  A possibility of a quantum single electron soliton (QSES) formation in
structures with different dimensionality (0, 1, 2, and 3D) and spectrum
(parabolic and linear) placed near metal surface is discussed. These solitons
originate as solutions of the nonlinear Schrodinger equation allowing for
interaction with image charges in metal. The binding energy of those
quasi-particles could exceed the thermal energy at room temperature.
