Atom-pair tunneling and quantum phase transition in asymmetry double-well trap in strong-interaction regime*

Project supported by the National Natural Science Foundation of China (Grant No. 11075099).

Liu Ji-Li1, †, Liang Jiu-Qing2
       

Plots of energy splitting ΔE versus potential bias Δ for parameters U0 = 1, U2 = 0.02, and different values of s = 10, 10.5 (from top to bottom) from Eq. (17).