On the effective Lagrangian of CP^(N-1) models in the large N limit

Paolo Rossi

On the effective Lagrangian of CP^(N-1) models in the large N limit

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arxiv 1606.07252 v1 pith:WEXLSUOS submitted 2016-06-23 hep-th

Paolo Rossi This is my paper · ORCID

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abstract

The effective low energy Lagrangian of $CP^{N-1}$ models in $d < 4$ dimensions can be constructed in the large $N$ limit by solving the saddle point equations in the presence of a constant field strength. The two dimensional case is explicitly worked out and possible applications are briefly discussed.

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