Trace anomaly of dilaton-coupled scalars in two dimensions
- 15 December 1997
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 56 (12) , 7788-7791
- https://doi.org/10.1103/physrevd.56.7788
Abstract
Conformal scalar fields coupled to the dilaton appear naturally in two-dimensional models of black hole evaporation. We show that their trace anomaly is . It follows that a Russo-Susskind-Thorlacius–type counterterm appears naturally in the one-loop effective action.
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