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Sep5-03, 10:33 AM
"Quantum Gravity and Inflation"---a new paper
Originally posted by jeff
Take a look at this very brief (3 pages) paper. The author proposes yet another possible way to avoid the SU(2) → SO(3) problem by replacing SU(2) with the supergroup Osp(1|2). In this case, the immirzi parameter is twice the usual non-supersymmetric value, one consequence of which is that, effectively, only integer spins contribute to area.
Btw, I found equation (20) - particularly it's left-hand side - oddly moving, though I couldn't quite put my finger on why.
my compliments on this post
the BTW comment is charmingly put and very funny
I have immediately downloaded and printed out the paper
which is by a couple of Beijing guys
and have, of course, given great attention to equation (20)