Articolul precedent |
Articolul urmator |
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SM ISO690:2012 MOSKALENKO, Sveatoslav, PODLESNY, Igor, ZUBAC, Ion, NOVIKOV, Boris. Optical selection rules for the quantum transitions from the ground state of the crystal to the superposition states of the two-dimensional magnetoexcitons. In: Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies, 20-23 august 2020, Constanța. Constanța, România : Constanta Maritime University, 2020, Ediția a X-a, pp. 59-60. |
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Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies Ediția a X-a, 2020 |
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Conferința "Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies" Constanța, Romania, 20-23 august 2020 | ||||||
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Pag. 59-60 | ||||||
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Rezumat | ||||||
The properties of the two-dimensional (2D) magnetoexcitons in the GaAs-type quantum wells subjected to the action of a strong perpendicular magnetic field with the binding energy determined by the direct Coulomb electron-hole (e-h) interaction and with the summary e-h spin projections F 1 are discussed. Under the influence of the Coulomb exchange electron-hole interaction the new superposition states formed by the magnetoexcitons appear. The symmetric (asymmetric) state is allowed in the case of linear polarization with positive (negative) parity and is forbidden in the case of linear polarization with negative (positive) parity. These two symmetric and asymmetric superposition states revealed the quantum interference effects. The obtained optical results open the possibility to investigate the thermodynamic properties of the 2D Bose gas with Dirac cone dispersion law. |
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Cuvinte-cheie Semiconductors, exciton, magnetic field, interaction |
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