Abstract
Abstract The results of analytical and numerical investigations of destruction of quantum localization of chaos by a nonlinear interaction are presented. Two different cases are considered. One is the one-particle case which corresponds to nonlinear wave propagation in disordered media. Another case corresponds to the destruction of localization by multi-particle self-consistent interaction at small but finite particle density. It is shown that delocalization and unlimited spreading over the lattice takes place above a critical value of nonlinear interaction. The spreading can be described by anomalous diffusion with the exponent smaller than in the diffusive case.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.