Symmetry and Integrability of a Reduced, 3-Dimensional Self-Dual Gauge Field Model

Details Symmetry and Integrability of a Reduced, 3-Dimensional Self-Dual Gauge Field Model Symmetry and Integrability of a Reduced, 3-Dimensional Self-Dual Gauge Field Model

2011-03-21

arxiv.org/abs/1103.3966v1

Physics

Mathematical Physics

17 pages

Scientific paper

A 3-dimensional reduction of the seld-dual Yang-Mills (SDYM) equation, named SDYM3, is examined from the point of view of its symmetry and integrability characteristics. By using a non-auto-Backlund transformation, this equation is connected to its potential form (PSDYM3) and a certain isomorphism between the Lie algebras of symmetries of the two systems is shown to exist. This isomorphism allows us to study the infinite-dimensional Lie algebraic structure of the "potential symmetries" of SDYM3 by examining the symmetry structure of PSDYM3 (which is an easier task). By using techniques described in a recent paper, the recursion operators for both SDYM3 and PSDYM3 are derived. Moreover, a Lax pair and an infinite set of nonlocal conservation laws for SDYM3 are found, reflecting the fact that SDYM3 is a totally integrable system. This system may physically represent gravitational fields or chiral fields.

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