Driven sine-Gordon breathers as kink-antikink bound states of nonrelativistic constant wave number
- 1 April 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 35 (8) , 3522-3526
- https://doi.org/10.1103/physreva.35.3522
Abstract
We give a noncovariant Hamiltonian collective-coordinate description of the sine-Gordon breather driven by constant forces. Thresholds for breather decomposition are calculated, including their dependence on the initial phase. Quantitative agreement is obtained with the numerical results presented in a paper by Lomdahl, Olsen, and Samuelsen [Phys. Rev. A 29, 350 (1984)].Keywords
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