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Entanglement generation and protection by detuning modulation

2006

We introduce a protocol for steady-state entanglement generation and protection based on detuning modulation in the dissipative interaction between a two-qubit system and a bosonic mode. The protocol is a global-addressing scheme which only requires control over the system as a whole. We describe a postselection procedure to project the register state onto a subspace of maximally entangled states. We also outline how our proposal can be implemented in a circuit-quantum electrodynamics setup.

PhysicsQuantum PhysicsQuantum discordCavity quantum electrodynamicsSENSITIVE POPULATION DECAYFOS: Physical sciencesTheoryofComputation_GENERALSPONTANEOUS EMISSIONQuantum PhysicsQuantum entanglementTopologyAtomic and Molecular Physics and Optics2-ATOM DICKE-MODELPostselectionQuantum mechanicsQubitDECOHERENCE-FREE SUBSPACESW stateQuantum Physics (quant-ph)Amplitude damping channelBAND SQUEEZED VACUUMQuantum teleportationPhysical Review A
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