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Chiral Vertex Operators in Off-Conformal Theory: The Sine Gordon Example

Chang, Shau-Jin and Rajaraman, R (1993) Chiral Vertex Operators in Off-Conformal Theory: The Sine Gordon Example. [Preprint]

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Abstract

We study chiral vertex operators in the sine-Gordon [SG] theory, viewed as an off-conformal system. We find that these operators, which would have been primary fields in the conformal limit, have interesting and, in some ways, unexpected properties in the SG model. Some of them continue to have scale- invariant dynamics even in the presence of the non-conformal cosine interaction. For instance, it is shown that the Mandelstam operator for the bosonic representation of the Fermi field does not develop a mass term in the SG theory, contrary to what the real Fermi field in the massive Thirring model is expected to do. It is also shown that in the presence of the non-conformal interactions, some vertex operators have unique Lorentz spins, while others do not.

Item Type: Preprint
Additional Information: Phys.Rev. D53 (1996) 2102-2114
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 26 Jul 2004
Last Modified: 19 Sep 2010 04:13
URI: http://eprints.iisc.ernet.in/id/eprint/912

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