Magnetic order in the pseudogap phase of high-$T_C$ superconductors

Abstract

One of the leading issues in high-$T_C$ superconductors is the origin of the pseudogap phase in underdoped cuprates. Using polarized elastic neutron diffraction, we identify a novel magnetic order in the YBa${}_2$Cu${}_3$O${}_{6+x}$ system. The observed magnetic order preserves translational symmetry as proposed for orbital moments in the circulating current theory of the pseudogap state. To date, it is the first direct evidence of an hidden order parameter characterizing the pseudogap phase in high-$T_C$ cuprates.

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Cited by in corpus (150)

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• Polar Kerr Effect Measurements of YBa2Cu3O6+x: Evidence for Broken Symmetry Near the Pseudogap Temperature
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• From a single-band metal to a high-temperature superconductor via two thermal phase transitions (Supporting Material)
• Resonant X-ray Scattering Study of Charge Density Wave Correlations in YBa${}_2$Cu${}_3$O${}_{6+x}$
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• Kohn-Luttinger-like mechanism for unconventional charge density waves
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