The Energy-Momentum Tensor(s) in Classical Gauge Theories

Abstract : We give an introduction to, and review of, the energy-momentum tensors in classical gauge field theories in Minkowski space, and to some extent also in curved space-time. For the canonical energy-momentum tensor of non-Abelian gauge fields and of matter fields coupled to such fields, we present a new and simple improvement procedure based on gauge invariance for constructing a gauge invariant, symmetric energy-momentum tensor. The relationship with the Einstein-Hilbert tensor following from the coupling to a gravitational field is also discussed.
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Submitted on : Friday, May 13, 2016 - 10:22:44 AM
Last modification on : Thursday, March 15, 2018 - 11:40:10 AM

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D.N. Blaschke, F. Gieres, M. Reboud, M. Schweda. The Energy-Momentum Tensor(s) in Classical Gauge Theories. Nuclear Physics B, Elsevier, 2016, 912, pp.192-223. ⟨10.1016/j.nuclphysb.2016.07.001⟩. ⟨in2p3-01315387⟩

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