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Title: Initialization of NMR quantum registers using long-lived singlet states
Authors: Roy, Soumya Singha
Dept. of Physics
Keywords: Quantum information processing
Four-qubit nuclear spin
Issue Date: Nov-2010
Publisher: American Physical Society
Citation: Physical Review A, Vol.82(5).
Abstract: An ensemble of nuclear spin pairs under certain conditions is known to exhibit singlet state lifetimes much longer than other nonequilibrium states. This property of singlet states can be exploited in quantum information processing for efficient initialization of quantum registers. Here we describe a general method of initialization and experimentally demonstrate it with two-, three-, and four-qubit nuclear spin registers.
ISSN: 1050-2947
Appears in Collections:JOURNAL ARTICLES

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