580 citations · 609 across the 2 of their papers we have counts for
2 papers
gr-qc2007★ 580 cited
LQG vertex with finite Immirzi parameter
Jonathan Engle, Etera Livine, Roberto Pereira +1
We extend the definition of the "flipped" loop-quantum-gravity vertex to the case of a finite Immirzi parameter. We cover the Euclidean as well as the Lorentzian case. We show that…
gr-qc2007★ 29 cited
Coherent states, constraint classes, and area operators in the new spin-foam models
Jonathan Engle, Roberto Pereira
Recently, two new spin-foam models have appeared in the literature, both motivated by a desire to modify the Barrett-Crane model in such a way that the imposition of certain second…