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Title: | Initialization of NMR quantum registers using long-lived singlet states |
Authors: | Roy, Soumya Singha MAHESH, T. S. Dept. of Physics |
Keywords: | Quantum information processing Four-qubit nuclear spin 2010 |
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. |
URI: | http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/1521 https://doi.org/10.1103/PhysRevA.82.052302 |
ISSN: | 1050-2947 1094-1622 |
Appears in Collections: | JOURNAL ARTICLES |
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