Abstract
We present an interesting reformulation of a collection of dilaton gravity models in two spacetime dimensions into a field theory of two decoupled Liouville fields in flat space, in the presence of a Maxwell gauge field. An effective action is also obtained, encoding the dynamics of the dilaton field and the single gravitational degree of freedom in a decoupled regime. This effective action represents an interesting starting point for future work, including the canonical quantization of these classes of nontrivial models of gravity-coupled matter systems.
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