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
       

Tunneling amplitude versus potential bias for single atom with initial state |1⟩, where black data points are measured for Vshort = 12Er (recoil energy) with J/U0 = 0.2,[1] and red solid line is fitted from Eq. (4).