Coincident onset of charge density wave order at a quantum critical point in underdoped YBCO

Abstract

The recently demonstrated x-ray scattering approach using a free electron laser with a high field pulsed magnet has opened new opportunities to explore the charge density wave (CDW) order in cuprate high temperature superconductors. Using this approach, we substantially degrade the superconductivity with magnetic fields up to 33 T to investigate the onset of CDW order in YBa${}_2$Cu${}_3$O${}_x$ at low temperatures near a putative quantum critical point (QCP) at $p_1\sim$ 0.08 holes per Cu. We find no CDW can be detected in a sample with a doping concentration less than $p_1$. Our results indicate that the onset of the CDW ground state lies inside the zero-field superconducting dome, and broken translational symmetry is associated with the putative QCP at $p_1$

arXiv comment4 figures

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Cited by in corpus (11)

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• Observation of two types of charge density wave orders in superconducting La${}_{2-x}$Sr${}_x$CuO${}_4$
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• Charge ordering in superconducting copper oxides
• Unusual interplay between superconductivity and field-induced charge order in YBa2Cu3Oy
• Locally commensurate charge-density wave with three-unit-cell periodicity in YBCO
• Fragile superconductivity in the presence of weakly disordered charge density waves
• Characterization of photoinduced normal state through charge density wave in superconducting YBa${}_2$Cu${}_3$O${}_{6.67}$
• Identification of a Critical Doping for Charge Order Phenomena in Bi-2212 Cuprates via RIXS
• Doping dependence of d-wave bond-charge excitations in electron-doped cuprates
• Crossover from charge density wave stabilized antiferromagnetism to superconductivity in Nd${}_{1-x}$La${}_x$NiC${}_2$ compounds