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Open Quantum Systems Decoherence

Decoherence-free subspaces for a quantum register interacting with a spin environment

arXiv
Authors: Paweł Należyty, Dariusz Chruściński

Year

2014

Paper ID

47575

Status

Preprint

Abstract Read

~2 min

Abstract Words

64

Citations

N/A

Abstract

We study a model of a quantum spin register interacting with an environment of spin particles in quantum-measurement limit. In the limit of collective decoherence we obtain the form of state vectors that constitute high-dimensional decoherence-free subspaces (DFS). In a more general setting we present sufficient and necessary conditions for existence of low-dimensional DFSs that can be used to construct subspaces of higher dimension.

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  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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  • We study a model of a quantum spin register interacting with an environment of spin particles in quantum-measurement limit.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1409.3494 [2] arXiv https://arxiv.org/abs/1409.3494 [3] Publisher https://arxiv.org/abs/1409.3494

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