The resonance peak in the electron-doped cuprate superconductors

Abstract

We study the emergence of a magnetic resonance in the superconducting state of the electron-doped cuprate superconductors. We show that the recently observed resonance peak in the electron-doped superconductor Pr${}_{0.88}$LaCe${}_{0.12}$CuO${}_{4-\delta }$ is consistent with an overdamped spin exciton located near the particle-hole continuum. We present predictions for the magnetic-field dependence of the resonance mode as well as its temperature evolution in those parts of the phase diagram where $d_{x^2-y^2}$-wave superconductivity may coexist with an antiferromagnetic spin-density wave.

5 Pages, 4 Figures

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• Field induced spin exciton doublet splitting in d_{x^2-y^2}-wave 115-heavy electron superconductors
• Doping and energy evolution of spin dynamics in the electron-doped cuprate superconductor Pr${}_{0.88}$LaCe${}_{0.12}$CuO${}_{4-\delta }$
• Strong Spin Resonance Mode associated with suppression of soft magnetic ordering in Hole-doped Ba1-xNaxFe2As2
• Anisotropic effect of a magnetic field on the neutron spin resonance in FeSe
• Bound state of 4$f$-excitation and magnetic resonance in unconventional superconductors
• Evolution of the spin resonance of CeCoIn${}_5$ as a function of magnetic field and La substitution
• Effect of spin excitations on the property of quasiparticles in electron-doped cuprates
• The commensurate magnetic excitations induced by band-splitting and Fermi surface topology in n-type Cuprates
• Field-induced collective spin-exciton condensation in a quasi-2D dx2-y2-wave heavy electron superconductor
• Momentum and doping dependence of spin excitations in electron-doped cuprate superconductors
• Superconductivity and magnetic fluctuations in electron-doped cobaltate superconductors
• Magnetic excitations in the helical Rashba superconductor
• Hot-lines topology and the fate of the spin resonance mode in three-dimensional unconventional superconductors