Superfluid response in monolayer high-Tc cuprates

Abstract

We have studied the doping dependence of the in-plane and out-of-plane superfluid density, ρ^s(0), of two monolayer high-Tc superconductors, HgBa_2CuO_{4+δ} and La_{2-x}Sr_xCuO_4, using the low frequency ac-susceptibility and the muon spin relaxation techniques. For both superconductors, ρ^s(0) increases rapidly with doping in the under- and optimally doped regime and becomes nearly doping independent above a critical doping, p_c = 0.20.

3 pages, 5 figures

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• Critical point and the nature of the pseudogap of single-layered copper-oxide Bi${}_2$Sr${}_{2-x}$La${}_x$CuO${}_{6+\delta }$ superconductors
• Superconductor-to-Metal Quantum Phase Transition in Overdoped $L{a}_{2-x}S{r}_{x}Cu{O}_4$
• Hole Doping Dependence of the Coherence Length in $L{a}_{2-x}S{r}_{x}Cu{O}_4$ Thin Films
• Isotope Effect in the Superfluid Density of HTS Cuprates: Stripes, Pseudogap and Impurities
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• Exposing the spin glass ground state of the non-superconducting La${}_{2-x}$Sr${}_x$Cu${}_{1-y}$Zn${}_y$O${}_4$ high-$T_c$ oxide
• Direct Search for a Ferromagnetic Phase in a Heavily Overdoped Nonsuperconducting Copper Oxide
• Low energy physical properties of high-Tc superconducting Cu oxides: A comparison between the resonating valence bond and experiments
• Nodal Protectorate: A Unified Theory of the ab-plane and c-axis Penetration Depths of Underdoped cuprates
• Interplay between the pseudogap and superconductivity in HgBa${}_2$CuO${}_4$ single crystals
• Anomalously Sharp Superconducting Transitions in Overdoped $L{a}_{2-x}S{r}_{x}Cu{O}_4$ Films
• Two types of superconducting domes in unconventional superconductors
• Magnetic order in the normal state of the archetypal high-Tc superconductor La2-xSrxCuO4
• Magnetic vortex lattice in HgBa2CuO4+x observed by small-angle neutron scattering
• Enhancement of the superconducting transition temperature in cuprate heterostructures
• Superuid density in overdoped cuprates: thin films versus bulk samples
• Universal optimal hole-doping concentration in single-layer high-temperature cuprate superconductors
• The spectral weight of hole doped cuprates across the pseudogap critical point
• Curie-like paramagnetism due to incomplete Zhang-Rice singlet formation in La2-xSrxCuO4
• The diamagnetism above the superconducting transition in underdoped La(1.9)Sr(0.1)CuO(4) revisited: Chemical disorder or phase incoherent superconductivity?
• Scanning SQUID characterization of extremely overdoped $L{a}_{2-x}S{r}_{x}Cu{O}_4$
• Thermodynamic and transport properties of underdoped cuprates from ARPES data
• High-field muSR studies of superconducting and magnetic correlations in cuprates above Tc
• Anisotropic magnetotransport of superconducting and normal state in an electron-doped Nd_{1.85}Ce_{0.15}CuO_{4-δ} single crystal
• Effect of radiation-induced defects on the superfluid density and optical conductivity of overdoped La${}_{2-x}$Sr${}_x$CuO${}_4$
• The Isotope Effect in Superconductors
• Why the superfluid density tracks $T_{\mathrm{c}}$ in cuprate superconductors?
• Incoherent tunneling and topological superconductivity in twisted cuprate bilayers
• Thermal and Quantum critical Properties of overdoped La_{2-x}Sr_{x}CuO_{4}
• Estimation of Cooper pair density and its relation to the critical current density in hole doped high-Tc cuprate superconductors