The dynamics of quantum phases in a spin1 condensate
Abstract
We investigate the quantum phases and its diffusion dynamics of a spin1 atomic BoseEinstein condensate. For ferromagnetic collisional interactions, based on the previously proved single spatial mode approximation for the condensate ground state wave functions, we obtain the exact phases associated with the total atom number (N), total magnetization (l M), and the alignment (Y) of the system. We prove that the ground state is stable against fluctuations of atom numbers in each of the spin component state, and the phase associated with Y dynamically recovers the U(1) symmetry when N and l M are conserved as in current experiments.
 Publication:

APS Division of Atomic, Molecular and Optical Physics Meeting Abstracts
 Pub Date:
 May 2003
 Bibcode:
 2003APS..DMP.D1030Y