Manifestation of the magnetic resonance mode in the nodal quasiparticle lifetime in superconducting cuprates

Abstract

Studying the nodal quasiparticles in superconducting cuprates by photoemission with highly improved momentum resolution, we show that a new "kink" feature in the scattering rate is a key to uncover the nature of electron correlations in these compounds. Our data provide evidence that the main doping independent contribution to the scattering can be well understood in terms of the conventional Fermi liquid model, while the additional doping dependent contribution has a magnetic origin. This sheds doubt on applicability of a phonon-mediated pairing mechanism to high temperature superconductors.

rextex, 4 pages, 4 figures

References in corpus (2)

• Electron-phonon interaction in the t-J model
• Measuring the gap in ARPES experiments

Cited by in corpus (19)

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• Bare electron dispersion from photoemission experiments
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• ARPES experiment in fermiology of quasi-2D metals (Review Article)
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• An ARPES view on the high-Tc problem: phonons vs spin-fluctuations
• Angle dependent magnetoresistance measurements in Tl${}_2$Ba${}_2$CuO${}_{6+\delta }$ and the need for anisotropic scattering
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• Colossal band renormalization and stoner ferromagnetism induced by electron-antiferromagnetic-magnon coupling
• Doping-dependence of nodal quasiparticle properties in high-$T_{\mathrm{c}}$ cuprates studied by laser-excited angle-resolved photoemission spectroscopy
• Optical response of high-$T_c$ cuprates: possible role of scattering rate saturation and in-plane anisotropy
• Unadulterated spectral function of low energy quasiparticles: Bi-2212, nodal direction
• Life of the nodal quasiparticles in Bi-2212 as seen by ARPES
• Electronic spectrum and superconductivity in the extended t-J-V model
• Effect of spin excitations on the property of quasiparticles in electron-doped cuprates
• Coupling to a phononic mode in $B{i}_{2-x}P{b}_{x}S{r}_{2}CaC{u}_2{O}_{8+\delta }$: Angle-resolved photoemission