Trace Anomaly of Dilaton Coupled Scalars in Two Dimensions

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Bousso, Raphael; Hawking, Stephen;
  • Related identifiers: doi: 10.1103/PhysRevD.56.7788
  • Subject: High Energy Physics - Theory
    arxiv: General Relativity and Quantum Cosmology | High Energy Physics::Theory

Conformal scalar fields coupled to the dilaton appear naturally in two-dimensional models of black hole evaporation. We calculate their trace anomaly. It follows that an RST-type counterterm appears naturally in the one-loop effective action.
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