Erbe, Björn and Schliemann, John
Hyperfine induced spin and entanglement dynamics in double quantum dots: A homogeneous coupling approach.
Phys. Rev. B 81, p. 235324.
at publisher (via DOI)
Other URL: http://link.aps.org/doi/10.1103/PhysRevB.81.235324
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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