THERMAL CASIMIR FORCE BETWEEN MAGNETIC MATERIALS
نویسندگان
چکیده
منابع مشابه
New approach to the thermal Casimir force between real metals
The new approach to the theoretical description of the thermal Casimir force between real metals is presented. It uses the plasma-like dielectric permittivity that takes into account the interband transitions of core electrons. This permittivity precisely satisfies the Kramers-Kronig relations. The respective Casimir entropy is positive and vanishes at zero temperature in accordance with the Ne...
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Mauro Antezza,* Lev P. Pitaevskii, Sandro Stringari, and Vitaly B. Svetovoy Dipartimento di Fisica, Università di Trento and CNR-INFM R&D Center on Bose-Einstein Condensation, Via Sommarive 14, I-38050 Povo, Trento, Italy Kapitza Institute for Physical Problems, ul. Kosygina 2, 119334 Moscow, Russia MESA Research Institute, University of Twente, PO 217, 7500 AE Enschede, The Netherlands Receive...
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The Casimir interaction is omnipresent source of forces at small separations between bodies, which is difficult to change by varying external conditions. Here we show that graphene interacting with a metal can have the best known force contrast to the temperature and the Fermi level variations. In the distance range 50–300 nm the force is measurable and can vary a few times for graphene with a ...
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We extend our approach to the Casimir effect between absorbing dielectric multilayers [M. S. Tomaš, Phys. Rev. A 66, 052103 (2002)] to magnetodielectric systems. The resulting expression for the force is used to numerically explore the effect of the medium dispersion on the attractive/repulsive force in a metal-magnetodielectric system described by the Drude-Lorentz permittivities and permeabil...
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With the recent growth of nano physics, the Casimir effect has gained more attention, and this time also on the experimental side [2–6], because it is clear that Casimir forces will have to be taken into account where micro and nanostructures are involved [7,8]. These experiments were made between a sphere and a plate, a setup that has proved more easily applicable in experiments. Recently Ianu...
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ژورنال
عنوان ژورنال: International Journal of Modern Physics A
سال: 2010
ISSN: 0217-751X,1793-656X
DOI: 10.1142/s0217751x10049566