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DY: Fachverband Dynamik und Statistische Physik

DY 10: Nonlinear Dynamics, Synchronisation and Chaos

DY 10.7: Vortrag

Dienstag, 27. März 2012, 11:00–11:15, MA 001

Spin-orbital phase synchronization in the magnetic field-driven electron dynamics — •Levan Chotorlishvili and Jamal Berakdar — Institut für Physik, Martin-Luther-Universität Halle-Wittenberg

We study the dynamics of an electron confined in a one-dimensional double quantum dot in the presence of driving external magnetic fields. The orbital motion of the electron is coupled to the spin dynamics by spin orbit interaction of the Dresselhaus type. We derive an effective time-dependent Hamiltonian model for the orbital motion of the electron and obtain a synchronization condition between the orbital and the spin dynamics. From this model we deduce an analytical expression for the Arnold tongue and propose an experimental scheme for realizing the synchronization of the orbital and spin dynamics.