Guided magnon transport in spin chains: Transport speed and correcting for disorder

Ahmed, M and Greentree, A 2015, 'Guided magnon transport in spin chains: Transport speed and correcting for disorder', Physical Review A - Atomic, Molecular, and Optical Physics, vol. 91, no. 2, 022306, pp. 1-8.


Document type: Journal Article
Collection: Journal Articles

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Title Guided magnon transport in spin chains: Transport speed and correcting for disorder
Author(s) Ahmed, M
Greentree, A
Year 2015
Journal name Physical Review A - Atomic, Molecular, and Optical Physics
Volume number 91
Issue number 2
Article Number 022306
Start page 1
End page 8
Total pages 8
Publisher American Physical Society
Abstract High-fidelity quantum information transport is necessary for most practical models of quantum computation. By analogy with optical waveguides, a spatiotemporally varying magnetic potential on a one-dimensional spin chain can achieve high-fidelity transport of spin excitations. By comparing different potential shapes, we establish the effects of potential shape on the fidelity and transport speed. We incorporate disorder into our model and show methods to minimize its effect on transport. Finally, we discuss implementations of our scheme in several accessible systems based on hydrogenic approximations.
Subject Mathematical Sciences not elsewhere classified
Physical Sciences not elsewhere classified
Chemical Sciences not elsewhere classified
Keyword(s) Chains
Quantum computers
Quantum optics
Spin dynamics High-fidelity
Magnetic potentials
One dimensional spin chains
Practical model
Quantum Information
Spin chains
Transport of spin
Transport speed
DOI - identifier 10.1103/PhysRevA.91.022306
Copyright notice © 2015 American Physical Society.
ISSN 1050-2947
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