General classical solutions in the CP ^{N1 } model
Abstract
We study the classical solutions with finite action of the CP ^{n1 } nonlinear σ model in two dimensions. The general solution can be expressed explicitly in terms of n rational analytic functions. All solutions which are neither instantons nor antiinstantons turn out to be saddle points of the action.
 Publication:

Nuclear Physics B
 Pub Date:
 November 1980
 DOI:
 10.1016/05503213(80)902916
 Bibcode:
 1980NuPhB.174..397D