Theory of coherent oscillation of phonon-polaritons

被引：0
|
作者：
Kim, CS [1 ]
Satanini, AM [1 ]
Sanders, GD [1 ]
Stanton, CJ [1 ]
机构：
[1] Chonnam Natl Univ, Dept Phys, Kwangju 500757, South Korea
来源：
PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, PTS I AND II | 2001年 / 87卷
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D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We formulate a theory to describe the coherent dynamics of phonon-polaritons in nonlinear ionic crystals. By quantizing the Born-Huang theory of the coupled phonon-photon system we first construct our model Hamiltonian. Then, applying a nonequilibrium statistical mechanics for the open quantum system, we derive the macroscopic equations for the transverse, coherent amplitudes. The resulting nonlinear equations with damping axe solved for the coupled harmonic oscillators numerically. Our theory predicts the nontrivial, nonlinear beating between two coherent polariton modes with the characteristic decay.
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页码：210 / 211
页数：2
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