Chang, Shau-Jin ; Rajaraman, R. (1993) New non-local currents in the quantum sine-Gordon model Physics Letters B, 313 (1-2). pp. 59-67. ISSN 0370-2693
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/037026...
Related URL: http://dx.doi.org/10.1016/0370-2693(93)91191-O
Abstract
We obtain new conserved and Lorentz covariant non-local currents of the sine-Gordon system by treating this integrable, off-conformal system in the traditional canonical quantisation scheme. Our work and our currents are to be contrasted with those of Bernard and LeClair who employ Zamolodchikov's method, couched in the conformal perturbation theoretic framework, to obtain conserved currents [A.B. Zamolodchikov, Intern. J. Mod. Phys. A. 3 (1989) 743; A 4 (1989) 4235. D. Bernard and A LeClair, Commun. Math. Phys. 142 (1991) 99; Phys. Lett. 247 (1990) 309].
| Item Type: | Article |
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| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 56111 |
| Deposited On: | 22 Aug 2011 12:47 |
| Last Modified: | 22 Aug 2011 12:47 |
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