Zero-point spin fluctuations in itinerant electron metamagnetism

被引：0

作者：

Hirooka, S ^{[1
]}

机构：

[1] Kagoshima Univ, Dept Bioengn, Kagoshima 8900065, Japan

来源：

PHYSICA B | 2000年 / 284卷 / 284期

关键词：

metamagnetism; YCo2; zero-point spin fluctuation;

D O I：

10.1016/S0921-4526(99)02474-6

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Itinerant electron metamagnetism at low temperature is investigated in the spin fluctuation (SF) theory considering the zero-point fluctuation. It is shown that the zero-point SF plays an important role in the strongly exchange-enhanced paramagnetism and the mass enhancement of these metamagnetic materials at low temperature because of the valley structure of the electronic density-of-state (DOS) curve near the Fermi energy. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：1349 / 1350

页数：2

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