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Quantum-state Transfer via Resonant Tunnelling Through Local Field Induced Barriers by Lorenzo, S.; Apollaro, T. J. G.; Sindona, A.; Plastina, F. is a scholarly article available to read on EtoBox.

What is Quantum-state Transfer via Resonant Tunnelling Through Local Field Induced Barriers about?

Efficient quantum-state transfer is achieved in a uniformly coupled spin-1/2 chain, with open boundaries, by application of local magnetic fields on the second and last-but-one spins, respectively. These effective \textit{barriers} induce appearance of two eigenstates, bi-localized at the edges of the chain, which allow a high quality transfer also at relatively long distances. The same mechanism may be used to send an entire e-bit (e.g., an entangled qubit pair) from one to the other end of the chain.

Author

Lorenzo, S.; Apollaro, T. J. G.; Sindona, A.; Plastina, F.

Published

2013

Language

EN