a Crossing Symmetric Hamiltonian in Loop Quantum Gravity?

Details a Crossing Symmetric Hamiltonian in Loop Quantum Gravity? a Crossing Symmetric Hamiltonian in Loop Quantum Gravity?

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002nmgm.meet.1289g&link_type=abstract

"THE NINTH MARCEL GROSSMANN MEETING On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and R

Physics

Scientific paper

A spin foam reformulation of loop quantum gravity suggests a modification of the Hamiltonian constraint operator. In Euclidean quantum gravity, local 4d diffeomorphism invariance of GR implies SO(4) invariance of spin foam vertex amplitudes. We investigate the possibility of constructing a model exhibiting this invariance, denoted as crossing symmetry.

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