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Anomalous Properties around Magnetic Instability in Heavy Electron Systems
Abstract
Spin fluctuations in heavy electron systems around their antiferromagnetic instability are discussed from a phenomenological point of view by using a sum rule for the dynamical susceptibility valid in the strong correlation limit. As a result the dynamical susceptibility takes the same form as in the standard spin fluctuation theory of weak itinerant antiferromagnetism, although the values for the parameters are substantially different from those in d-metals. The expression for the Néel temperature given in terms of the staggered magnetization at 0 K and the spin fluctuation parameters are successfully compared with experiment. Anomalous (non-Fermi liquid) behaviors reported for the specific heat and electrical resistivity in some heavy electron systems around their magnetic instabilities are explained in terms of this theory.
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Citations
Cited by
Quantum criticality in heavy-fermion metals
Gegenwart, P., Si, Q., & Steglich, F. (2008) · Nature Physics · doi:10.1038/nphys892 · Cited by 1,309
Weak magnetism and non-Fermi liquids near heavy-fermion critical points
Senthil, T., Vojta, M., & Sachdev, S. (2004) · Physical Review B · doi:10.1103/physrevb.69.035111 · Cited by 553
Antiferromagnetic spin fluctuation and superconductivity
Moriya, T. R., & Ueda, K. (2003) · Reports on Progress in Physics · doi:10.1088/0034-4885/66/8/202 · Cited by 294
Self-citationReview of U-based Ferromagnetic Superconductors: Comparison between UGe2, URhGe, and UCoGe
Aoki, D., Ishida, K., & Flouquet, J. (2019) · Journal of the Physical Society of Japan · doi:10.7566/jpsj.88.022001 · Cited by 240
Metadata
- Authors
- Moriya, T., & Takimoto, T.
- Venue
- Journal of the Physical Society of Japan
- Publisher
- Physical Society of Japan
- Published
- 1995-03-15
- Volume
- 64
- Issue
- 3
- Pages
- 960-969
- ISSN
- 0031-9015 (ISSN-L)
- 1347-4073
- OpenAlex
- W2042398793
- Cited by
- 682
- References
- 0
- FWCI
- 15.98
- Type
- journal article
- Language
- en
- Open access
- closed
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- Moriya, T., & Takimoto, T. (1995). Anomalous Properties around Magnetic Instability in Heavy Electron Systems. Journal of the Physical Society of Japan. https://doi.org/10.1143/jpsj.64.960
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