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Quantum fluctuations give rise to van der Waals and Casimir forces that dominate the interaction between electrically neutral objects at sub-micron separations. Under the trend of miniaturization, such quantum electrodynamical effects are…

介观与纳米尺度物理 · 物理学 2013-05-20 J. Zou , Z. Marcet , A. W. Rodriguez , M. T. H. Reid , A. P. McCauley , I. I. Kravchenko , T. Lu , Y. Bao , S. G. Johnson , H. B. Chan

We propose an approach for investigation of interaction of thin material films with quantum electrodynamic fields. Using main principles of quantum electrodynamics (locality, gauge invariance, renormalizability) we construct a single model…

高能物理 - 理论 · 物理学 2007-05-23 V. N. Markov , Yu. M. Pis'mak

We investigate the role of size quantization in the vacuum force between metallic films of nanometric thickness. The force is calculated by the Lifshitz formula with the film dielectric tensor derived from the one-electron energies and…

量子物理 · 物理学 2015-05-13 A. Benassi , C. Calandra

We consider the problem of modeling of interaction of thin material films with fields of quantum electrodynamics. Taking into account the basic principles of quantum electrodynamics (locality, gauge invariance, renormalizability) we…

高能物理 - 理论 · 物理学 2009-11-11 V. N. Markov , Yu. M. Pis'mak

Vacuum fluctuation-induced interactions between macroscopic metallic objects result in an attractive force between them, a phenomenon known as the Casimir effect. This force is the result of both plasmonic and photonic modes. For very thin…

量子物理 · 物理学 2023-05-24 Tao Gong , Inigo Liberal , Benjamin Spreng , Miguel Camacho , Nader Engheta , Jeremy N. Munday

The Casimir effect is a quantum phenomenon induced by the zero-point energy of relativistic fields confined in a finite-size system. This effect for photon fields has been studied for a long time, while the realization of counterparts for…

介观与纳米尺度物理 · 物理学 2023-06-22 Katsumasa Nakayama , Kei Suzuki

For the first time we present analytical results for the contribution of electromagnetic fluctuations into thermodynamic properties of modulated systems, like cholesteric or smectic liquid crystalline films. In the case of small dielectric…

软凝聚态物质 · 物理学 2009-11-10 I. E. Dzyaloshinskii , E. I. Kats

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

The critical Casimir effect provides a thermodynamic analogue of the well-known quantum mechanical Casimir effect. It acts between two surfaces immersed in a critical binary liquid mixture, and results from the confinement of concentration…

软凝聚态物质 · 物理学 2015-06-15 Van Duc Nguyen , Suzanne Faber , Zhibing Hu , Gerard H. Wegdam , Peter Schall

he Casimir force is calculated between plates with thin metallic coating. Thin films are described with spatially dispersive (nonlocal) dielectric functions. For thin films the nonlocal effects are more relevant than for half-spaces.…

量子物理 · 物理学 2007-05-23 R. Esquivel , V. Svetovoy

We have used density functional theory to calculate the anisotropic dielectric functions for ultrathin gold sheets (composed of 1, 3, 6, and 15 atomic layers). Such films are important components in nano-electromechanical systems. When…

介观与纳米尺度物理 · 物理学 2013-02-14 M. Boström , C. Persson , Bo E. Sernelius

The Casimir force between bodies in vacuum can be understood as arising from their interaction with an infinite number of fluctuating electromagnetic quantum vacuum modes, resulting in a complex dependence on the shape and material of the…

The Casimir force, which results from the confinement of the quantum mechanical zero-point fluctuations of the electromagnetic fields, has received significant attention in recent years for its effect on micro- and nano-scale mechanical…

原子物理 · 物理学 2009-11-13 J. N. Munday , Federico Capasso

Strong coupling between vacuum fields and quantum matter occurs at the nanoscale and broadens the horizon of light-matter interaction. Nanoscale Casimir force, as an exhibition of vacuum fields, inevitably experiences the influence of…

介观与纳米尺度物理 · 物理学 2025-04-14 Hewan Zhang , Kun Ding

We have investigated the role of the quantum size effects in the evaluation of the force caused by electromagnetic vacuum fluctuations between ultra-thin films, using the dielectric tensor derived from the particle in a box model.…

量子物理 · 物理学 2009-11-13 Andrea Benassi , Carlo Calandra

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

Casimir effect is the attractive force which acts between two plane parallel, closely spaced, uncharged, metallic plates in vacuum. This phenomenon was predicted theoretically in 1948 and reliably investigated experimentally only in recent…

量子物理 · 物理学 2009-11-13 G. L. Klimchitskaya , V. M. Mostepanenko

The physical origin of the Casimir force is connected with the existence of zero-point and thermal fluctuations. The Casimir effect is very general and finds applications in various fields of physics. This review is limited to the rapid…

其他凝聚态物理 · 物理学 2014-11-18 G. L. Klimchitskaya , U. Mohideen , V. M. Mostepanenko

We compute the electromagnetic fluctuations due to evanescent-wave Johnson noise in the vicinity of a thin conducting film, such as a metallic gate or a 2-dimensional electron gas. This noise can decohere a nearby qubit and it is also…

介观与纳米尺度物理 · 物理学 2014-05-20 Luke S. Langsjoen , Amrit Poudel , Maxim G. Vavilov , Robert Joynt
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