A Manifestly Local Theory of Vacuum Energy Sequestering

27 Aug 2015, 15:00
20m
Bay ()

Bay

Particle Cosmology Theory and Experiment Particle Cosmology

Speaker

George Zahariade (UC Davis)

Description

We present a manifestly local, diffeomorphism invariant and locally Poincare invariant formulation of vacuum energy sequestering. In this theory, quantum vacuum energy generated by matter loops is cancelled by auxiliary fields. The auxiliary fields decouple from gravity almost completely. Their only residual effect is an *a priori* arbitrary, finite contribution to the curvature of the background geometry, which is radiatively stable. Its value is to be determined by a measurement, like the finite part of any radiatively stable UV-sensitive quantity in quantum field theory.

Primary authors

Antonio Padilla (University of Nottingham) David Stefanyszyn (University of Nottingham) George Zahariade (UC Davis) Nemanja Kaloper (UC Davis)

Presentation Materials