Phys. Rev. Lett. 70, 2810–2813 (1993)Spin Gaps and Spin Dynamics in La2-xSrxCuO4 and YBa2Cu3O7-δSee Also: Erratum Received 14 August 1992; published in the issue dated 3 May 1993 A magnetic susceptibility which decreases with decreasing temperature is observed in all CuO2 based superconductors with less than optimal doping. We propose that in La2-xSrxCuO4 this is due to spin density wave ordering which is prevented by the low spatial dimensionality, while in YBa2Cu3O6.6 it is due to the interplay between antiferromagnetic fluctuations within a plane and singlet pairing of electrons between nearest neighbor planes. © 1993 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.70.2810
DOI:
10.1103/PhysRevLett.70.2810
PACS:
74.65.+n, 75.10.-b, 75.30.Kz, 76.60.-k
See AlsoErratum: A. J. Millis and H. Monien, Spin Gaps and Spin Dynamics in La2-xSrxCuO4 and YBa2Cu3O7-δ, Phys. Rev. Lett. 71, 210 (1993). |
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