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Título

Gauge symmetry and Slavnov-Taylor identities for randomly stirred fluids

AutorBerera, Arjun; Hochberg, David
Palabras clave[PACS] Field-theoretic formulations and renormalization
[PACS] Classical field theories
[PACS] Field theory
Fecha de publicación19-dic-2007
EditorAmerican Physical Society
CitaciónPhysical Review Letters 99(25): 254501 (2007)
ResumenThe path integral for randomly forced incompressible fluids is shown to have an underlying Becchi-Rouet-Stora (BRS) symmetry as a consequence of Galilean invariance. This symmetry must be respected to have a consistent generating functional, free from both an overall infinite factor and spurious relations amongst correlation functions. We present a procedure for respecting this BRS symmetry, akin to gauge fixing in quantum field theory. Relations are derived between correlation functions of this gauge-fixed, BRS symmetric theory, analogous to the Slavnov-Taylor identities of quantum field theory.
Descripción4 pages, no figures.-- PACS nrs.: 47.27.ef; 03.50.-z; 11.10.-z.-- ISI Article Identifier: 000251887100027.-- ArXiv pre-print available at: http://arxiv.org/abs/0711.0825
Versión del editorhttp://dx.doi.org/10.1103/PhysRevLett.99.254501
URIhttp://hdl.handle.net/10261/13015
DOI10.1103/PhysRevLett.99.254501
ISSN0031-9007
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