TY - Front. Phys. A1 - Gui-Hua Chen,Hong-Cheng Wang,Zhao-Pin Chen,Yan Liu T1 - Fundamental modes in waveguide pipe twisted by saturated double-well potential Y1 - 2017-02-01 JF - Frontiers of Physics JO - Front. Phys. SP - 124201 EP - VL - 12 IS - 1 UR - https://journal.hep.com.cn/fop N1 - 10.1007/s11467-016-0601-6 ER -