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Antiferromagnetic Spin Fluctuations and Superconductivity in Two-Dimensional Metals -A Possible Model for High TcOxides

Moriya, Tôru, Takahashi, Yoshinori, Ueda, Kazuo·1990·Journal of the Physical Society of Japan

Abstract

Spin fluctuations in antiferromagnetic and nearly antiferromagnetic two dimensional (square lattice) itinerant electron systems, as a possible model for high T c superconductors, are investigated by using the self-consistent renormalization theory. The electrical resistivity and the nuclear spin relaxation rate due to the spin fluctuations in the normal state are calculated. The results in the nearly antiferromagnetic regime as applied to high T c oxides seem to explain the experimental results both in their temperature dependence and in their orders of magnitudes. By using the same spin fluctuations we discuss superconductivity due to the spin fluctuation mechanism within a weak coupling theory. The order parameter is shown to have B 1 g or A 2 g symmetry and the critical temperature is evaluated to be of the right order of magnitude.

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Metadata

Authors
Moriya, T., Takahashi, Y., & Ueda, K.
Venue
Journal of the Physical Society of Japan
Published
1990-08-15
Volume
59
Issue
8
Pages
2905-2915
ISSN
  • 0031-9015 (ISSN-L)
  • 1347-4073
OpenAlex
W2150227847
Cited by
615
References
0
FWCI
19.39
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Antiferromagnetic Spin Fluctuations and Superconductivity in Two-Dimensional Metals -A Possible Model for High TcOxides. https://app.cochat.ai/papers/10.1143/jpsj.59.2905
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Moriya, T., Takahashi, Y., & Ueda, K. (1990). Antiferromagnetic Spin Fluctuations and Superconductivity in Two-Dimensional Metals -A Possible Model for High TcOxides. Journal of the Physical Society of Japan. https://doi.org/10.1143/jpsj.59.2905

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.