Atom-pair tunneling and quantum phase transition in asymmetry double-well trap in strong-interaction regime<xref rid="cpb_28_11_110304fn1" ref-type="fn">*</xref><fn id="cpb_28_11_110304fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant No. 11075099).</p></fn>

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-Li^{1, †}, Liang Jiu-Qing²

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