Low temperature magnetism of the S=1/2 quasi one-dimensional Ising-like anitiferromagnet BaCo2V2O8

被引：2
|
作者：
Kimura, S. [1 ]
Takeuchi, T. [2 ]
Hagiwara, M. [1 ]
Okunishi, K. [3 ]
He, Z. [4 ]
Taniyama, T. [5 ]
Itoh, M. [5 ]
机构：
[1] Osaka Univ, KYOKUGEN, Osaka 5608531, Japan
[2] Osaka Univ, Low Temp Ctr, Toyonaka, Osaka 5600043, Japan
[3] Niigata Univ, Dept Phys, Niigata 9502181, Japan
[4] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778531, Japan
[5] Tokyo Inst Technol, Mat & Struct Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
来源：
25TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT25), PART 4: QUANTUM PHASE TRANSITIONS AND MAGNETISM | 2009年 / 150卷
关键词：
CRITICAL EXPONENTS;
D O I：
10.1088/1742-6596/150/4/042090
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
We report the results of thermodynamic measurements on the quasi one-dimensional (1D) Ising-like antiferromagnet BaCo2V2O8 in the magnetic fields for H//c down to 200 mK. An appearance of a long range magnetic ordered phase is observed in the field induced region above H-c similar or equal to 3.9 T at temperature below 1.8 K. A peculiar incommensurate ordering, which reflects a quantum critical nature of S = 1/2 1D Ising-like antiferromagnet, realizes in this ordered phase.
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页数：4
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