| Original Articles |
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POLARITON IN DISORDERED MATERIALS |
| CHEN Hong;FANG Junxin;WU Xiang* |
| Department of Applied Physics, Jiaotong University, Shanghai
*Pohl - Institute of Solid State Physics, Tongji University, Shanghai |
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| Cite this article: |
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CHEN Hong, FANG Junxin, WU Xiang 1986 Chin. Phys. Lett. 3 117-120 |
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Abstract The properties of polaritons in a disordered material are studied under the Coherent Potential Approximation. The main results are as follows: (i) The concept of effective wave vector can be used to describe the polariton in a disordered material. (ii) The polariton dispersion in a disordered material is similar to that in a crystalline material. (iii) The polariton lifetime due to the disorder increases as its energy departs from the resonant region.
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Published: 01 March 1986
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