Anomalous Nuclear Magnetic Relaxation in Narrow-Band Systems

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概要

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• The temperature dependences of nuclear magnetic relaxation time (NMR T.) andparamagnetic susceptibility were theoretically examined in various models of narrow-band systems in connection with recently discovered Cu-oxide high-I. superconduc-tors. When the chemical potential lies in the neighborhood of Jogarithmicallydivergent van Hove singularity inherent in two-dimensional systems, their tempera-ture dependences are anomalous in a weakly degenerate region of temperatures. If ex-ponents must be assigned in such a region, then l / T. is approximately proportionalto T"', and susceptibility approximately to T "", T being temperature.

• 社団法人日本物理学会の論文
• 1988-07-15

著者

• Ohkawa Fusayoshi

  Department Of Physics Hokkaido University

関連論文

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• Interband Effects in High-T_c Oxide Superconductors
• The Electronic Structure of ρ-Channel Inversion Layers of Silicon (100) M.O.S: Many-Body Effects on Subbands
• Positive Magnetoresistance of Kondo Lattices
• Anomalous Nuclear Magnetic Relaxation in Narrow-Band Systems
• Anisotropie Cooper Pairs in High-T_c Superconductors

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