On the uniqueness of the expected stress-energy tensor in renormalizable field theories

Details On the uniqueness of the expected stress-energy tensor in renormalizable field theories On the uniqueness of the expected stress-energy tensor in renormalizable field theories

1999-03-15

arxiv.org/abs/gr-qc/9903057v2

Phys.Rev. D60 (1999) 107502

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

RevTex, 4 pages, no figures. Minor additions and title changed. To appear in Physical Review D

Scientific paper

10.1103/PhysRevD.60.107502

It is argued that the ambiguity introduced by the renormalization in the
effective action of a four-dimensional renormalizable quantum field theory is
at most a local polynomial action of canonical dimension four. The allowed
ambiguity in the expected stress-energy tensor of a massive scalar field is
severely restricted by this fact.

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