Evolution of spin dynamics in electron-doped cuprate superconductors |
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Authors: | Li Cheng |
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Affiliation: | Department of Physics, Beijing Normal University, Beijing 100875, China |
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Abstract: | Within the kinetic energy driven superconducting mechanism, the evolution of the magnetic excitations of the electron-doped cuprates in the superconducting state is studied. It is shown that there is a broad commensurate low energy magnetic scattering peak, while the magnetic resonance energy is located among this broad commensurate low energy scattering range. This broad commensurate low energy magnetic scattering disperses outward into a continuous ring-like incommensurate magnetic scattering at high energy. |
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Keywords: | 74.25.Ha 74.20.Mn 74.62.Dh |
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