Temperature Dependence of Commensurate Magnetic Resonance in Cuprate Superconductors

Abstract:

Within the kinetic energy driven superconducting mechanism, we have studied the temperature dependence of commensurate magnetic resonance in cuprate superconductors. It is shown that the commensurate magnetic resonance peak at the antiferromagnetic wave vector point persists in the superconducting state until the temperature rises to the superconducting transition temperature $T_{\rm c}$. The intensity of the resonance peak decreases with increasing temperature which is just like the temperature dependence of the superconducting gap parameter. Our results are in qualitative agreement with the inelastic neutron scattering experimental data and reflect that the commensurate magnetic resonance is closely related to the creation of the charge carrier pairs and thus the superconducting mechanism of cuprate superconductors.

• Periodical: Key Engineering Materials (Volume 787)
• Pages: 31-36
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.787.31
• Online since: November 2018
• Authors: Yu Lan*, Lü Lin Kuang
• Keywords: Cuprate Superconductor, Magnetic Resonance, Temperature Dependence

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