Calculation of Biexiton Binding Energy in a Cylindrical Quantum Dot with a Mors Potential
This article considers biexciton states in a cylindrical quantum dot in the strong dimensional quantization regime and shows the stability of the biexciton. A cylindrical quantum dot is limited in the axial direction by the parabolic potential, but in the radial direction – by the Morse potential. T...
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| Veröffentlicht in: | Journal of contemporary physics 2021-07, Vol.56 (3), p.214-220 |
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| container_title | Journal of contemporary physics |
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| creator | Kharatyan, G. Ts Gevorkyan, G. S. Mantashyan, P. A. |
| description | This article considers biexciton states in a cylindrical quantum dot in the strong dimensional quantization regime and shows the stability of the biexciton. A cylindrical quantum dot is limited in the axial direction by the parabolic potential, but in the radial direction – by the Morse potential. The dependences of the energy of the ground state of the biexciton on the geometric parameters of the quantum dot are calculated using the Heisenberg uncertainty principle. The dependence of the binding energy of the biexciton on the frequency of the parabolic potential is plotted. The lifetime of an exciton and biexciton in a cylindrical quantum dot is estimated for various parameters of the quantum dot. |
| doi_str_mv | 10.3103/S1068337221030142 |
| format | Article |
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The lifetime of an exciton and biexciton in a cylindrical quantum dot is estimated for various parameters of the quantum dot.</description><identifier>ISSN: 1068-3372</identifier><identifier>EISSN: 1934-9378</identifier><identifier>DOI: 10.3103/S1068337221030142</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Binding energy ; Dimensional stability ; Electrons ; Excitons ; Mathematical analysis ; Morse potential ; Parameter estimation ; Particle and Nuclear Physics ; Physics ; Physics and Astronomy ; Quantum dots ; Uncertainty principles</subject><ispartof>Journal of contemporary physics, 2021-07, Vol.56 (3), p.214-220</ispartof><rights>Allerton Press, Inc. 2021. ISSN 1068-3372, Journal of Contemporary Physics (Armenian Academy of Sciences), 2021, Vol. 56, No. 3, pp. 214–220. © Allerton Press, Inc., 2021. 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A.</creatorcontrib><title>Calculation of Biexiton Binding Energy in a Cylindrical Quantum Dot with a Mors Potential</title><title>Journal of contemporary physics</title><addtitle>J. Contemp. Phys</addtitle><description>This article considers biexciton states in a cylindrical quantum dot in the strong dimensional quantization regime and shows the stability of the biexciton. A cylindrical quantum dot is limited in the axial direction by the parabolic potential, but in the radial direction – by the Morse potential. The dependences of the energy of the ground state of the biexciton on the geometric parameters of the quantum dot are calculated using the Heisenberg uncertainty principle. The dependence of the binding energy of the biexciton on the frequency of the parabolic potential is plotted. The lifetime of an exciton and biexciton in a cylindrical quantum dot is estimated for various parameters of the quantum dot.</description><subject>Binding energy</subject><subject>Dimensional stability</subject><subject>Electrons</subject><subject>Excitons</subject><subject>Mathematical analysis</subject><subject>Morse potential</subject><subject>Parameter estimation</subject><subject>Particle and Nuclear Physics</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum dots</subject><subject>Uncertainty principles</subject><issn>1068-3372</issn><issn>1934-9378</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1UMtKxDAUDaLgOPoB7gKuq3k0Tbp06viAERV14aqkbTJm6CRjkqLz92ao4ELkLu7jPC4cAE4xOqcY0YtnjApBKSckbQjnZA9McEnzrKRc7Kc5wdkOPwRHIawQYiyhE_BWyb4dehmNs9BpODPqy8Q0z4ztjF3CuVV-uYXGQgmrbZ-u3rSyh0-DtHFYwysX4aeJ7wm-dz7ARxeVjUb2x-BAyz6ok58-Ba_X85fqNls83NxVl4usJYWIGcOMCC6U4qjQvNBEYt0wKXiH20ZQ0WCNuWZKdg0pcJeXVOVIlkWXk5YWoqNTcDb6brz7GFSI9coN3qaXNWGc5oyWqaYAj6zWuxC80vXGm7X02xqjepdg_SfBpCGjJiSuXSr_6_y_6BuAWXGG</recordid><startdate>20210701</startdate><enddate>20210701</enddate><creator>Kharatyan, G. Ts</creator><creator>Gevorkyan, G. S.</creator><creator>Mantashyan, P. A.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20210701</creationdate><title>Calculation of Biexiton Binding Energy in a Cylindrical Quantum Dot with a Mors Potential</title><author>Kharatyan, G. Ts ; Gevorkyan, G. S. ; Mantashyan, P. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c268t-5152878ee706f76f2a1fb5a87d1cb838b1f17f5eadb261d493e40a96d42c368d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Binding energy</topic><topic>Dimensional stability</topic><topic>Electrons</topic><topic>Excitons</topic><topic>Mathematical analysis</topic><topic>Morse potential</topic><topic>Parameter estimation</topic><topic>Particle and Nuclear Physics</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum dots</topic><topic>Uncertainty principles</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kharatyan, G. Ts</creatorcontrib><creatorcontrib>Gevorkyan, G. S.</creatorcontrib><creatorcontrib>Mantashyan, P. 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A cylindrical quantum dot is limited in the axial direction by the parabolic potential, but in the radial direction – by the Morse potential. The dependences of the energy of the ground state of the biexciton on the geometric parameters of the quantum dot are calculated using the Heisenberg uncertainty principle. The dependence of the binding energy of the biexciton on the frequency of the parabolic potential is plotted. The lifetime of an exciton and biexciton in a cylindrical quantum dot is estimated for various parameters of the quantum dot.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.3103/S1068337221030142</doi><tpages>7</tpages></addata></record> |
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| subjects | Binding energy Dimensional stability Electrons Excitons Mathematical analysis Morse potential Parameter estimation Particle and Nuclear Physics Physics Physics and Astronomy Quantum dots Uncertainty principles |
| title | Calculation of Biexiton Binding Energy in a Cylindrical Quantum Dot with a Mors Potential |
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