Physics – Condensed Matter
Scientific paper
1997-08-22
Mod. Phys. Lett. B10 (1996) 1301
Physics
Condensed Matter
14 pages
Scientific paper
Within the $t$-$J$ model, we study the doping dependence of antiferromagnetism in the copper oxide materials by considering quantum fluctuations of spinons in the random-phase-approximation. The staggered magnetization vanishes around doping $\delta=5%$ for a reasonable parameter value $t/J=5$, which is in agreement with the experiments on copper oxide materials.
Feng Shiping
Huang Zhongbing
Song Yun
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