Correlation Functions of the Scalar Field in Background NC U(1) Yang-Mills

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We consider the complex scalar field coupled to background NC U(1) YM and calculate the correlator of two gauge invariant composite operators. We show how the noncommutative gauge invariance is restored for higher correlators (though the Green's function itself is not invariant). It is interesting that the recently discovered noncommutative solitons appear in the calculation.
LaTeX, 7 pages, minor corrections

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/50498

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0101059
 http://arxiv.org/abs/hep-th/0101059

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arXiv