a critical dependence on material's electromagnetic properties. Over the years, in-situ modulation of…

应用物理 · 物理学 2022-12-27 Tao Gong , Benjamin Spreng , Miguel Camacho , Inigo Liberal , Nader Engheta , Jeremy N. Munday

We study the Casimir effect with different temperatures between the plates ($T$) resp. outside of them ($T'$). If we consider the inner system as the black body radiation for a special geometry, then contrary to common belief the…

量子物理 · 物理学 2007-05-23 H. Mitter , D. Robaschik

The dynamical Casimir effect is the generation of pairs of real particles or photons from the vacuum as a result of a non-adiabatic change of a system parameter or boundary condition. As opposed to standard parametric amplification where…

We consider the Casimir pressure between two graphene sheets and contributions to it determined by evanescent and propagating waves with different polarizations. For this purpose, the derivation of the 2-dimensional (2D) Fresnel reflection…

量子物理 · 物理学 2023-11-02 Galina L. Klimchitskaya , Vladimir M. Mostepanenko

Eigenmodes of electromagnetic field with perfectly conducting or infinitely permeable conditions on the boundary of a D-dimensional spherically symmetric cavity is derived explicitly. It is shown that there are (D-2) polarizations for TE…

高能物理 - 理论 · 物理学 2014-11-20 L. P. Teo

We theoretically investigate the dynamical Casimir effect in electrical circuits based on superconducting microfabricated waveguides with tunable boundary conditions. We propose to implement a rapid modulation of the boundary conditions by…

量子物理 · 物理学 2010-12-08 J. R. Johansson , G. Johansson , C. M. Wilson , Franco Nori

We present the foundations of a new approach to the Casimir effect based on classical ray optics. We show that a very useful approximation to the Casimir force between arbitrarily shaped smooth conductors can be obtained from knowledge of…

量子物理 · 物理学 2009-11-10 A. Scardicchio , R. L. Jaffe

The Casimir-Lifhitz force acts between neutral material bodies and is due to the fluctuations (around zero) of the electrical polarizations of the bodies. This force is a macroscopic manifestation of the van der Waals forces between atoms…

量子物理 · 物理学 2022-01-28 Iver Brevik , Boris Shapiro