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Phys. Rev. Lett. 100, 107001 (2008) [4 pages]

Uncovering Flux Line Correlations in Superconductors by Reverse Monte Carlo Refinement of Neutron Scattering Data

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M. Laver1,2,3,4, E. M. Forgan2, A. B. Abrahamsen5, C. Bowell2, Th. Geue6, and R. Cubitt3
1NIST Center for Neutron Research, Gaithersburg, Maryland 20899, USA
2School of Physics and Astronomy, The University of Birmingham, Birmingham B15 2TT, United Kingdom
3Institut Laue-Langevin, BP 156, F-38042 Grenoble, France
4University of Maryland, College Park, Maryland 20742, USA
5Risø National Laboratory, DTU, Frederiksborgvej 399, DK-4000 Roskilde, Denmark
6Paul Scherrer Institut, Villigen PSI, CH 5232, Switzerland

See Also: Publisher's Note

Received 2 November 2007; published 12 March 2008; corrected 31 March 2008

We describe the use of reverse Monte Carlo refinement to extract structural information from angle-resolved data of a Bragg peak. Starting with small-angle neutron scattering data, the positional order of an ensemble of flux lines in superconducting Nb is revealed. We discuss the uncovered correlation functions in the light of topical theories, in particular, the “Bragg glass” paradigm.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.100.107001
DOI:
10.1103/PhysRevLett.100.107001
PACS:
74.25.Qt, 05.10.Ln, 61.05.F−, 61.43.−j

See Also

Publisher's Note: M. Laver, E. M. Forgan, A. B. Abrahamsen, C. Bowell, Th. Geue, and R. Cubitt, Publisher’s Note: Uncovering Flux Line Correlations in Superconductors by Reverse Monte Carlo Refinement of Neutron Scattering Data [Phys. Rev. Lett. 100, 107001 (2008)], Phys. Rev. Lett. 100, 149904 (2008).

 
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