Electric-field-induced nonlinear bloch oscillations and dynamical localization

David Cai, A. R. Bishop, Niels Grønbech-Jensen, Mario Salerno

Research output: Contribution to journalArticlepeer-review

Abstract

The dynamics of a nonlinear Schrödinger chain in a time-varying, spatially uniform electric field is studied and proven to be integrable. In the limit of a static electric field, the system exhibits a periodic evolution which is a nonlinear counterpart of Bloch oscillations. It is shown that localization can be dynamically induced by a temporally harmonic field as a consequence of parametric resonances at certain field strengths. The effects of integrability-breaking discrete lattice terms are studied numerically: Nonlinear Bloch oscillations and dynamical localization are found to be a property of the lattice and not limited to the integrable case.

Original languageEnglish (US)
Pages (from-to)1186-1189
Number of pages4
JournalPhysical Review Letters
Volume74
Issue number7
DOIs
StatePublished - 1995

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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