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μSR studies of the vortex lattice in high‐Tc and other superconductors |
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| Authors: | E.M. Forgan M.T. Wylie S. Lloyd M.P. Nutley S.L. Lee R. Cubitt C. Aegerter H. Keller T.W. Li |
| Affiliation: | 1. Superconductivity Research Group, University of Birmingham, Birmingham, B15 2TT, United Kingdom 2. School of Physics and Astronomy, University of St. Andrews, St. Andrews, KY16 9SS, Scotland, United Kingdom 3. Institut Laue‐Langevin, BP 156, F‐38042, Grenoble Cedex, France 4. Physik‐Institut der Universit?t Zürich, Winterthurerstrasse 190, CH‐8057, Zürich, Switzerland 5. Kamerlingh Onnes Laboratorium, Leiden University, P.O. Box 9506, 2300 RA, Leiden, The Netherlands |
| Abstract: | We review some of the assumptions made in the use of muon spin rotation in superconductors: i.e. that the muons are implanted at random positions in the flux lattice, remain static after implantation and do not appreciably affect the properties of the surrounding superconductor; also that the flux lines are straight and static, and that the observed muon rotation frequency spectrum reflects the microscopic distribution of field values. We shall show how evidence for and against the truth of these assumptions in particular cases may be obtained from the μSR results themselves or by comparison with other measurements, and how this in turn may lead to deeper understanding of flux line structure and motion in superconductors. This revised version was published online in August 2006 with corrections to the Cover Date. |
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