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A disscussion is given of the optical conductivity of decagonal quasicrystals. With group theory it is proved that decagonal quasicrystals may have different optical conductivity in the periodic and quasiperiodic directions. The formula is derived for the optical conductivity. The optical conductivity of Al65Co17Cu18 is calculated using this formula. The calculated results basically agree with the experimental data.
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Keywords:
- quasicrystal /
- optical conductivity
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