paper

Integrable dissipative structures in the gauge theory of gravity

arXiv:hep-th/9710140 · doi:10.1088/0264-9381/14/12/005

Abstract

The Jackiw-Teitelboim gauge formulation of the 1+1 dimensional gravity allows us to relate different gauge fixing conditions with integrable hierarchies of evolution equations. We show that the equations for the Zweibein fields can be written as a pair of time reversed evolution equations of the reaction-diffusion type, admitting dissipative solutions. The spectral parameter for the related Lax pair appears as the constant valued spin connection associated with the gauge symmetry. Spontaneous breaking of the non-compact symmetry and the irreversible evolution are discussed.

12 pages, Latex, no figures, to appear in Class. Quantum. Grav

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