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Doping and energy evolution of spin dynamics in the electron-doped cuprate superconductor<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mi mathvariant="normal">Pr</mml:mi><mml:mn>0.88</mml:mn></mml:msub><mml:mi mathvariant="normal">La</mml:mi><mml:msub><mml:mi mathvariant="normal">Ce</mml:mi><mml:mn>0.12</mml:mn></mml:msub><mml:mi mathvariant="normal">Cu</mml:mi><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mrow><mml:mn>4</mml:mn><mml:…
The doping and energy evolution of the magnetic excitations of the electron-doped cuprate superconductor ${\mathrm{Pr}}_{0.88}\mathrm{La}{\mathrm{Ce}}_{0.12}\mathrm{Cu}{\mathrm{O}}_{4\ensuremath{-}\ensuremath{\delta}}$ in the superconducting state is studied based on the kinetic energy driven superconducting mechanism. It is shown that there is a broad commensurate scattering peak at low energy, then the resonance energy is located among …