Few-electron semiconductor quantum dots with Gaussian confinement
- Autores
- Gomez, Sergio Santiago; Romero, Rodolfo Horacio
- Año de publicación
- 2009
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We have performed Hartree-Fock calculations of the electronic structure of N ≤ 10 electrons in a quantum dot modeled with a confining Gaussian potential well. We discuss the conditions for the stability of N bound electrons in the system. We show that the most relevant parameter determining the number of bound electrons is V 0 R 2. Such a feature arises from widely valid scaling properties of the confining potential. Gaussian Quantum dots having N = 2, 5, and 8 electrons are particularly stable in agreement with the Hund rule. The shell structure becomes less and less noticeable as the well radius increases.
Fil: Gomez, Sergio Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Modelado e Innovación Tecnológica. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas Naturales y Agrimensura. Instituto de Modelado e Innovación Tecnológica; Argentina
Fil: Romero, Rodolfo Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Modelado e Innovación Tecnológica. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas Naturales y Agrimensura. Instituto de Modelado e Innovación Tecnológica; Argentina - Materia
-
QUANTUM DOT
GAUSSIAN POTENTIAL
ELECTRONIC STRUCTURE - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/24793
Ver los metadatos del registro completo
| id |
CONICETDig_0743a215eb8821e8d09608bbe773f9d2 |
|---|---|
| oai_identifier_str |
oai:ri.conicet.gov.ar:11336/24793 |
| network_acronym_str |
CONICETDig |
| repository_id_str |
3498 |
| network_name_str |
CONICET Digital (CONICET) |
| spelling |
Few-electron semiconductor quantum dots with Gaussian confinementGomez, Sergio SantiagoRomero, Rodolfo HoracioQUANTUM DOTGAUSSIAN POTENTIALELECTRONIC STRUCTUREhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We have performed Hartree-Fock calculations of the electronic structure of N ≤ 10 electrons in a quantum dot modeled with a confining Gaussian potential well. We discuss the conditions for the stability of N bound electrons in the system. We show that the most relevant parameter determining the number of bound electrons is V 0 R 2. Such a feature arises from widely valid scaling properties of the confining potential. Gaussian Quantum dots having N = 2, 5, and 8 electrons are particularly stable in agreement with the Hund rule. The shell structure becomes less and less noticeable as the well radius increases.Fil: Gomez, Sergio Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Modelado e Innovación Tecnológica. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas Naturales y Agrimensura. Instituto de Modelado e Innovación Tecnológica; ArgentinaFil: Romero, Rodolfo Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Modelado e Innovación Tecnológica. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas Naturales y Agrimensura. Instituto de Modelado e Innovación Tecnológica; ArgentinaDe Gruyter2009-03-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/24793Gomez, Sergio Santiago; Romero, Rodolfo Horacio; Few-electron semiconductor quantum dots with Gaussian confinement; De Gruyter; Central European Journal of Physics; 7; 1; 8-3-2009; 12-211895-10821644-3608CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.degruyter.com/view/j/phys.2009.7.issue-1/s11534-008-0132-z/s11534-008-0132-z.xmlinfo:eu-repo/semantics/altIdentifier/doi/10.2478/s11534-008-0132-zinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:03:05Zoai:ri.conicet.gov.ar:11336/24793instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:03:06.224CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
Few-electron semiconductor quantum dots with Gaussian confinement |
| title |
Few-electron semiconductor quantum dots with Gaussian confinement |
| spellingShingle |
Few-electron semiconductor quantum dots with Gaussian confinement Gomez, Sergio Santiago QUANTUM DOT GAUSSIAN POTENTIAL ELECTRONIC STRUCTURE |
| title_short |
Few-electron semiconductor quantum dots with Gaussian confinement |
| title_full |
Few-electron semiconductor quantum dots with Gaussian confinement |
| title_fullStr |
Few-electron semiconductor quantum dots with Gaussian confinement |
| title_full_unstemmed |
Few-electron semiconductor quantum dots with Gaussian confinement |
| title_sort |
Few-electron semiconductor quantum dots with Gaussian confinement |
| dc.creator.none.fl_str_mv |
Gomez, Sergio Santiago Romero, Rodolfo Horacio |
| author |
Gomez, Sergio Santiago |
| author_facet |
Gomez, Sergio Santiago Romero, Rodolfo Horacio |
| author_role |
author |
| author2 |
Romero, Rodolfo Horacio |
| author2_role |
author |
| dc.subject.none.fl_str_mv |
QUANTUM DOT GAUSSIAN POTENTIAL ELECTRONIC STRUCTURE |
| topic |
QUANTUM DOT GAUSSIAN POTENTIAL ELECTRONIC STRUCTURE |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
| dc.description.none.fl_txt_mv |
We have performed Hartree-Fock calculations of the electronic structure of N ≤ 10 electrons in a quantum dot modeled with a confining Gaussian potential well. We discuss the conditions for the stability of N bound electrons in the system. We show that the most relevant parameter determining the number of bound electrons is V 0 R 2. Such a feature arises from widely valid scaling properties of the confining potential. Gaussian Quantum dots having N = 2, 5, and 8 electrons are particularly stable in agreement with the Hund rule. The shell structure becomes less and less noticeable as the well radius increases. Fil: Gomez, Sergio Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Modelado e Innovación Tecnológica. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas Naturales y Agrimensura. Instituto de Modelado e Innovación Tecnológica; Argentina Fil: Romero, Rodolfo Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Modelado e Innovación Tecnológica. Universidad Nacional del Nordeste. Facultad de Ciencias Exactas Naturales y Agrimensura. Instituto de Modelado e Innovación Tecnológica; Argentina |
| description |
We have performed Hartree-Fock calculations of the electronic structure of N ≤ 10 electrons in a quantum dot modeled with a confining Gaussian potential well. We discuss the conditions for the stability of N bound electrons in the system. We show that the most relevant parameter determining the number of bound electrons is V 0 R 2. Such a feature arises from widely valid scaling properties of the confining potential. Gaussian Quantum dots having N = 2, 5, and 8 electrons are particularly stable in agreement with the Hund rule. The shell structure becomes less and less noticeable as the well radius increases. |
| publishDate |
2009 |
| dc.date.none.fl_str_mv |
2009-03-08 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/24793 Gomez, Sergio Santiago; Romero, Rodolfo Horacio; Few-electron semiconductor quantum dots with Gaussian confinement; De Gruyter; Central European Journal of Physics; 7; 1; 8-3-2009; 12-21 1895-1082 1644-3608 CONICET Digital CONICET |
| url |
http://hdl.handle.net/11336/24793 |
| identifier_str_mv |
Gomez, Sergio Santiago; Romero, Rodolfo Horacio; Few-electron semiconductor quantum dots with Gaussian confinement; De Gruyter; Central European Journal of Physics; 7; 1; 8-3-2009; 12-21 1895-1082 1644-3608 CONICET Digital CONICET |
| dc.language.none.fl_str_mv |
eng |
| language |
eng |
| dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://www.degruyter.com/view/j/phys.2009.7.issue-1/s11534-008-0132-z/s11534-008-0132-z.xml info:eu-repo/semantics/altIdentifier/doi/10.2478/s11534-008-0132-z |
| dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
| eu_rights_str_mv |
openAccess |
| rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
| dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
| dc.publisher.none.fl_str_mv |
De Gruyter |
| publisher.none.fl_str_mv |
De Gruyter |
| dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
| reponame_str |
CONICET Digital (CONICET) |
| collection |
CONICET Digital (CONICET) |
| instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
| repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
| repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
| _version_ |
1846781255409991680 |
| score |
12.982451 |