A virial theorem in quantum field theory

E. A. Dudas, D. Pirjol

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A classical virial theorem is extended to quantum field theories and is explicitly proved in the case of quantum electrodynamics using the scale transformation properties of the fields. The resulting formula gives a relation between the trace anomaly of the energy-momentum tensor and the energy of a quantum bound state.

Original languageEnglish
Pages (from-to)186-192
Number of pages7
JournalPhysics Letters B
Volume260
Issue number1-2
DOIs
StatePublished - 9 May 1991

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