Qubit(s) transfer in helical spin chains

Abstract

Qubit(s) transfer through a helical chain is studied. We consider the transfer of a single state and Bell states across a multiferroic spin chain and the possibility of an electric field control of the fidelity of the single state and the Bell pairs. We analyze pure and imperfect multiferroic spin chains. A scheme for an efficient transfer of spin states through a multiferroic channel relies on kicking by appropriate electric field pulses at regular interval. This electric field pulse sequence undermines the effect of impurity on the fidelity and improves the state transfer through the helical chain.

7 pages, 10 figures

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Cited by in corpus (6)

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• Magnetic properties of the finite-length biatomic chains in the framework of the single domain-wall approximation
• An improved kinetic Monte Carlo model for computational and analytical investigations of the magnetic properties of finite-size atomic chains
• Two-excitation routing via linear quantum channels
• Teleportation based detection of quantum critical points using small spin chains
• Quantum teleportation by utilizing helical spin chains for sharing entanglement