Any link between Plebanski and McDowell-Mansouri formulations of GR?


by ubugnu
Tags: bf theory, cartan geometry, mcdowell-mansouri, plebanski, spin-foam
ubugnu
ubugnu is offline
#1
Mar4-10, 10:25 AM
P: 3
Bonjour,
The two can be related to a BF theory, the Plebanski one is the basis of the spin-foam model, the MacDowell-Mansouri one appears the more "natural" in the context of Cartan geometry. Is the fact that they can both be expressed as a deformed BF theory the only link between them?
Merci.
Phys.Org News Partner Science news on Phys.org
Internet co-creator Cerf debunks 'myth' that US runs it
Astronomical forensics uncover planetary disks in Hubble archive
Solar-powered two-seat Sunseeker airplane has progress report

Register to reply

Related Discussions
different formulations of pQCD High Energy, Nuclear, Particle Physics 0
Nine formulations of Quantum Mechanics Quantum Physics 2
Lagrange multiplier in Plebanski action General Physics 2