Josephson tunneling of binary mixtures of spinor BECs

摘要: We study the dynamics of Josephson oscillations in a mixture two Zeeman states spinor Bose-Einstein condensate double well potential. Two interesting genuine effects are identified. First, we find that strongly polarized case, less populated component exhibits complex with an anti-Josephson behavior, i.e., oscillates phase more one. Secondly, balanced population behave as if interatomic interactions have been partially cancelled. This effect could be used new procedure to measure distinct scattering lengths entering description condensate. Our numerical results physically interpreted terms analytical binary using two-mode model.