Scaling in the sine-Gordon theory

Research output: Contribution to journalArticlepeer-review

Abstract

It is shown that both the classical and the quantum sine-Gordon theory depend on a single scaling parameter and therefore the coupling constant cannot be freely chosen. To introduce a meaningful coupling constant it is proposed to include higher Fourier terms in the sine-Gordon potential. The two term case is exactly solvable.

Original languageEnglish
Pages (from-to)67-69
Number of pages3
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume56
Issue number2
DOIs
StatePublished - 8 Mar 1976

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