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PIRSA:10040105

Robustness and Violations of a Scalar Equivalence Principle

APA

(2010). Robustness and Violations of a Scalar Equivalence Principle. Perimeter Institute for Theoretical Physics. https://pirsa.org/10040105

Talk numberPIRSA:10040105
Talk Type Conference
Subject

Abstract

Modified gravity theories under consideration typically reduce to a scalar-tensor form in the appropriate limits. I will discuss in what sense a universal scalar coupling is stable against quantum corrections, when the scalar equivalence principle is violated, how to look for such violations, and the connection with cosmic acceleration.