Magnetic-field-enhanced incommensurate magnetic order in the underdoped high-temperature superconductor YBa(2)Cu(3)O(6.45)

Abstract

We present a neutron-scattering study of the static and dynamic spin correlations in the underdoped high-temperature superconductor YBa(2)Cu(3)O(6.45) 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.

4 pages, 3 figures. Version 2 as accepted by PRL, contains updated reference list and improved comparison to similar effects in the La-214 system

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Cited by in corpus (10)

• Lattice symmetry breaking in cuprate superconductors: Stripes, nematics, and superconductivity
• Striped superconductors: How the cuprates intertwine spin, charge and superconducting orders
• Fermi Surface Evolution in an Electron-Doped High-Tc Superconductor Revealed by Magnetic Quantum Oscillations
• Competition between spin density wave order and superconductivity in the underdoped cuprates
• Fluctuating spin density waves in metals
• Evidence for competing magnetic instabilities in underdoped $\mathrm{YB}{\mathrm{a}}_2\mathrm{C}{\mathrm{u}}_3{\mathrm{O}}_{6+\mathrm{x}}$
• Resonant elastic soft x-ray scattering in oxygen-ordered YBa_2Cu_3O_{6+delta}
• Theory of Resistivity Upturns in Metallic Cuprates
• High-T_c Superconductivity with T_c = 52 K under Antiferromagnetic Order in Five-layered Cuprate Ba_2Ca_4Cu_5O_10(F,O)_2 with T_N = 175 K: 19F- and Cu-NMR Studies
• Magnetic field-induced soft mode in spin-gapped high-Tc superconductors