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The Casimir effect in quantum electrodynamics (QED) is perhaps the best-known example of fluctuation-induced long-ranged force acting on objects (conducting plates) immersed in a fluctuating medium (quantum electromagnetic field in vacuum).…

统计力学 · 物理学 2009-07-13 Andrea Gambassi

We compute an analog Casimir effect in a one-dimensional spinless Luttinger liquid confined to a segment in the presence of a nearly-impenetrable partition dividing the segment into two compartments. The Casimir interaction is found to be a…

介观与纳米尺度物理 · 物理学 2014-11-18 Eugene B. Kolomeisky , Joseph P. Straley , Michael Timmins

We review several aspects related to the confinement of a massless scalar field in a cavity with a movable conducting wall of finite mass, free to move around its equilibrium position to which it is bound by a harmonic potential, and whose…

The Casimir force between two parallel thick plates, one perfectly dielectric, the other purely magnetic, has been calculated long ago by Boyer [T. H. Boyer, Phys. Rev. A {\bf 9}, 2078 (1974)]. Its most characteristic property is that it is…

量子物理 · 物理学 2018-08-15 Johan S. Høye , Iver Brevik

Casimir-type forces, such as those between two neutral conducting plates, or between a sphere, atom or molecule and a plate have been widely studied and are becoming of increasing significance, for example, in nanotechnology. A key…

量子物理 · 物理学 2014-03-24 Alvaro M. Alhambra , Achim Kempf , Eduardo Martin-Martinez

We compute the Casimir energy of a real scalar field in the presence of a pair of partially transparent plane mirrors, modeled by Dirac delta potentials.

高能物理 - 理论 · 物理学 2007-05-23 R. M. Cavalcanti

We evaluate the Casimir energy and force for a massive scalar field with general curvature coupling parameter, subject to Robin boundary conditions on two codimension-one parallel plates, located on a $(D+1)$-dimensional background…

高能物理 - 理论 · 物理学 2009-12-10 E. Elizalde , S. D. Odintsov , A. A. Saharian

We consider a system consisting of a quantum, massless, real scalar field, in the presence of nonlinear mirrors: infinite parallel planes, upon which the field satisfies nonlinear boundary conditions. The latter are implemented by…

高能物理 - 理论 · 物理学 2015-12-30 C. D. Fosco , L. E. Oxman

This paper explores how magnetic fields affect the Casimir effect within the context of a simple quasi-1D interacting fermionic system. A novel phenomenon emerges, resulting from the interaction between external magnetic fields and boundary…

高能物理 - 理论 · 物理学 2024-10-28 Antonino Flachi , Muneto Nitta , Satoshi Takada , Ryosuke Yoshii

The Casimir effect in a dispersive and absorbing multilayered system is considered adopting the (net) vacuum-field pressure point of view to the Casimir force. Using the properties of the macroscopic field operators appropriate for…

量子物理 · 物理学 2009-11-07 M. S. Tomas

The fermion condensate (FC) is investigated for a (2+1)-dimensional massive fermionic field confined on a truncated cone with an arbitrary planar angle deficit and threaded by a magnetic flux. Different combinations of the boundary…

高能物理 - 理论 · 物理学 2021-03-24 A. A. Saharian , T. A. Petrosyan , A. A. Hovhannisyan

We study a quantum model of dynamical Casimir effect in an optical cavity enclosed by a freely moving mirror attached to a harmonic spring. The quantum fluctuations of the friction force exerted by the dynamical Casimir emission onto the…

量子物理 · 物理学 2020-01-29 Salvatore Butera , Iacopo Carusotto

We present a new derivation of the Casimir force between two parallel plane mirrors at zero temperature. The two mirrors and the cavity they enclose are treated as quantum optical networks. They are in general lossy and characterized by…

量子物理 · 物理学 2007-05-23 Cyriaque Genet , Astrid Lambrecht , Serge Reynaud

The Casimir effect refers to the existence of a macroscopic force between conducting plates in vacuum due to quantum fluctuations of fields. These forces play an important role, among other things, in the design of nano-scale mechanical…

高能物理 - 理论 · 物理学 2015-06-03 Dimitra Karabali

If a fluctuating medium is confined, the ensuing perturbation of its fluctuation spectrum generates Casimir-like effective forces acting on its confining surfaces. Near a continuous phase transition of such a medium the corresponding order…

软凝聚态物质 · 物理学 2011-02-15 A. Gambassi , A. Maciolek , C. Hertlein , U. Nellen , L. Helden , C. Bechinger , S. Dietrich

We study the effects of the minimal extension of the standard model including Lorentz violation on the Casimir force between two parallel conducting plates in vacuum. We provide explicit solutions for the electromagnetic field using scalar…

高能物理 - 唯象学 · 物理学 2008-11-26 Mariana Frank , Ismail Turan

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

In this work the Casimir effect is studied for scalar fields in the presence of boundaries and under the influence of arbitrary smooth potentials of compact support. In this setting, piston configurations are analyzed in which the piston is…

高能物理 - 理论 · 物理学 2013-02-27 Matthew Beauregard , Guglielmo Fucci , Klaus Kirsten , Pedro Morales

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

Quantum vacuum energy has been known to have observable consequences since 1948 when Casimir calculated the force of attraction between parallel uncharged plates, a phenomenon confirmed experimentally with ever increasing precision. Casimir…

高能物理 - 理论 · 物理学 2016-11-09 Kimball A. Milton
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