The 2d gravity coupled to a dilaton field with the action This action ( CGHS ) arises in a low-energy asymptotic of string theory models and in certain.
Black Hole Thermodynamics
Hyeong-Chan Kim* (Yonsei Univ. Korea) Jae-Weon Lee (KIAS Korea), Jungjai Lee (Daejin Univ. Korea), KITPC “String Theory and Cosmology” 2007, Oct. 10 Based.
