A New Integrable Model of (1+1)-Dimensional Dilaton Gravity Coupled to Toda Matter

Details A New Integrable Model of (1+1)-Dimensional Dilaton Gravity Coupled to Toda Matter A New Integrable Model of (1+1)-Dimensional Dilaton Gravity Coupled to Toda Matter

2008-01-08

arxiv.org/abs/0801.1312v2

Physics

High Energy Physics

High Energy Physics - Theory

10 pages; typos corrected, two footnotes and one reference added

Scientific paper

A new class of integrable two-dimensional dilaton gravity theories, in which scalar matter fields satisfy the Toda equations, is proposed. The simplest case of the Toda system is considered in some detail, and on this example we outline how the general solution can be obtained. Then we demonstrate how the wave-like solutions of the general Toda systems can be simply derived. In the dilaton gravity theory this solutions describe nonlinear waves coupled to gravity. A special attention is paid to making the analytic structure of the solutions of the Toda equations as simple and transparent as possible, with the aim to apply the idea of the separation of variables to non-integrable theories.

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