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Generalizations of Yang–Mills theory with nonlinear constitutive equations

Gerald A Goldin1 and Vladimir M Shtelen2

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We generalize classical Yang–Mills theory by extending nonlinear constitutive equations for Maxwell fields to non-Abelian gauge groups. Such theories may or may not be Lagrangian. We obtain conditions on the constitutive equations specifying the Lagrangian case, of which recently discussed non-Abelian Born–Infeld theories are particular examples. Some models in our class possess nontrivial Galilean (c) limits; we determine when such limits exist and obtain them explicitly.


PACS

11.15.-q Gauge field theories

11.10.Ef Lagrangian and Hamiltonian approach

11.10.Lm Nonlinear or nonlocal theories and models

MSC

70S15 Yang-Mills and other gauge theories

81T13 Yang-Mills and other gauge theories (See also 53C07, 58E15)

Subjects

Particle physics and field theory

Dates

Issue 44 (5 November 2004)

Received 14 April 2004

Published 20 October 2004



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