6 citations · 6 across the 4 of their papers we have counts for
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gr-qc2005
Fermionic sectors for the Kodama state
Stephon Alexander, Kristin Schleich, Donald M. Witt
Diffeomorphisms not connected to the identity can act nontrivially on the quantum state space for gravity. However, in stark contrast to the case of nonabelian Yang-Mills field the…
gr-qc2003
The geometrization of matter proposal in the Barrett-Crane model and resolution of cosmological problems
S. Alexander, L. Crane, M. D. Sheppeard
We give an overview of the current issues in early universe cosmology and consider the potential resolution of these issues in an as yet nascent spin foam cosmology. The model is t…