Abstract
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.
Original language | English |
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Journal | Physical Review Letters |
Volume | 103 |
Issue number | 1 |
Pages (from-to) | 017001 |
ISSN | 0031-9007 |
DOIs | |
Publication status | Published - 2009 |
Bibliographical note
Copyright (2009) by the American Physical Society.Keywords
- Materials research
- Superconducting materials for the energy sector