| Fano Resonance in Landau Fermi and Luttinger Liquids |
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| 作者姓名： | 韩跃武 刘玉良 蔡绍洪 |
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| 作者单位： | [1]Laboratory for Photoelectric Technology and Application, Department of Physics, Guizhou University Guiyang 550025 [2]Department of Physics, Renmin University of China, Beijing 100872 [3]Center of Experiment, G uizhou Radio and TV University, G uiyang 550004 [4]Guizhou College of Finance and Economics, Guiyang 550004 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 90403015 and10647005,the Science and Technology Foundation of Guizhou Province under Grant No 20043017, and the Natural Science Foundation of Education Department of Guizhou Province under Grant No 2006216. |
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| 摘 要： | With a two-channel model, we study the influence of temperature, external voltage and magnetic flux on the line shape of the Fano resonance, and show that in the Luttinger liquid case, the background transmittance and the asymmetric parameter depend strongly on the temperature and external voltage, while for the Landau Fermi liquid case they are nearly independent of these parameters in the low energy region. Moreover, we demonstrate that the asymmetric parameter changes periodically with an external magnetic flux, which is consistent with the recent experimental data.
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| 关 键 词： | Fano共振 费尔米 液体 透光率 |
| 收稿时间： | 2006-11-12 |
| 修稿时间： | 2006-11-12 |
Fano Resonance in Landau Fermi and Luttinger Liquids |
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| HAN Yue-Wu,LIU Yu-Liang,CAI Shao-Hong,.Fano Resonance in Landau Fermi and Luttinger Liquids[J].Chinese Physics Letters,2007,24(4):1066-1069. |
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| Authors: | HAN Yue-Wu LIU Yu-Liang CAI Shao-Hong |
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| Institution: | 1Laboratory for Photoelectric Technology and Application, Department of Physics, Guizhou University, Guiyang 550025 ; 2Department of Physics, Renmin University of China, Beijing 100872; 3 Center of Experiment, G uizhou Radio and TV University, G uiyang 550004 ; 4Guizhou College of Finance and Economics, Guiyang 550004 |
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| Abstract: | With a two-channel model, we study the influence of temperature, external voltage and magnetic flux on the line shape of the Fano resonance, and show that in the Luttinger liquid case, the background transmittance and the asymmetric parameter depend strongly on the temperature and external voltage, while for the Landau Fermi liquid case they are nearly independent of these parameters in the low energy region. Moreover, we demonstrate that the asymmetric parameter changes periodically with an external magnetic flux, which is consistent with the recent experimental data. |
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| Keywords: | 73 63 Kv 71 27 +a 73 23 Hk 72 15 Qm |
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