Constant Dilaton Vacua and Kinks in 2D (Super-)Gravity

Details Constant Dilaton Vacua and Kinks in 2D (Super-)Gravity Constant Dilaton Vacua and Kinks in 2D (Super-)Gravity

2005-09-23

arxiv.org/abs/hep-th/0509183v2

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, Contributed to Third Workshop on Gravity, Astrophysics and Strings at the Black Sea, Kiten, Bulgaria, 13-20 Jun 2005.

Scientific paper

2D dilaton (super-)gravity contains a special class of solutions with constant dilaton, a kink-like solution connecting two of them was recently found in a specific model that corresponds to the KK reduced 3D Chern-Simons term. Here we develop the systematics of such solutions in generalized 2D dilaton gravity and supergravity. The existence and characteristics thereof essentially reduce to the discussion of the conformally invariant potential W, restrictions in supergravity come from the relation W=- 2 w^2. It is shown that all stable kink solutions allow a supersymmetric extension and are BPS therein. Some examples of polynomial potentials are presented.

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