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引用本文格式: Li Xiao-Jie,Li Na,Wang Xue-Wen,Tang Shun-Lei. Effects of strong exchange interactions on the thermodynamic properties of spin-1 nanotube [J]. J. At. Mol. Phys., 2021, 38: 012003 (in Chinese) [李晓杰,李娜,王学文,唐顺磊. 最近邻强交换相互作用对spin-1纳米管热力学性质的影响 [J]. 原子与分子物理学报, 2021, 38: 012003]
 
最近邻强交换相互作用对spin-1纳米管热力学性质的影响
Effects of strong exchange interactions on the thermodynamic properties of spin-1 nanotube
摘要点击 91  全文点击 13  投稿时间:2019-07-01  修订日期:2019-07-26
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DOI编号   
中文关键词   最近邻强交换相互作用  有效场理论  Blume-Capel模型  纳米管
英文关键词   nearest neighbor strong exchange interaction, 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 
李娜 齐鲁理工学院  
王学文 齐鲁理工学院  
唐顺磊 齐鲁理工学院  
中文摘要
    利用有效场理论研究了纳米管上最近邻强交换相互作用下Blume-Capel模型的内能、比热和自由能,得到了系统的内能、比热和自由能与最近邻强交换相互作用和晶场的关系。结果表明:最近邻强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 = = =1时的BC模型更为丰富的热力学性质;系统内能随温度的变化曲线表现出不连续性;比热随温度的变化出现奇异性;一定条件下,基态时的自由能会发生突变。
英文摘要
    The effective field theory is used to study the internal energy, specific heat and free energy of the Blume-Capel model in the nearest-neighbor strong exchange interaction on nanotubes, and the relationship between the internal energy, specific heat and free energy of the system and the strong exchange interaction and crystal field in the nearest-neighbor is obtained. The results show that the thermodynamic properties of the system are more abundant than those of the BC model at = = =1 due to the strong exchange interaction of the nearest neighbor and the strength of the crystal field. The curve of energy change with temperature shows discontinuity. The specific heat curve presents singularities. Under certain conditions, the free energy in the ground state will mutate.

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