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引用本文格式: Li Xiao-Jie ,Wang Miao-Miao,Tang Shun-Lei,Dong Ming-Hui. Study on magnetization of Blume-Capel model in spin-1 and spin-1/2 hybrid spin nanotubes by diluting the crystal field [J]. J. At. Mol. Phys., 2019, 36: 781 (in Chinese) [李晓杰,王渺渺,唐顺磊,董明慧. 稀释晶场对spin-1和spin-1/2混合自旋纳米管中Blume-Capel模型 磁化强度的研究 [J]. 原子与分子物理学报, 2019, 36: 781]
 
稀释晶场对spin-1和spin-1/2混合自旋纳米管中Blume-Capel模型 磁化强度的研究
Study on magnetization of Blume-Capel model in spin-1 and spin-1/2 hybrid spin nanotubes by diluting the crystal field
摘要点击 262  全文点击 90  投稿时间:2019-02-10  修订日期:2019-03-05
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DOI编号   
中文关键词   外磁场  磁化强度  有效场理论  Blume-Capel模型  纳米管
英文关键词   external magnetic field, magnetization, effective field theory, Blume-Capel model, nanotube
基金项目   
作者单位E-mail
李晓杰 齐鲁理工学院 15263778001@163.com 
王渺渺 齐鲁理工学院  
唐顺磊 齐鲁理工学院  
董明慧 齐鲁理工学院  
中文摘要
    利用有效场理论研究了纳米管上稀释晶场中混合自旋Blume-Capel模型格点的磁化强度,得到了系统格点的磁化强度与稀释晶场取值概率、外磁场和晶场的关系。结果表明:取值概率、外磁场、交换相互作用和晶场强度等诸多因素相互竞争,使系统表现出比恒定晶场作用的Blume-Capel模型更为丰富的磁学特性;外磁场能够增大系统格点的磁化强度,导致系统的二级相变消失;负晶场的作用使系统发生一级相变;稀释晶场会抑制系统的磁化强度,导致其基态饱和值小于1。
英文摘要
    The magnetization of the mixed spin Blume-Capel model lattice points in the diluted crystal field on nanotubes was studied by using the effective field theory, and the relationship between the magnetization of the system lattice points and the value probability of the diluted crystal field, the external magnetic field and the crystal field was obtained. The results show that the magnetic properties of the system are more abundant than those of the constant crystal field under the competition of many factors such as value probability, external magnetic field, exchange interaction and crystal field strength. The external magnetic field can increase the magnetization intensity of the lattice points of the system, resulting in the disappearance of the second-order phase transition of the system. The negative crystal field makes the system undergo a phase transition. Diluting the crystal field will inhibit the magnetization of the system, resulting in its ground state saturation value less than 1.

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