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Optimal control of the electronic current density: application to one- and two-dimensional one-electron systems

D. Kammerlander, A. Castro, M. Marques

Physical Review A, 83, 043413, (2011)

DOI: 10.1103/physreva.83.043413

Download: BibTEX

Quantum optimal control theory is a powerful tool for engineering quantum systems subject to external fields such as the ones created by intense lasers. The formulation relies on a suitable definition for a target functional, that translates the intended physical objective to a mathematical form. We propose the use of target functionals defined in terms of the one-particle density and its current. A strong motivation for this is the possibility of using time-dependent density-functional theory for the description of the system dynamics. We exemplify this idea by defining an objective functional that on one hand attempts a large overlap with a target density and on the other hand minimizes the current. The latter requirement leads to optimized states with increased stability, which we prove with a few examples of one- and two-dimensional one-electron systems.

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{"type":"article", "name":"d.kammerlander20114", "author":"D. Kammerlander and A. Castro and M. Marques", "title":"Optimal control of the electronic current density: application to one and twodimensional oneelectron systems", "journal":"Physical Review A", "volume":"83", "OPTnumber":"4", "OPTmonth":"4", "year":"2011", "OPTpages":"043413", "OPTnote":"", "OPTkey":"", "DOI":"10.1103/physreva.83.043413"}
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