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The Casimir-Polder force is analyzed when an atom is moving at a constant velocity relative to a collection of translationally invariant macroscopic bodies with generic shapes and compositions. The interaction is described within an…

量子物理 · 物理学 2026-02-19 D. Reiche , B. Beverungen , K. Busch , F. Intravaia

The zero-temperature Casimir-Lifshitz force between two plates moving parallel to each other at arbitrary constant speed was found in [New J. Phys. 11, 033035 (2009)]. The solution is here generalized to the case where the plates are at…

量子物理 · 物理学 2009-05-11 T. G. Philbin , U. Leonhardt

The physical origin of the negative thermal correction to the Casimir force between metals is clarified. For this purpose the asymptotic behavior of the thermal Casimir force is analyzed at large and small distances in the real frequency…

量子物理 · 物理学 2009-11-13 Vitaly B. Svetovoy

We provide a review of both new experimental and theoretical developments in the Casimir effect. The Casimir effect results from the alteration by the boundaries of the zero-point electromagnetic energy. Unique to the Casimir force is its…

量子物理 · 物理学 2008-11-26 M. Bordag , U. Mohideen , V. M. Mostepanenko

The Galilean covariance, formulated in 5-dimensions space, describes the non-relativistic physics in a way similar to quantum field theory. Using a non-relativistic approach the Stefan-Boltzmann law and the Casimir effect at finite…

高能物理 - 理论 · 物理学 2017-11-27 S. C. Ulhoa , A. F. Santos , Faqir C. Khanna

The thermal Casimir effect in ideal metal rectangular boxes is considered using the method of zeta functional regularization. The renormalization procedure is suggested which provides the finite expression for the Casimir free energy in any…

量子物理 · 物理学 2008-12-18 B. Geyer , G. L. Klimchitskaya , V. M. Mostepanenko

Analogous to the Hall effect, the Nernst effect is the generation of a transverse voltage due to a temperature gradient in the presence of a perpendicular magnetic field. The Nernst effect has promise for thermoelectric applications and as…

强关联电子 · 物理学 2021-04-20 T. Asaba , V. Ivanov , S. M. Thomas , S. Y. Savrasov , J. D. Thompson , E. D. Bauer , F. Ronning

It is shown that the violation of the positiveness of the entropy due to the Casimir-Lifshitz interaction claimed in several papers is an artifact related to an improper interpretation of the "Casimir entropy", which actually is a…

统计力学 · 物理学 2015-05-20 Lev P. Pitaevskii

When comparing experimental results with theoretical predictions of the Casimir force, the accuracy of the theory is as important as the precision of experiments. Here we evaluate the Casimir force when finite conductivity of the reflectors…

量子物理 · 物理学 2009-11-07 Cyriaque Genet , Astrid Lambrecht , Serge Reynaud

We discuss and analyze the properties of Casimir forces acting between nonreciprocal objects in thermal equilibrium. By starting from the fluctuation-dissipation theorem and splitting the force into those arising from individual sources, we…

量子物理 · 物理学 2022-10-12 David Gelbwaser-Klimovsky , Noah Graham , Mehran Kardar , Matthias Krüger

We consider the Casimir-Helmholtz free energy at nonzero temperature $T$ for a circular cylinder and perfectly conducting wedge closed by a cylindrical arc, either perfectly conducting or isorefractive. The energy expression at nonzero…

高能物理 - 理论 · 物理学 2012-03-23 Simen Å. Ellingsen , Iver Brevik , Kimball A. Milton

We derive the low-temperature behavior of the Casimir-Polder free energy for a polarizable atom interacting with graphene sheet which possesses the nonzero energy gap $\Delta$ and chemical potential $\mu$. The response of graphene to the…

介观与纳米尺度物理 · 物理学 2020-07-01 G. L. Klimchitskaya , V. M. Mostepanenko

The universal analytic expressions in the limit of low temperatures (short separations) are obtained for the free energy, entropy and pressure between the two parallel plates made of any dielectric. The analytical proof of the Nernst heat…

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

The Lifshitz theory of dispersion forces leads to thermodynamic and experimental inconsistencies when the role of drifting charge carriers is included in the model of the dielectric response. Recently modified reflection coefficients were…

A complete thermodynamic treatment of the Casimir effect is presented. Explicit expressions for the free and the internal energy, the entropy and the pressure are discussed. As an example we consider the Casimir effect with different…

量子物理 · 物理学 2011-10-11 H. Mitter , D. Robaschik

The Nernst formulation of the third law of ordinary thermodynamics (often referred to as the ``Nernst theorem'') asserts that the entropy, $S$, of a system must go to zero (or a ``universal constant'') as its temperature, $T$, goes to zero.…

广义相对论与量子宇宙学 · 物理学 2016-08-25 Robert M. Wald

We investigate the role of surface plasmons in the electromagnetic Casimir effect at finite temperature, including situations out of global thermal equilibrium. The free energy is calculated analytically and expanded for different regimes…

量子物理 · 物理学 2010-08-05 F. Intravaia , H. Haakh , C. Henkel

We find the low-temperature behavior of the Casimir-Polder free energy and entropy for an atom interacting with real graphene sheet possessing nonzero energy gap and chemical potential. Employing the formalism of the polarization tensor, it…

量子物理 · 物理学 2020-02-06 G. L. Klimchitskaya

The Casimir friction problem for a pair of dielectric particles in relative motion is analyzed, utilizing a microscopic model in which we start from statistical mechanics for harmonically oscillating particles at finite temperature moving…

量子物理 · 物理学 2015-05-18 Johan S. Høye , Iver Brevik

In this Comment we show that the temperature-dependent effective Hamiltonian derived by Reslen {\it et al} [Europhys. Lett., {\bf 69} (2005) 8] or that one by Liberti and Zaffino [arXiv:cond-mat/0503742] for the Dicke model cannot be…

量子物理 · 物理学 2007-05-23 J. G. Brankov , N. S. Tonchev , V. A. Zagrebnov