摘要
A type of （2＋1）-dimensional nonlinear Schrǒdinger equation with spatially inhomogeneous nonlinearity and an external potential is studied. It is found that special external potentials and spatially nonlinearities can support nonlinear localized waves.
A type of （2＋1）-dimensional nonlinear Schrǒdinger equation with spatially inhomogeneous nonlinearity and an external potential is studied. It is found that special external potentials and spatially nonlinearities can support nonlinear localized waves.
基金
Supported by the National Natural Science Foundation of China under Grant Nos 10735030 and 90503006, the National Basic Research Programme of China under Grant No 2007CB814800, the Specialized Research Fund for the Doctoral Programme of Higher Education （20070248120）, SRF for ROCS, SEM, and the Programme for Changjiang Scholars and Innovative Research Team in University （PCSIRT No IRT0734）.
