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    • IconCollective coordinates theory for discrete soliton ratchets in the sine-Gordon model  [Article]

      Sánchez-Rey, Bernardo; Quintero, Niurka R.; Cuevas-Maraver, Jesús; Alejo, Miguel A. (American Physical Society, 2014)
      A collective coordinate theory is developed for soliton ratchets in the damped discrete sine-Gordon model driven by a biharmonic force. An ansatz with two collective coordinates, namely the center and the width of the ...