期刊
JOURNAL OF PHYSICS-CONDENSED MATTER
卷 25, 期 34, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/25/34/345701
关键词
-
资金
- Russian Foundation for Basic Research [13-02-00492-a]
We analyse the spin excitations near the optimal doping of superconducting layered cuprates taking into account both the local and the itinerant spin components self-consistently. The obtained expression allows us to reproduce well the basic features of the resonant inelastic x-ray scattering and neutron scattering data experiments using a reasonable set of tight-binding parameters corresponding to the angle-resolved photoemission spectroscopy data. We also find that the spin excitation branch along the (0, 0) - (0, pi) symmetry direction in the first Brillouin zone shows a splitting at T < T-c. Possible experiments for verification of that prediction are briefly discussed.
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