Excitons and charged excitons in semiconductor quantum wells
A variational calculation of the ground-state energy of neutral excitons and of positively and negatively charged excitons (trions) confined in a single-quantum well is presented. We study the dependence of the correlation energy and of the binding energy on the well width and on the hole mass. The...
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| Veröffentlicht in: | Physical review. B, Condensed matter Condensed matter, 2000-05, Vol.61 (20), p.13873-13881 |
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| container_title | Physical review. B, Condensed matter |
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| creator | Riva, C. Peeters, F. M. Varga, K. |
| description | A variational calculation of the ground-state energy of neutral excitons and of positively and negatively charged excitons (trions) confined in a single-quantum well is presented. We study the dependence of the correlation energy and of the binding energy on the well width and on the hole mass. The conditional probability distribution for positively and negatively charged excitons is obtained, providing information on the correlation and the charge distribution in the system. A comparison is made with available experimental data on trion binding energies in GaAs-, ZnSe-, and CdTe-based quantum well structures, which indicates that trions become localized with decreasing quantum well width. (c) 2000 The American Physical Society. |
| doi_str_mv | 10.1103/PhysRevB.61.13873 |
| format | Article |
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(c) 2000 The American Physical Society.</description><subject>BINDING ENERGY</subject><subject>CADMIUM TELLURIDES</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>ELECTRONIC STRUCTURE</subject><subject>EXCITONS</subject><subject>GALLIUM ARSENIDES</subject><subject>MATERIALS SCIENCE</subject><subject>SEMICONDUCTOR JUNCTIONS</subject><subject>THEORETICAL DATA</subject><subject>ZINC SELENIDES</subject><issn>0163-1829</issn><issn>1098-0121</issn><issn>1095-3795</issn><issn>1550-235X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNo1kEFLxDAUhIMoWFd_gLeC59a8pEkT8KLLrgoLiug5pK-vttJttemq---trjuXgWEYho-xc-ApAJeXj_U2PNHnTaohBWlyecAi4FYlMrfqkEUctEzACHvMTkJ445OEthG7WnxjM_ZdiH1Xxlj74ZXKmPZh08WB1g32XbnBsR_ij43vxs06_qK2DafsqPJtoLN_n7GX5eJ5fpesHm7v59erBKXMxwTJIkeTeVUZX3GtUQmreKHICpFRVpWgdKWF8JlHYwsSRc4RtNAGbQFGztjFbrcPY-PC9I2wnj51hKMTXIBWWk4t2LVw6EMYqHLvQ7P2w9YBd7-Q3B6S0-D-IMkfmm5cPg</recordid><startdate>20000515</startdate><enddate>20000515</enddate><creator>Riva, C.</creator><creator>Peeters, F. 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M.</creatorcontrib><creatorcontrib>Varga, K.</creatorcontrib><creatorcontrib>Argonne National Laboratory (ANL), Argonne, IL</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Physical review. B, Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Riva, C.</au><au>Peeters, F. M.</au><au>Varga, K.</au><aucorp>Argonne National Laboratory (ANL), Argonne, IL</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Excitons and charged excitons in semiconductor quantum wells</atitle><jtitle>Physical review. B, Condensed matter</jtitle><date>2000-05-15</date><risdate>2000</risdate><volume>61</volume><issue>20</issue><spage>13873</spage><epage>13881</epage><pages>13873-13881</pages><issn>0163-1829</issn><issn>1098-0121</issn><eissn>1095-3795</eissn><eissn>1550-235X</eissn><abstract>A variational calculation of the ground-state energy of neutral excitons and of positively and negatively charged excitons (trions) confined in a single-quantum well is presented. We study the dependence of the correlation energy and of the binding energy on the well width and on the hole mass. The conditional probability distribution for positively and negatively charged excitons is obtained, providing information on the correlation and the charge distribution in the system. A comparison is made with available experimental data on trion binding energies in GaAs-, ZnSe-, and CdTe-based quantum well structures, which indicates that trions become localized with decreasing quantum well width. (c) 2000 The American Physical Society.</abstract><cop>United States</cop><doi>10.1103/PhysRevB.61.13873</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0163-1829 |
| ispartof | Physical review. B, Condensed matter, 2000-05, Vol.61 (20), p.13873-13881 |
| issn | 0163-1829 1098-0121 1095-3795 1550-235X |
| language | eng |
| recordid | cdi_osti_scitechconnect_20216563 |
| source | APS: American Physical Society E-Journals (Physics) |
| subjects | BINDING ENERGY CADMIUM TELLURIDES CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ELECTRONIC STRUCTURE EXCITONS GALLIUM ARSENIDES MATERIALS SCIENCE SEMICONDUCTOR JUNCTIONS THEORETICAL DATA ZINC SELENIDES |
| title | Excitons and charged excitons in semiconductor quantum wells |
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