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Definition of n-point function in nonperturbative quantum gravity and low energy limit of the loop-spin foam formalism

Date: 
Thursday 10th November 2005 - 16:00 to 17:00
Venue: 
INI Seminar Room 1
Abstract: 

The boundary formulation of quantum field theory can be used to provide a background-independent definition of n-point function. The application of this idea to a tentative loop/spinfoam theory defined via group-field-theory methods leads to a two-point function that, at a preliminary analysis appears to be consistent with the propagator of general relativity, and therefore with the Newton law.

University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons