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Phys. Rev. A 67, 041402(R) (2003) [4 pages]

Coherent control of matter-wave interference in molecular predissociation

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Jérôme Degert, Christoph Meier, Béatrice Chatel, and Bertrand Girard
Laboratoire de Collisions, Agrégats, Réactivité (CNRS UMR 5589), IRSAMC, Université Paul Sabatier, 31062 Toulouse Cedex 4, France

Received 22 March 2002; published 25 April 2003

The predissociation of a diatomic molecule after excitation by an ultrashort laser pulse leads to a succession of partial nuclear wave packets on the dissociative potential curve. Matter wave interferences result from their evolution. We show here theoretically how control pulses inducing Rabi oscillations on the electronic atomic part of the wave function can change totally the shape of the nuclear interference pattern. This is a consequence of the entanglement between the electronic and nuclear parts of the wave function. Application to information storage is finally discussed.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.041402
DOI:
10.1103/PhysRevA.67.041402
PACS:
32.80.Qk, 33.80.Gj, 82.53.Eb