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 language | English |
|---|---|
| Pages (from-to) | 67-69 |
| Number of pages | 3 |
| Journal | Physics Letters, Section A: General, Atomic and Solid State Physics |
| Volume | 56 |
| Issue number | 2 |
| DOIs | |
| State | Published - 8 Mar 1976 |
ASJC Scopus subject areas
- General Physics and Astronomy
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