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Ordered Dissipative Structures in Exciton Systems in Semiconductor Quantum Wells
Репозиторій DSpace/Manakin
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- Відділення математики
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- Symmetry, Integrability and Geometry: Methods and Applications (SIGMA)
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- Symmetry, Integrability and Geometry: Methods and Applications, 2006, том 2
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Ordered Dissipative Structures in Exciton Systems in Semiconductor Quantum Wells
Інший ID:
2000 Mathematics Subject Classification: 82C22; 82D37
Посилання:
Ordered Dissipative Structures in Exciton Systems in Semiconductor Quantum Wells / A.A. Chernyuk, V.I. Sugakov // Symmetry, Integrability and Geometry: Methods and Applications. — 2006. — Т. 2. — Бібліогр.: 14 назв. — англ.
Підтримка:
The work was supported by INTAS grant No.03-51-5266 and by the Ukrainian Ministry of Education and Science (project No.02.07/147). The authors thank to Dr. I.Yu. Goliney for useful discussions.
Дата:
2006
Переглядів:
508
Завантажень:
265
Анотація:
A phenomenological theory of exciton condensation in conditions of inhomogeneous excitation is proposed. The theory is applied to the study of the development of an exciton luminescence ring and the ring fragmentation at macroscopical distances from the central excitation spot in coupled quantum wells. The transition between the fragmented and the continuous ring is considered. With assumption of a defect in the structure, a possibility of a localized island of the condensed phase in a fixed position is shown. Exciton density distribution is also analyzed in the case of two spatially separated spots of the laser excitation.
