Quantum solitons of the nonlinear sigma-model with broken chiral symmetry

Details Quantum solitons of the nonlinear sigma-model with broken chiral symmetry Quantum solitons of the nonlinear sigma-model with broken chiral symmetry

1993-08-18

arxiv.org/abs/hep-ph/9308286v1

Phys.Atom.Nucl. 58 (1995) 1398-1403; Yad.Fiz. 58N8 (1995) 1482-1487

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, LaTeX, ITP-93-44E

Scientific paper

It is proved that the quantum-mechanical consideration of global breathing of
a hedgehog-like field configuration leads to the dynamically stable soliton
solutions in the nonlinear sigma-model without the Skyrme term. Such solutions
exist only when chiral symmetry of the model is broken.

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