Possible Spin-Liquid State in Doped Antiferromagnets

Chin. Phys. Lett.

1992, Vol. 9

Issue (1): 45-48 DOI:

Original Articles

Possible Spin-Liquid State in Doped Antiferromagnets

FENG Shiping;HAN Fei;GUO Rui

Department of Physics, Beijing Normal University, Beijing 100875

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FENG Shiping, HAN Fei, GUO Rui 1992 Chin. Phys. Lett. 9 45-48

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Abstract The phase diagram of the copper oxide materials as a function of doping δ is obtained in the framework of t-t - J- J model by using the Schiwinger boson-slave fermion theory. The results show that the both doped holes and quantum fluctuation of spins, which are treated on the same footing, are in favor of the spin-liquid state.

Keywords: 75.10.Jm 71.30.+h 74.65.+n

Published: 01 January 1992

PACS:	75.10.Jm	(Quantized spin models, including quantum spin frustration)
	71.30.+h	(Metal-insulator transitions and other electronic transitions)
	74.65.+n

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1992/V9/I1/045

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