Entanglement of two interacting electrons in a double quantum dot |
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| Institution: | 1. Institute of Applied Physics and Computational Mathematics, P.O. Box 2101, Beijing 100088, China;2. Department of Applied Mathematics, The Hong Kong Polytechnic University, Hong Kong, China;1. Department of Physics, Jadavpur University, Kolkata 700032, India;2. Hooghly Engineering and Technology College, Hooghly 712103, India;3. Physical Research Laboratory, Ahmedabad 380009, India |
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| Abstract: | We study the dynamics of two interacting electrons confined in a double quantum dot in the presence of radiation pulses. We show that the strong transition between two localized states is induced at the avoided crossing between the corresponding energy levels, leading to the maximally entangled Bell states. The frequency and duration of selective light pulses for producing maximally entangled states are identified by both analytic and exact numerical solution of the quantum dynamical equations. |
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