Superfluidity breakdown of periodic matter waves in quasi-one-dimensional annular traps via resonant scattering with moving defects.

Yulin, A.V. ; Bludov, Yu.V. ; Konotop, V. V. ; Kuzmiak, Vladimír ; Salerno, M. Superfluidity breakdown of periodic matter waves in quasi-one-dimensional annular traps via resonant scattering with moving defects. Physical Review. A, (2013)