Jun 14 – 18, 2021
America/Toronto timezone

Relational dynamics in an emergent spacetime context

Jun 18, 2021, 9:20 AM
20m

Speaker

Luca Marchetti (University of Pisa, LMU Munich)

Description

I discuss the new dimension that the relational approach to the problem of time takes in quantum gravity contexts in which spacetime and geometry are understood as emergent. I argue that, in this case, the relational strategy is best realized at an approximate and effective level, after suitable coarse graining and only in terms of special quantum states. I then show a concrete realization of such effective relational dynamics in the context of a cosmological application of the tensorial group field theory formalism for quantum gravity.

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