Aspect of Spin-Charge Separation Due to Antiferromagnetic Spin Fluctuations in Technically Nested 2D Metals
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概要
- 論文の詳細を見る
It is shown that the charge susceptibility in nearly half-filled two-dimensional (2D) metals, with technically nested Fermi surface, shows anomaly at the wave vector different from that for the spin susceptibility at low temperatures. Namely charge degrees of freedom behave there as if their "Fermi surface" corresponded to that of "holes" created in the Mott insulator. Such anomaly is caused by the Aslamazov-Larkin-type contribution of 2D antiferromagnetic spin fluctuations. This phenomenon gives a possible clue to resolve the paradox of normal state properties of high-T_c cuprates starting from the Fermi-liquid fixed point.
- 社団法人日本物理学会の論文
- 1994-06-15
著者
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Miyake Kazumasa
Department Of Internal Medicine Division Of Gastroenterology Nippon Medical School
-
Narikiyo O
Department Of Physics Faculty Of Sciences Kyushu University
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Narikiyo Osamu
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Narikiyo Osamu
Division Of Materials Physics Department Of Physical Science Graduate School Of Engineering Science
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