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Commensurate and incommensurate spin fluctuations in YBa2Cu3O6+y |
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| Authors: | Khee-Kyun Voo Wen-Chin Wu |
| Affiliation: | Department of Physics, National Taiwan Normal University, 88, Sector 4, Ting-Chou Road, Taipei 11650, Taiwan, ROC |
| Abstract: | We present an interpretation of the recent neutron data on the commensurate and incommensurate spin fluctuations found in YBa2Cu3O6+y based on a special configuration of the electronic dispersion and intervention from the dx2−y2-wave superconducting phase. The observed switch-over between the commensurate and incommensurate fluctuation spectra at the change of frequency or temperature is naturally accounted within this scenario. |
| Keywords: | High-Tc superconductivity Magnetic property Neutron scattering |
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