The effective low energy Lagrangian of CPN-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.
Effective Lagrangian of CPN-1 models in the large N limit
ROSSI, PAOLO
2016-01-01
Abstract
The effective low energy Lagrangian of CPN-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.File in questo prodotto:
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