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Densities of persistent orbital and spin magnetic moment currents of anelectron in a cylindrical nanolayer in the presence of external axial magneticfield are considered. For the mentioned current densities analyticalexpressions are obtained. The conditions when in the system only spin magneticmoment current is present are defined. Dependencies of orbital and spinmagnetic moment currents on geometrical parameters of nanolayer are derived. Itis shown that in the case of layered geometry the dependence of spin magneticmoment current on radial coordinate has a non-monotonic behavior. This is thepeculiarity of layered geometry of nanostructure and it is due to the behaviorof wave function of the system along the radial direction. Dependent on thedirections of the field and orbital rotation of the electron there are definedvalues of radial coordinates when the orbital current disappears. Thetransition to the case of cylindrical quantum dot is discussed as well.

Spin Magnetic Moment and Persistent Orbital Currents in Cylindrical Nanolayer