Localization and adiabatic pumping in a generalized Aubry-André-Harper model

A generalization of the Aubry-André-Harper (AAH) model is developed, containing a tunable phase shift between on-site and off-diagonal modulations. A localization transition can be induced by varying just this phase, keeping all other model parameters constant. The complete localization phase diagra...

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Bibliographic Details
Main Authors: Liu, Fangli, Ghosh, Somnath, Chong, Y. D.
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2015
Subjects:
Online Access:https://hdl.handle.net/10356/106635
http://hdl.handle.net/10220/25046
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Institution: Nanyang Technological University
Language: English