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Science 2 November 2007:
Vol. 318. no. 5851, pp. 758 - 759
DOI: 10.1126/science.1150199
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Perspectives

PHYSICS:
A New State of Quantum Matter

Naoto Nagaosa

Experiments show that electron spins can flow without dissipation in a novel electrical insulator.

The author is in the Department of Applied Physics, University of Tokyo, Tokyo 113-8656, Japan. E-mail: nagaosa{at}appi.t.u-tokyo.ac.jp

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Observation of Unconventional Quantum Spin Textures in Topological Insulators.
D. Hsieh, Y. Xia, L. Wray, D. Qian, A. Pal, J. H. Dil, J. Osterwalder, F. Meier, G. Bihlmayer, C. L. Kane, et al. (2009)
Science 323, 919-922
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Science. ISSN 0036-8075 (print), 1095-9203 (online)