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Vacuum induced Stark shifts for quantum logic using a collective system in a high quality dispersive cavity by Gabris, A.; Agarwal, G. S. is a scholarly article available to read on EtoBox.

What is Vacuum induced Stark shifts for quantum logic using a collective system in a high quality dispersive cavity about?

A collective system of atoms in a high quality cavity can be described by a nonlinear interaction which arises due to the Lamb shift of the energy levels due to the cavity vacuum [Agarwal et al., Phys. Rev. A 56, 2249 (1997)]. We show how this collective interaction can be used to perform quantum logic. In particular we produce schemes to realize CNOT gates not only for two-qubit but also for three-qubit systems. We also discuss realizations of Toffoli gates. Our effective Hamiltonian is also realized in other systems such as trapped ions or magnetic molecules.

Author

Gabris, A.; Agarwal, G. S.

Published

2004

Language

EN