It is shown that, in such a DWP, the average number of condensed atoms in the two traps is still same in presence of tunneling effect, this ensures the visibility of interference fringes of atoms.

• 结果表明，在这样的双阱势中，尽管隧道效应存在，凝聚在两个阱中的平均原子数依然相等，这保证了原子干涉的可见度。