Non-Canonical Perturbation Theory of Non-Linear Sigma Models

Details Non-Canonical Perturbation Theory of Non-Linear Sigma Models Non-Canonical Perturbation Theory of Non-Linear Sigma Models

2010-07-16

arxiv.org/abs/1007.2820v1

Mod.Phys.Lett.A26:127-138,2011

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, 1 figure, LaTeX

Scientific paper

10.1142/S0217732311034670

We explore the O(N)-invariant Non-Linear Sigma Model (NLSM) in a different
perturbative regime from the usual relativistic-free-field one, by using
non-canonical basic commutation relations adapted to the underlying O(N)
symmetry of the system, which also account for the non-trivial (non-flat)
geometry and topology of the target manifold.

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