Spatially Anisotropic Spin Fluctuations and the Non-Fermi Liquid Properties Around the Antiferromagnetic Instability(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)

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概要

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• In order to improve analyses of anomalous or non-Fermi liquid properties of certain heavy electron systems the self-consistent renormalization theory of spin fluctuations is extended to include spatial anisotropy of systems, introducing an anisotropy parameter (0≥r_z≥1) to interpolate between 2 and 3 dimensions. Physical properties in quantum critical regime and at higher temperatures are shown to be interpolated smoothly between 2 and 3 dimensions. In particular, the temperature range of T In T-dependence of the specific heat expands with increasing spatial anisotropy (r_z→0). A few example analyses of experimental results are given.

• 社団法人日本物理学会の論文
• 2002-12-15

著者

• Kondo Hisashi

  Department of Systems Engineering, Ibaraki University

• Kondo H

  Univ. Tokyo Tokyo

• Kondo Hisashi

  Department Of Physics Faculty Of Science And Technology Science University Of Tokyo

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