| 顺磁物质CeF3磁光Faraday效应及其温度特性的量子理论 |
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| 引用本文： | 张惠奇,蒋正生,徐游,段明谦,杨桂林.顺磁物质CeF3磁光Faraday效应及其温度特性的量子理论[J].物理学报,1993,42(7):1193-1200. |
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| 作者姓名： | 张惠奇 蒋正生 徐游 段明谦 杨桂林 |
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| 作者单位： | 南京大学物理系,南京,210008 |
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| 基金项目： | 国家自然科学基金;中国科学院物理研究所磁学开放研究实验室基金 |
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| 摘 要： | 本文计算了顺磁物质CeF3因Ce3+离子从基态能级4f至5d的电偶极跃迁产生的Fara-day旋转。讨论晶场对Ce+3离子4f和5d能级的影响,通过唯象地引入一个与磁化强度M成正比的“附加磁场”Hm=λM,由此获得4f离子在外加磁场和“附加磁场”的共同作用下的一级Zeeman分裂。经劈裂后的两个子能级上各自产生左、右圆偏振光激发的电偶极跃迁,导致磁光Faraday效应。对于波长为0.6328μm的入射光,在60—300
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| 收稿时间： | 1990-03-13 |
| 修稿时间： | 2/4/1991 12:00:00 AM |
QUANTUM THEORY FOR FARADAY EFFECT AND IT'S TEMPERATURE DEPENDCE IN PARAMAGNETIC CeF3 CRYTALS |
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| ZHANG HUI-QI,JIANG ZHENG-SHENG,XU YOU,DUAN MING-QIAN and YANG GUI-LIN.QUANTUM THEORY FOR FARADAY EFFECT AND IT''S TEMPERATURE DEPENDCE IN PARAMAGNETIC CeF3 CRYTALS[J].Acta Physica Sinica,1993,42(7):1193-1200. |
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| Authors: | ZHANG HUI-QI JIANG ZHENG-SHENG XU YOU DUAN MING-QIAN and YANG GUI-LIN |
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| Abstract: | The Faraday rotation caused by electronic transitions between the 4f and 5d states of Ce3+ ions in paramagnetic CeF3 crystals is calculated. The crystal field is an important perturbation on the energy levels. An external magnetic field, together with an additive magnetic field introduced phenomenologically in our paper, would spilt every 4f state into two sublevels. The dipole transitions between these sublevels, and 5d states induce the Faradap effect.The Verdet constant at 0.6328 μm in the temperature range of 60-300 K is obtained. It is shown that our calculation is in good agreement with experiment. |
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