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On anisotropy of the pressure tensor and the force density for a polarizable fluid in an electromagnetic field

✍ Scribed by L.G. Suttorp; S.R. De Groot

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
393 KB
Volume
108
Category
Article
ISSN
0378-4371

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✦ Synopsis

By means of a statistical derivation it is shown that the momentum-balance equation of a polarized fluid contains a force term that is the divergence of an anisotropic tensor (l/S)PP + (l/lO)P'U, where P is the polarization. However, for a fluid in equilibrium this force term is compensated by an anisotropic part in the pressure tensor. The same is true for a fluid in an optical field if time-averaged quantities are considered.

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