Two-color control of localization: from lattices to spin systems

From National Research Council Canada

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DOIResolve DOI: https://doi.org/10.1103/PhysRevA.60.R4225
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Name affiliation
  1. National Research Council of Canada
  2. National Research Council of Canada. NRC Steacie Institute for Molecular Sciences
FormatText, Article
Journal titlePhysical Review A
ISSN1050-2947
1094-1622
Volume60
Issue6
PagesR4225–R4228
Abstract
We demonstrate control of quantum dynamics in a finite model system described by a tight-binding Hamiltonian, through interaction with a multifrequency external field. Effective defects can be introduced into the lattice by a two-frequency field, and the character of the defects can be controlled by the relative phase between the two field components. These field-induced defects imply robust localization of dressed (Floquet) states on lattice sites. Implications for a spin system in crossed magnetic fields are discussed.
Publication date
PublisherAmerican Physical Society
LanguageEnglish
Peer reviewedYes
NPARC number21277561
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Record created2016-04-18
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