Decoherence control by tracking a hamiltonian reference molecule

Gil Katz*, Mark A. Ratner, Ronnie Kosloff

*Corresponding author for this work

Research output: Contribution to journalArticle

45 Scopus citations

Abstract

A molecular system in contact with a bath undergoes strong decoherence processes. We examine a control scheme to minimize dissipation, while maximally retaining coherent evolution, by relating the evolution of the molecule to that of an identical freely propagating system. We seek a driving field that maximizes the projection of the open molecular system onto the freely propagated one. The evolution in time of a molecular system consisting of two nonadiabatically coupled electronic states interacting with a bath is followed. The driving control field that overcomes the decoherence is calculated. A proposition to implement the scheme in the laboratory using feedback control is suggested.

Original languageEnglish (US)
Article number203006
JournalPhysical Review Letters
Volume98
Issue number20
DOIs
StatePublished - May 17 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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