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21 January 2022
 
  » arxiv » 1006.4130

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Perfect fluids: Field-theoretical description and gauge symmetry issue
Nikolai V. Mitskievich ;
Date 21 Jun 2010
AbstractWe show that combinations of (in general, non-linear) 2- and 3-form fields analogous to the Maxwell (1-form) field, completely describe perfect fluids, including the rotating ones. In the non-rotating case, the 2-form field in sufficient, and a free 3-form field proves to be equivalent to appearance of the cosmological term in Einstein’s equations (the square-root non-linearity corresponding to $Lambda=0$). The gauge degrees of freedom break down when a rotation is included, but even when they exist, there obviously fails to be realized an equivalence of the 2-form field and the massless scalar one recently claimed by Weinberg.
Source arXiv, 1006.4130
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