| 低温下自旋为1/2的一维亚铁磁棱型链系统的元激发谱 |
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| 引用本文： | 成泰民,王蕴鹏,葛崇员,祁烁. 低温下自旋为1/2的一维亚铁磁棱型链系统的元激发谱[J]. 大学物理, 2012, 31(1): 5-8,16 |
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| 作者姓名： | 成泰民 王蕴鹏 葛崇员 祁烁 |
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| 作者单位： | 沈阳化工大学数理系,辽宁沈阳,110142 |
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| 基金项目： | 国家自然科学基金，辽宁省教育厅科学研究项目 |
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| 摘 要： | 利用不变本征算符法计算了低温下自旋为1/2的一维亚铁磁棱型链系统的元激发谱,并讨论了在此系统中不同的特殊情形下的元激发能量及不变本征算符法的优点与不足.
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| 关 键 词： | 不变本征算符法 幺正变换 元激发谱 自旋为1/2的一维亚铁磁棱型链系统 |
One-dimensional ferrimagnetic diamond-like chain at low temperature |
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| CHENG Tai-min , WANG Yun-peng , GE Chong-yuan , QI Shuo. One-dimensional ferrimagnetic diamond-like chain at low temperature[J]. College Physics, 2012, 31(1): 5-8,16 |
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| Authors: | CHENG Tai-min WANG Yun-peng GE Chong-yuan QI Shuo |
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| Affiliation: | (Department of Mathematics and Physics,Shenyang University of Chemical Technology,Shenyang,Liaoning 110142,China) |
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| Abstract: | The elementary excitations spectrum in the system of a spin 1/2 one-dimensional ferrimagnetic diamond-like chain at low temperature is calculated by using the invariant eigen-operator method.The elementary excitations energy under especial qualification in the system and advantages or deficiencies of invariant eigen-operator method are discussed. |
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| Keywords: | invariant eigen-operator method unitary transformation elementary excitations spectrum a spin 1/2 one-dimensional ferrimagnetic diamond-like chain |
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