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Hyperfine induced spin and entanglement dynamics in double quantum dots: A homogeneous coupling approach

URN to cite this document:
Erbe, Björn ; Schliemann, John
Date of publication of this fulltext: 11 May 2012 09:51


We investigate hyperfine induced electron spin and entanglement dynamics in a system of two quantum dot spin qubits. We focus on the situation of zero external magnetic field and concentrate on approximation-free theoretical methods. We give an exact solution of the model for homogeneous hyperfine coupling constants (with all coupling coefficients being equal) and varying exchange coupling, and ...


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