On the phase diagram of 2d Lorentzian Quantum Gravity
Jan Ambjorn, K. N. Anagnostopoulos, R. Loll
Abstract
The phase diagram of 2d Lorentzian quantum gravity (LQG) coupled to conformal matter is studied. A phase transition is observed at c=c crit (1/2<c crit<4) which can be thought of as the analogue of the c=1 barrier of Euclidean quantum gravity (EQG). The non--trivial properties of the quantum geometry are discussed.
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