Abstract
This paper is a theoretical study of the properties of the low-temperature phase of a Peierls system when nonequilibrium electron-hole pairs are excited in the phase. A microscopic theory is developed to show that at low temperatures a spatially nonuniform periodic structure with a modulated band gap forms in the thermodynamically nonequilibrium system considered. The critical temperature of formation of such a superstructure, the critical electron-hole pair concentration, the spatial period, and the percentage modulation are calculated.
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Zh. Éksp. Teor. Fiz. 115, 1297–1314 (April 1999)
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Semenov, A.L. Photoinduced superstructure in the low-temperature phase of a Peierls system. J. Exp. Theor. Phys. 88, 716–725 (1999). https://doi.org/10.1134/1.558848
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DOI: https://doi.org/10.1134/1.558848