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cond-mat.other2004
Decay of a square pulse to Sine-Gordon breathers
G. Ka"lbermann
We investigate numerically and analytically the existence of thresholds for the production of Sine-Gordon single and multiple breathers from simple initial pulses.
cond-mat.other2004
The Sine-Gordon Wobble
German Ka"lbermann
Nonperturbative, oscillatory, winding number one solutions of the Sine-Gordon equation are presented and studied numerically. We call these nonperturbative shape modes {\sl wobble}…