Abstract
A model of two-dimensional quantum gravity that is the analog of the tensionless string is proposed. The gravitational constant ( ) is the analog of the Regge slope ( ), and it shows that when , 2D quantum gravity can be understood as a tensionless string theory embedded in a two-dimensional target space. The temporal coordinate of the target space plays the role of time, and the wave function can be interpreted as in standard quantum mechanics.
- Received 11 October 1994
DOI:https://doi.org/10.1103/PhysRevLett.74.1900
©1995 American Physical Society