Switchable coupling between nitrogen-vacancy center in diamond and charge qubit |
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| Authors: | F Y Zhang J S Jin C Li and H S Song |
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| Institution: | (1) Institut f?r Theoretische Festk?rperphysik, Karlsruhe Institute of Technology (KIT), 76128 Karlsruhe, Germany;(2) Theoretical Division, Los Alamos National Laboratory, Los Alamos, 87545, NM, USA;(3) Landau Institute for Theoretical Physics, Kosygin st. 2, 119334 Moscow, Russia |
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| Abstract: | We propose a scheme to achieve switchable coupling between nitrogen-vacancy (N-V) center
in diamond and superconducting charge qubit by a quantized nanomechanical resonator (NAMR)
as a data bus. This procotol can be used to transfer the quantum state from charge qubit
to N-V center. Owing to the N-V center has relatively long decoherence time, the
information can be stable stored in it. Finally, we discuss the experimental feasibility
of our scheme. |
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