Anderson, P. W. ; Baskaran, G. ; Zou, Z. ; Hsu, T. (1987) Resonating-valence-bond theory of phase transitions and superconductivity in La2CuO4-based compounds Physical Review Letters, 58 (26). pp. 2790-2793. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v58/i26/p2790_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.58.2790
Abstract
This paper identifies the mysterious high-T 'twitch' transition in La2CuO4 with the mean-field resonating-valence-bond transition of the Heisenberg model of Baskaran, Zou, and Anderson. The structure distortions are caused by Coulomb correlations of the pair wave function. In the pure compound the pseudo-Fermi surface of the spin soliton nests and antiferromagnetism occurs at 240 K. Superconductivity and the nature of excitations in the system are briefly discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 1925 |
| Deposited On: | 08 Oct 2010 11:29 |
| Last Modified: | 16 May 2011 10:01 |
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