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Kvantovaya Elektronika, 2012, Volume 42, Number 9, Pages 848–852 (Mi qe14755)  

Laser applications and other topics in quantum electronics

Light pressure on a solid body immersed in a liquid medium

V. P. Makarov, A. A. Rukhadze

Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow

Abstract: We have solved the problem about the force with which an electromagnetic pulse in a liquid (or gaseous) medium at rest affects a solid body (also at rest) immersed in it. We have shown that under certain conditions (relating to the characteristics of the medium and the pulse shape), the formula for the force exerted per unit area of a body surface is obtained from the Landau — Lifshitz equations for static fields in the same way as, according to Pitaevskii, the field stress tensor is obtained from the static field stress tensor with the dispersion taken into account. The formula for the force acting on the wall, from which an incident quasi-monochromatic plane wave with a given intensity is reflected, differs from the corresponding formula for the case when the body is in a vacuum by the factor ±n1, where n1 is the refractive index, and the upper (lower) sign corresponds to a positive (negative) group velocity of the wave in the medium.

Keywords: light pressure, dispersion, negative group velocity.

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English version:
Quantum Electronics, 2012, 42:9, 848–852

Bibliographic databases:

PACS: 42.50.Wk
Received: 10.10.2011
Revised: 02.07.2012

Citation: V. P. Makarov, A. A. Rukhadze, “Light pressure on a solid body immersed in a liquid medium”, Kvantovaya Elektronika, 42:9 (2012), 848–852 [Quantum Electron., 42:9 (2012), 848–852]

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  • http://mi.mathnet.ru/eng/qe/v42/i9/p848

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  • Квантовая электроника Quantum Electronics
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