Controlling quantum dynamics regardless of laser beam spatial profile and molecular orientation
Rabitz, Herschel; Turinici, Gabriel (2007), Controlling quantum dynamics regardless of laser beam spatial profile and molecular orientation, Physical Review. A, Atomic, Molecular and Optical Physics, 75, 4, p. 043409. http://dx.doi.org/10.1103/PhysRevA.75.043409
Type
Article accepté pour publication ou publiéExternal document link
http://hal.archives-ouvertes.fr/hal-00536535Date
2007Journal name
Physical Review. A, Atomic, Molecular and Optical PhysicsVolume
75Number
4Publisher
APS
Pages
043409
Publication identifier
Metadata
Show full item recordAbstract (EN)
In a typical experiment aiming to control quantum dynamics phenomena, each molecule experiences the same temporal laser field, but with an amplitude that depends on the spatial location and orientation of the molecule in the laser beam. It is proved under commonly arising conditions that at least one optimal laser field exists which will control all molecules in the sample, regardless of their orientation or spatial location. The optimal laser field may consist of a multipolarization control containing up to three orthogonal, independently shaped components. The analysis also includes the prospect of multipartite control where the field couples distinct groupings of states (e.g., multiple vibronic states), but without direct coupling within a group of states. This conclusion shows that achieving quantum control is not a matter of striking a compromise over the sample diversity, but rather a task subject to optimization to reach the highest possible level of control for all molecules in the sample.Subjects / Keywords
quantum controlRelated items
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