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- Title
Principle of stationary action in the theory of superfluid systems with spontaneously broken translational symmetry.
- Authors
Peletminskii, A. S.; Peletminskii, S. V.
- Abstract
We construct a Lagrangian describing the low-frequency dynamics of a system with spontaneously broken phase and translational symmetry (a supersolid). Using the principle of stationary action, we obtain the hydrodynamic equations for the considered system. We give a relativistic generalization of the obtained equations of motion in terms of the the Gibbs thermodynamic potential density.
- Subjects
STATIONARY processes; SUPERFLUIDITY; THERMODYNAMIC potentials; GIBBS' free energy; TRANSLATIONAL motion; SYMMETRY (Physics)
- Publication
Theoretical & Mathematical Physics, 2009, Vol 160, Issue 2, p1146
- ISSN
0040-5779
- Publication type
Article
- DOI
10.1007/s11232-009-0107-2