Anomalous Noise in the Pseudogap Regime of YBa${}_2$Cu${}_3$O${}_{7-\delta }$

Abstract

An unusual noise component is found near and below about 250 K in the normal state of underdoped YBCO and Ca-YBCO films. This noise regime, unlike the more typical noise above 250 K, has features expected for a symmetry-breaking collective electronic state. These include large individual fluctuators, a magnetic sensitivity, and aging effects. A possible interpretation in terms of fluctuating charge nematic order is presented.

arXiv comment4 pages, 4 figures

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Cited by in corpus (6)

• Nematic Fermi Fluids in Condensed Matter Physics
• Kerr effect as evidence of gyrotropic order in the cuprates - revisited
• Relationship among superconductivity, pseudogap, and high-energy magnetic fluctuations in a model high-Tc superconductor from electronic Raman scattering
• Low frequency noise in ballistic Nb/Ag point contacts
• Interplay between atomic fluctuations and charge density waves in La${}_{2-x}$Sr${}_x$CuO${}_4$
• Thermal and field-induced transitions in ferroquadrupolar Kondo systems