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On the Optical Properties in Nesting Fermi Liquid |
| Li Meihua;TIAN Shiyang;ZHAO Zhongxian |
| Institute of Physics, Academia Sinica, Beijing 100080 |
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| Cite this article: |
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Li Meihua, TIAN Shiyang, ZHAO Zhongxian 1991 Chin. Phys. Lett. 8 600-602 |
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Abstract One of the most common and prominent optical features of high temperture supeconductors is the quadratic frequence of the loss function, i.e., Im(-1/ε)=βω2, for ħω ≤1eV.We show that the nesting Fermi liquid (NFL) theory can quantitatively account for the low frequency(<0.5eV) behavior, but it can not explain the higher frequency behavior. This suggests that the form of relaxation rate derived from the NFL is inadequate to describe the high frequency behavior in high temperature superconductors
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| Keywords:
78.30.-j
74.65.+n
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Published: 01 November 1991
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