386 citations · 5.6k across the 175 of their papers we have counts for
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Proper time is stochastic time in 2d quantum gravity
J. Ambjorn, R. Loll, Y. Watabiki +2
We show that proper time, when defined in the quantum theory of 2d gravity, becomes identical to the stochastic time associated with the stochastic quantization of space. This obse…
New aspects of two-dimensional quantum gravity
J. Ambjorn, R. Loll, Y. Watabiki +2
Causal dynamical triangulations (CDT) can be used as a regularization of quantum gravity. In two dimensions the theory can be solved anlytically, even before the cut-off is removed…
Stochastic quantization and the role of time in quantum gravity
J. Ambjorn, R. Loll, W. Westra +1
We show that the noncritical string field theory developed from two-dimensional quantum gravity in the framework of causal dynamical triangulations can be viewed as arising through…
Quantum gravity as sum over spacetimes
Jan Ambjorn, Jerzy Jurkiewicz, Renate Loll
A major unsolved problem in theoretical physics is to reconcile the classical theory of general relativity with quantum mechanics. These lectures will deal with an attempt to descr…
Summing over all Topologies in CDT String Field Theory
J. Ambjorn, R. Loll, W. Westra +1
By explicitly allowing for topology to change as a function of time, two-dimensional quantum gravity defined through causal dynamical triangulations gives rise to a new continuum s…