Energetic Stability Criterion for a Nonlinear Spinorial Model
- 25 April 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 50 (17) , 1230-1233
- https://doi.org/10.1103/physrevlett.50.1230
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.Keywords
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