title: Phase-diffusion dynamics in weakly coupled bose-einstein condensates.
abstract: We study the phase sensitivity of collisional phase diffusion between weakly coupled Bose-Einstein condensates, using a semiclassical picture of the two-mode Bose-Hubbard model. When weak coupling is allowed, zero relative phase locking is attained in the Josephson-Fock transition regime, whereas a pi relative phase is only locked in Rabi-Josephson point. Our analytic semiclassical estimates agree well with the numerical results.
authors.affiliation: Department of Chemistry, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel.
authors.forename: Erez
authors.initials: E
authors.lastname: Boukobza
authors.forename: Maya
authors.initials: M
authors.lastname: Chuchem
authors.forename: Doron
authors.initials: D
authors.lastname: Cohen
authors.forename: Amichay
authors.initials: A
authors.lastname: Vardi