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Open Quantum Systems Decoherence

Error exponents in hypothesis testing for correlated states on a spin chain

arXiv
Authors: Fumio Hiai, Milan Mosonyi, Tomohiro Ogawa

Year

2007

Paper ID

49678

Status

Preprint

Abstract Read

~2 min

Abstract Words

71

Citations

N/A

Abstract

We study various error exponents in a binary hypothesis testing problem and extend recent results on the quantum Chernoff and Hoeffding bounds for product states to a setting when both the null-hypothesis and the counter-hypothesis can be correlated states on a spin chain. Our results apply to states satisfying a certain factorization property; typical examples are the global Gibbs states of translation-invariant finite-range interactions as well as certain finitely correlated states.

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  • We study various error exponents in a binary hypothesis testing problem and extend recent results on the quantum Chernoff and Hoeffding bounds for product states to a setting...

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