Einstein gravity emerging from quantum Weyl gravity |
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Authors: | A Zee |
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Affiliation: | Department of Physics, University of Washington, Seattle, Washington 98195 USA |
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Abstract: | We advocate a conformal invariant world described by the sum of the Weyl, Dirac, and Yang-Mills action. Quantum fluctuations bring back Einstein gravity so that the long-distance phenomenology is as observed. Formulas for the induced Newton's constant and Eddington's constant are derived in quantized Weyl gravity. We show that the analogue of the trace anomaly for the Weyl action is structurally similar to that for the Yang-Mills action. |
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