Bypassing State Initialisation in Perfect State Transfer Protocols on Spin-Chains

DOI10.1007/978-3-642-18073-6_14zbMATH Open1310.81036DBLPconf/tqc/FrancoPK10arXiv1102.1685OpenAlexW1515723777WikidataQ59431690 ScholiaQ59431690MaRDI QIDQ3070986

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Publication date: 28 January 2011

Published in: (Search for Journal in Brave)

Abstract: Although a complete picture of the full evolution of complex quantum systems would certainly be the most desirable goal, for particular Quantum Information Processing schemes such an analysis is not necessary. When quantum correlations between only specific elements of a many-body system are required for the performance of a protocol, a more distinguished and specialised investigation is helpful. Here, we provide a striking example with the achievement of perfect state transfer in a spin chain without state initialisation, whose realisation has been shown to be possible in virtue of the correlations set between the first and last spin of the transmission-chain.

Full work available at URL: https://arxiv.org/abs/1102.1685

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