title: Dipolar effect in coherent spin mixing of two atoms in a single optical lattice site.
abstract: We show that atomic dipolar effects are detectable in the system that recently demonstrated two-atom coherent spin dynamics within individual lattice sites of a Mott state. Based on a two-state approximation for the two-atom internal states and relying on a variational approach, we have estimated the spin dipolar effect. Despite the absolute weakness of the dipole-dipole interaction, it is shown that it leads to experimentally observable effects in the spin mixing dynamics.
authors.affiliation: School of Physics, Georgia Institute of Technology, Atlanta, GA 30332, USA.
authors.forename: B
authors.initials: B
authors.lastname: Sun
authors.forename: W X
authors.initials: WX
authors.lastname: Zhang
authors.forename: S
authors.initials: S
authors.lastname: Yi
authors.forename: M S
authors.initials: MS
authors.lastname: Chapman
authors.forename: L
authors.initials: L
authors.lastname: You