Conformal Anomaly and Large Scale Gravitational Coupling

Details Conformal Anomaly and Large Scale Gravitational Coupling Conformal Anomaly and Large Scale Gravitational Coupling

2000-01-17

arxiv.org/abs/hep-th/0001095v1

Int.J.Theor.Phys. 39 (2000) 1241-1244

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, latex, no figures

Scientific paper

We present a model in which the breackdown of conformal symmetry of a quantum stress-tensor due to the trace anomaly is related to a cosmological effect in a gravitational model. This is done by characterizing the traceless part of the quantum stress-tensor in terms of the stress-tensor of a conformal invariant classical scalar field. We introduce a conformal frame in which the anomalous trace is identified with a cosmological constant. In this conformal frame we establish the Einstein field equations by connecting the quantum stress-tensor with the large scale distribution of matter in the universe.

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