Resonant Adiabatic Passage with Three Qubits

Details Resonant Adiabatic Passage with Three Qubits Resonant Adiabatic Passage with Three Qubits

2012-01-23

arxiv.org/abs/1201.4829v1

Physics

Quantum Physics

Scientific paper

We investigate the non-adiabatic implementation of an adiabatic quantum teleportation protocol, finding that perfect fidelity can be achieved through resonance. We clarify the physical mechanisms of teleportation, for three qubits, by mapping their dynamics onto two parallel and mutually-coherent adiabatic passage channels. By transforming into the adiabatic frame, we explain the resonance by analogy with the magnetic resonance of a spin-1/2 particle. Our results establish a fast and robust method for transferring quantum states, and suggest an alternative route toward high precision quantum gates.

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