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Phys. Rev. A 79, 027801 (2009) [4 pages]

Comment on “Casimir force acting on magnetodielectric bodies embedded in media”

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Iver Brevik and Simen A. Ellingsen
Department of Energy and Process Engineering, Norwegian University of Science and Technology, N-7491 Trondheim, Norway

Received 15 February 2008; published 2 February 2009

Ina recent paper [Raabe and Welsch, Phys. Rev. A 71,013814 (2005)] an electromagnetic energy-momentum tensor is suggested as analternative to the Abraham-Minkowski tensor and is applied to calculationsof Casimir forces in planar geometries. We argue that theuniversality of the suggested tensor is doubtful; application of theRaabe-Welsch theory to a simple example in classical electrodynamics showsthat their proposed tensor is unable to describe the situationin a simple way. We also show that modified Casimirforces acting on the cavity medium as prescribed by theseauthors suffer from problems of definiteness and peculiar properties whichcall for experimental support before this theory can be regardedas acceptable.

©2009 The American Physical Society

URL:	http://link.aps.org/doi/10.1103/PhysRevA.79.027801
DOI:	10.1103/PhysRevA.79.027801
PACS:	42.50.Nn; 03.70.+k; 12.20.Ds; 42.60.Da 42.50.Nn Quantum optical phenomena in absorbing, amplifying, dispersive and conducting media 03.70.+k Theory of quantized fields 12.20.Ds Specific calculations in quantum electrodynamics 42.60.Da Laser resonators, cavities, amplifiers, arrays, and rings YEAR: 2009
KEYWORDS:	Casimir effect, electrodynamics, electromagnetic fields, magnetostatics

See Also

Comment on "Casimir force acting on magnetodielectric bodies embedded in media"
L. P. Pitaevskii
Phys. Rev. A 73, 047801 (2006)

Reply to "Comment on `Casimir force acting on magnetodielectric bodies embedded in media' "
Christian Raabe and Dirk-Gunnar Welsch
Phys. Rev. A 73, 047802 (2006)

Casimir force acting on magnetodielectric bodies embedded in media
Christian Raabe and Dirk-Gunnar Welsch
Phys. Rev. A 71, 013814 (2005)

REFERENCES (35)

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C. Raabe and D.-G. Welsch, Phys. Rev. A 71, 013814 (2005).
L. P. Pitaevskii, Phys. Rev. A 73, 047801 (2006).
C. Raabe and D.-G. Welsch, Phys. Rev. A 73, 047802 (2006).
I. Brevik, Phys. Rev. B 33, 1058 (1986).
R. Loudon et al., Phys. Rev. E 55, 1071 (1997).
J. C. Garrison and R. Y. Chiao, Phys. Rev. A 70, 053826 (2004).
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U. Leonhardt, Phys. Rev. A 73, 032108 (2006).
C. Raabe and D.-G. Welsch, Phys. Rev. A 73, 063822 (2006).
O. J. Birkeland and I. Brevik, Phys. Rev. E 76, 066605 (2007).
R. N. C. Pfeifer et al., Rev. Mod. Phys. 79, 1197 (2007).
M. S. Tomaš, Phys. Rev. A 71, 060101(R) (2005);
H. B. G. Casimir and D. Polder, Phys. Rev. 73, 360 (1948).
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Related Articles

Comment on "Casimir force acting on magnetodielectric bodies embedded in media"
L. P. Pitaevskii
Phys. Rev. A 73, 047801 (2006)
Reply to "Comment on `Casimir force acting on magnetodielectric bodies embedded in media' "
Christian Raabe and Dirk-Gunnar Welsch
Phys. Rev. A 73, 047802 (2006)
Casimir force acting on magnetodielectric bodies embedded in media
Christian Raabe and Dirk-Gunnar Welsch
Phys. Rev. A 71, 013814 (2005)

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