engleski

Multi-vortex solutions in the Sutherland model

We consider the large-N Sutherland model in the Hamiltonian collective-field approach based on the 1/N expansion. The Bogomol"nyi limit appears and the corresponding solutions are given by static-soliton configurations. They exist only for lambda<1, i.e. for the negative coupling constant of the Sutherland interaction. We determine their creation energies and show that they are unaffected by higher-order corrections.

collective-field method; solitons; Bogomol

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