No Lagrangian? No quantization!

Sergio A. Hojman, L. C. Shepley

Research output: Contribution to journalArticlepeer-review

67 Scopus citations

Abstract

This work starts with classical equations of motion and sets very general quantization conditions (commutation relations). It is proved that these conditions imply that the equations of motion are equivalent to the Euler-Lagrange equations of a Lagrangian L. The result is a generalization of work by Feynman, recently reported by Dyson [Am. J. Phys. 58, 209-211 (1990)]. The Lagrangian L need not be unique. Examples are given, including classical equations that do not come from a Lagrangian and therefore cannot be quantized consistently.

Original languageEnglish
Pages (from-to)142-146
Number of pages5
JournalJournal of Mathematical Physics
Volume32
Issue number1
DOIs
StatePublished - 1991

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