Microscopic theory of magnetic phase transitions in HoNi2B2C

被引：35

作者：

Amici, A ^{[1
]}

Thalmeier, P

机构：

[1] Max Planck Phys Komplexer Syst, D-01187 Dresden, Germany

[2] Max Planck Inst Chem Phys Stoffe, D-01187 Dresden, Germany

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 17期

关键词：

D O I：

10.1103/PhysRevB.57.10684

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present a microscopic theory for the low-temperature metamagnetic phase diagram of HoNi2B2C that agrees well with experiments. For the same model we determined the zero-field ground state as a function of temperature and found the c-axis commensurate-to-incommensurate transition in the expected temperature range. The complex behavior of the system originates from the competition between the crystalline electric field and the Ruderman-Kittel-Kasuya-Yosida interaction, whose effective form is obtained. No essential influence of superconductivity has to be invoked to understand the magnetic phase diagram of this material. [S0163-1829(98)10217-5].

引用

页码：10684 / 10687

页数：4

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