TY - RPRT TI - Self-trapping and time evolution in some spatially extended quantum nonlinear systems: Exact solutions. AU - JD Andersen AU - VM Kenkre PY - 1993 DO - 10.1103/physrevb.47.11134 UR - https://pubmed.ncbi.nlm.nih.gov/10005247/ ID - 10005247 ER -