Periodically modulated interaction effect on transport of Bose–Einstein condensates in lattice with local defects<xref rid="cpb_28_1_010307fn1" ref-type="fn">*</xref> <fn id="cpb_28_1_010307fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11764039, 11475027, 11865014, 11305132, and 11274255), the Natural Science Foundation of Gansu Province, China (Grant No. 17JR5RA076), and the Scientific Research Project of Gansu Higher Education, China (Grant No. 2016A-005).</p> </fn>

Periodically modulated interaction effect on transport of Bose–Einstein condensates in lattice with local defects* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 11764039, 11475027, 11865014, 11305132, and 11274255), the Natural Science Foundation of Gansu Province, China (Grant No. 17JR5RA076), and the Scientific Research Project of Gansu Higher Education, China (Grant No. 2016A-005).

Zhu Kun-Qiang, Yu Zi-Fa, Gao Ji-Ming, Zhang Ai-Xia, Xu Hong-Ping, Xue Ju-Kui^†

The critical scattering length g_c against (a) quasi-momentum k and (b) modulated strength Γ in Gaussian defect. Here a₀ is the Bohr radius, and N = 100, ε = 0.05, σ = 3. The points are numerical simulations of Eq. (1) and the lines are the analytical results of Eq. (17).