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Investigation of symmetry‐breaking flux‐line lattice phases in superconductors by small‐angle neutron scattering
Author(s) -
Forgan Edward,
Laver Mark,
Bowell Charlotte
Publication year - 2007
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889806047807
Subject(s) - condensed matter physics , superconductivity , physics , lattice (music) , degenerate energy levels , symmetry breaking , neutron scattering , neutron diffraction , diffraction , scattering , niobium , materials science , optics , quantum mechanics , acoustics , metallurgy
In single‐crystal superconductors in the mixed state, flux‐line structures may have a lower symmetry than the host crystal. In this case, multiple degenerate flux lattice domains may be present simultaneously and give rise to complicated small‐angle diffraction patterns. The interpretation of these patterns in terms of the flux lattice structure in a single domain is discussed, with particular reference to recently reported spontaneous symmetry‐breaking flux‐line lattice phases in niobium.