Volume 12, Number 3, July 2006
|Page(s)||409 - 441|
|Published online||20 June 2006|
An estimation of the controllability time for single-input systems on compact Lie Groups
SISSA, Via Beirouth 2-4, 34013 Trieste, Italy; email@example.com
2 SYSTeMS Group, University of Ghent, Technologiepark 914, 9052 Zwijnaarde, Belgium; Thomas.Chambrion@UGent.be
Revised: 8 May 2005
Geometric control theory and Riemannian techniques are used to describe the reachable set at time t of left invariant single-input control systems on semi-simple compact Lie groups and to estimate the minimal time needed to reach any point from identity. This method provides an effective way to give an upper and a lower bound for the minimal time needed to transfer a controlled quantum system with a drift from a given initial position to a given final position. The bounds include diameters of the flag manifolds; the latter are also explicitly computed in the paper.
Mathematics Subject Classification: 22E46 / 93B03
Key words: Control systems / semi-simple Lie groups / Riemannian geometry.
© EDP Sciences, SMAI, 2006
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