Conformal anomaly in 2d dilaton-scalar theory
J.S.Dowker
TL;DR
This paper clarifies the source of discrepancies in conformal anomaly calculations in 2D dilaton-scalar theories by identifying the overlooked zero mode contribution to the effective action.
Contribution
It reveals that including the zero mode contribution resolves the mismatch between different anomaly computations in 2D dilaton-scalar models.
Findings
Zero mode contribution is essential for accurate anomaly calculation.
Corrected anomaly aligns with previous results after including zero modes.
Clarifies previous discrepancies in conformal anomaly computations.
Abstract
The discrepancy between the anomaly found by Bousso and Hawking (hep-th/9705236) and that of other workers is explained by the omission of a zero mode contribution to the effective action.
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