Precision Search for Magnetic Order in the Pseudogap Regime of La2-xSrxCuO4 by Muon Spin Relaxation

Abstract

We report a high precision search for orbital-like magnetic order in the pseudogap region of La2-xSrxCuO4 single crystals using zero-field muon spin relaxation (ZF-muSR). In contrast to previous studies of this kind, the effects of the dipolar and quadrupolar interactions of the muon with nearby nuclei are calculated. ZF-muSR spectra with a high number of counts were also recorded to determine whether a magnetically ordered phase exists in dilute regions of the sample. Despite these efforts, we find no evidence for static magnetic order of any kind in the pseudogap region above the hole-doping concentration p = 0.13.

8 pages, 7 figures

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• Universal inhomogeneous magnetic-field response in the normal state of cuprate high-Tc superconductors
• Open Quantum Dynamics Theory of Spin Relaxation: Application to $\mu$SR and Low-Field NMR Spectroscopies
• Curie-like paramagnetism due to incomplete Zhang-Rice singlet formation in La2-xSrxCuO4
• Investigation of potential fluctuating intra-unit cell magnetic order in cuprates by muon spin relaxation
• Absence of $\mu$SR evidence for magnetic order in the pseudogap phase of Bi${}_{2+x}$Sr${}_{2-x}$CaCu${}_2$O${}_{8+\delta }$
• Quasi-Static Internal Magnetic Field Detected in the Pseudogap Phase of Bi${}_{2+x}$Sr${}_{2-x}$CaCu${}_2$O${}_{8+\delta }$ by $\mu$SR
• Unusual slow magnetic fluctuations and critical slowing down in Sr${}_2$Ir${}_{1-x}$Rh${}_x$O${}_4$
• Signatures of orbital loop currents in the spatially resolved local density of states
• Muon Spin Relaxation and fluctuating magnetism in the pseudogap phase of YBa${}_2$Cu${}_3$O${}_y$
• The Future of the Correlated Electron Problem
• Learning from physics experiments, with quantum computers: Applications in muon spectroscopy
• Loop currents in ladder cuprates: A dynamical mean field theory study
• Intra-unit-cell Magnetic Order in Stoichiometric La${}_2$CuO${}_4$