Switchable coupling between nitrogen-vacancy center in diamond and charge qubit
School of Physics and Optoelectronic Technology, Dalian University
of Technology, Dalian
Received in final form: 21 February 2011
Published online: 17 May 2011
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.
© EDP Sciences, Società Italiana di Fisica and Springer-Verlag 2011