Multipartite Entanglement Among Single Spins in Diamond-Reference-Cited by-同舟云学术

Multipartite Entanglement Among Single Spins in Diamond

Published:2008-06-06 Issue:5881 Volume:320 Page:1326-1329
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Neumann P.¹²³⁴⁵,Mizuochi N.¹²³⁴⁵,Rempp F.¹²³⁴⁵,Hemmer P.¹²³⁴⁵,Watanabe H.¹²³⁴⁵,Yamasaki S.¹²³⁴⁵,Jacques V.¹²³⁴⁵,Gaebel T.¹²³⁴⁵,Jelezko F.¹²³⁴⁵,Wrachtrup J.¹²³⁴⁵

Affiliation:

1. 3.Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart, Germany.

2. Graduate School of Library, Information and Media Studies, University of Tsukuba, 1-2 Kasuga, Tsukuba-City, Ibaraki 305-8550, Japan.

3. Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843, USA.

4. Diamond Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, Tsukuba, 305-8568, Japan.

5. Nanotechnology Research Institute AIST, Tsukuba Central 2, Tsukuba, 305-8568, Japan.

Abstract

Robust entanglement at room temperature is a necessary requirement for practical applications in quantum technology. We demonstrate the creation of bipartite- and tripartite-entangled quantum states in a small quantum register consisting of individual 13 C nuclei in a diamond lattice. Individual nuclear spins are controlled via their hyperfine coupling to a single electron at a nitrogen-vacancy defect center. Quantum correlations are of high quality and persist on a millisecond time scale even at room temperature, which is adequate for sophisticated quantum operations.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference33 articles.

1. Optical Quantum Computing

2. Bell States of Atoms with Ultralong Lifetimes and Their Tomographic State Analysis

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4. Observation of Entanglement of a Single Photon with a Trapped Atom

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