Influence of magnetic field on the energy positions and widths of one- -electron resonance states in a multi-shell spherical quantum dot is inves- tigated. The one-band effective mass approximation is assumed. The com- plex-eigenvalue Schrodinger equation approach involving complex rotation of coordinates is used to obtain complex eigenenergies, Er-iT/2, corre- sponding to resonance states. We show how the magnetic field changes the resonance energy, Er, and decay rate, T, yielding bound states for some particular cases.
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