The long-time asymptotics are analyzed for all finite energy solutions to a model U(1)-invariant nonlinear Klein-Gordon equation in one dimension, with the nonlinearity concentrated at a point. Our main result is that each finite energy solution converges as t -> +/-infinity to the set of 'nonlinear eigenfunctions' psi(x)e(-iwt).
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Univ Pune, Dept Phys, Pune 411007, Maharashtra, India
Islamic Azad Univ, Dept Phys, Urmia Branch, Oromiyeh, IranUniv Pune, Dept Phys, Pune 411007, Maharashtra, India
Golmankhaneh, Alireza K.
Golmankhaneh, Ali K.
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Islamic Azad Univ, Dept Phys, Mahabad Branch, Mahabad, IranUniv Pune, Dept Phys, Pune 411007, Maharashtra, India
Golmankhaneh, Ali K.
Baleanu, Dumitru
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Cankaya Univ, Dept Math & Comp Sci, TR-06530 Ankara, Turkey
Inst Space Sci, Magurele 76900, RomaniaUniv Pune, Dept Phys, Pune 411007, Maharashtra, India