Correlation dynamics after short-pulse photoassociation

Christiane P. Koch, Ronnie Kosloff

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Two atoms in an ultracold gas are correlated at short interatomic distances due to threshold effects in which the potential energy of their interaction dominates the kinetic energy. The correlations manifest themselves in a distinct nodal structure of the density matrix at short interatomic distances. Pump-probe spectroscopy has recently been suggested to probe these pair correlations: A suitably chosen, short photoassociation laser pulse depletes the ground-state pair density within the photoassociation window, creating a nonstationary wave packet in the electronic ground state. The dynamics of this nonstationary wave packet is monitored by time-delayed probe and ionization pulses. Here we discuss how the choice of the pulse parameters affects the experimental feasibility of this pump-probe spectroscopy of two-body correlations.

Original languageEnglish
Article number063426
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume81
Issue number6
DOIs
StatePublished - 28 Jun 2010

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