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Fano Resonance in Landau Fermi and Luttinger Liquids |
| HAN Yue-Wu1,3;LIU Yu-Liang2;CAI Shao-Hong1,4 |
| 1Laboratory for Photoelectric Technology and Application, Department of Physics, Guizhou University, Guiyang 5500252Department of Physics, Renmin University of China, Beijing 1008723 Center of Experiment, Guizhou Radio and TV University, Guiyang 5500044Guizhou College of Finance and Economics, Guiyang 550004 |
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| Cite this article: |
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HAN Yue-Wu, LIU Yu-Liang, CAI Shao-Hong 2007 Chin. Phys. Lett. 24 1066-1069 |
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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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Received: 12 November 2006
Published: 26 March 2007
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| PACS: |
73.63.Kv
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(Quantum dots)
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71.27.+a
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(Strongly correlated electron systems; heavy fermions)
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73.23.Hk
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(Coulomb blockade; single-electron tunneling)
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72.15.Qm
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(Scattering mechanisms and Kondo effect)
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