Scale anomalies imply violation of the averaged null energy condition

Details Scale anomalies imply violation of the averaged null energy condition Scale anomalies imply violation of the averaged null energy condition

1994-09-20

arxiv.org/abs/gr-qc/9409043v1

Phys.Lett. B349 (1995) 443-447

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages; ReV_TeX 3.0]

Scientific paper

10.1016/0370-2693(95)00303-3

Considerable interest has recently been expressed regarding the issue of whether or not quantum field theory on a fixed but curved background spacetime satisfies the averaged null energy condition (ANEC). A comment by Wald and Yurtsever [Phys. Rev. D43, 403 (1991)] indicates that in general the answer is no. In this note I explore this issue in more detail, and succeed in characterizing a broad class of spacetimes in which the ANEC is guaranteed to be violated. Finally, I add some comments regarding ANEC violation in Schwarzschild spacetime.

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