Abstract
Within the kinetic energy driven superconducting mechanism, the effect of a uniform external magnetic field on the resonance scattering in cuprate superconductors in the superconducting state is studied. It is shown that the commensurate resonance scattering at zero external magnetic field is induced into the incommensurate resonance scattering by applying a large enough external magnetic field. The part of the spin excitation dispersion seems to be an hourglass-like dispersion, which breaks down at the heavily low energy regime.
| Original language | English |
|---|---|
| Pages (from-to) | 41-44 |
| Number of pages | 4 |
| Journal | Journal of Superconductivity and Novel Magnetism |
| Volume | 22 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2009 |
| Externally published | Yes |
Keywords
- Cuprate superconductors
- Hourglass-like dispersion
- Incommensurate resonance
- Magnetic scattering
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