Energetic Stability Criterion for a Nonlinear Spinorial Model
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1983
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American Physical Society
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Abstract
The time evolution of expanded and contracted solitary waves of the Dirac field with scalar self-interaction is exhibited. It is shown that the positivity of the second variation of the energy functional is not a necessary condition for the stability of these waves as has been recently suggested.
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© 1983 The American Physical Society. We wish to thank Dr. J. Guasp and Dr. A. I.opez Fraguas for their help, and acknowledge the partial financial support from Instituto de Estudios Nucleares, Junta de la Energia Nulcear.