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research article
Magnetic-Field-Enhanced Incommensurate Magnetic Order in the Underdoped High-Temperature Superconductor YBa2Cu3O6.45
We present a neutron-scattering study of the static and dynamic spin correlations in the underdoped high-temperature superconductor YBa2Cu3O6.45 in magnetic fields up to 15 T. The field strongly enhances static incommensurate magnetic order at low temperatures and induces a spectral-weight shift in the magnetic-excitation spectrum. A reconstruction of the Fermi surface driven by the field-enhanced magnetic superstructure may thus be responsible for the unusual Fermi surface topology revealed by recent quantum-oscillation experiments.
Type
research article
Web of Science ID
WOS:000267697900047
Authors
Haug, D.
•
Hinkov, V.
•
Suchaneck, A.
•
Inosov, D. S.
•
Christensen, N. B.
•
Niedermayer, Ch.
•
Bourges, P.
•
Sidis, Y.
•
Park, J. T.
•
Ivanov, A.
Publication date
2009
Published in
Volume
103
Issue
1
Article Number
017001
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
November 30, 2010
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