Dirac Strings and Magnetic Monopoles in the Spin Ice Dy 2 Ti 2 O 7-Reference-Cited by-同舟云学术

Dirac Strings and Magnetic Monopoles in the Spin Ice Dy 2 Ti 2 O 7

Published:2009-10-16 Issue:5951 Volume:326 Page:411-414
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Morris D. J. P.¹,Tennant D. A.¹²,Grigera S. A.³⁴,Klemke B.¹²,Castelnovo C.⁵,Moessner R.⁶,Czternasty C.¹,Meissner M.¹,Rule K. C.¹,Hoffmann J.-U.¹,Kiefer K.¹,Gerischer S.¹,Slobinsky D.³,Perry R. S.⁷

Affiliation:

1. Helmholtz-Zentrum Berlin für Materialien und Energie, Glienicker Str. 100, D-14109 Berlin, Germany.

2. Institut für Festkörperphysik, Technische Universität Berlin, Hardenbergstr. 36, D-10623 Berlin, Germany.

3. School of Physics and Astronomy, North Haugh, St. Andrews, Fife KY15 9SS, UK.

4. Instituto de Física de Líquidos y Sistemas Biológicos, CONICET, UNLP, La Plata, Argentina.

5. Rudolf Peierls Centre for Theoretical Physics, 1 Keble Road, Oxford OX1 3NP, UK.

6. Max-Planck-Institut für Physik Komplexer Systeme, Nöthnitzer Str. 38, D-01187 Dresden, Germany.

7. School of Physics, University of Edinburgh, Mayfield Road, Edinburgh EH9 3JZ, UK.

Abstract

Magnetic Monopoles Magnets come with a north and a south pole. Despite being predicted to exist, searches in astronomy and in high-energy particle physics experiments for magnetic monopoles (either north or south on their own) have defied observation. Theoretical work in condensed-matter systems has predicted that spin-ice structures may harbor such elusive particles (see the Perspective by

Gingras

). Fennell et al. (p. 415 , published online 3 September) and Morris et al. (p. 411 , published online 3 September) used polarized neutron scattering to probe the spin structure forming in two spin-ice compounds—Ho 2 Ti 2 O 7 and Dy 2 Ti 2 O 7 —and present results in support of the presence of magnetic monopoles in both materials.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference19 articles.

1. Magnetic Monopoles

2. New limits on magnetic monopoles searches from accelerator and nonaccelerator experiments

3. Spin Ice State in Frustrated Magnetic Pyrochlore Materials

4. The Structure and Entropy of Ice and of Other Crystals with Some Randomness of Atomic Arrangement

5. Zero-point entropy in ‘spin ice’

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