期刊
NUCLEAR PHYSICS B
卷 896, 期 -, 页码 1-18出版社
ELSEVIER
DOI: 10.1016/j.nuclphysb.2015.04.008
关键词
-
资金
- grant for Leading Russian Scientific Schools [88.2014.2]
- RFBR [15-02-03594]
- Russian Ministry of Education and Science [3.867.2014/K]
- Australian Research Council [DP120101340]
- Shota Rustaveli National Science Foundation [31/89]
- grant for Leading Russian Scientific Schools [88.2014.2]
- RFBR [15-02-03594]
- Russian Ministry of Education and Science [3.867.2014/K]
- Australian Research Council [DP120101340]
- Shota Rustaveli National Science Foundation [31/89]
We consider massive half-integer higher spin fields coupled to an external constant electromagnetic field in fiat space of an arbitrary dimension and construct a gauge invariant Lagrangian in the linear approximation in the external field. A procedure for finding the gauge-invariant Lagrangians is based on the BRST construction where no off-shell constraints on the fields and on the gauge parameters are imposed from the very beginning. As an example of the general procedure, we derive a gauge invariant Lagrangian for a massive fermionic field with spin 3/2 which contains a set of auxiliary fields and gauge symmetries. (C) 2015 The Authors. Published by Elsevier B.V.
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