Stochastic processes applied to classical physics and quantum mechanics
The dynamics in physical systems when subject to environmental fluctuations is usually described by ensemble averages, providing information on the probability of the described system to reside in a possible state. Classical description differs from quantum mechanical, since the latter includes stat...
- Autores:
-
Caycedo Soler, Felipe
- Tipo de recurso:
- Doctoral thesis
- Fecha de publicación:
- 2010
- Institución:
- Universidad de los Andes
- Repositorio:
- Séneca: repositorio Uniandes
- Idioma:
- spa
- OAI Identifier:
- oai:repositorio.uniandes.edu.co:1992/7762
- Acceso en línea:
- http://hdl.handle.net/1992/7762
- Palabra clave:
- Proteobacteria
Excitones - Investigaciones
Fotosíntesis - Investigaciones
Física
- Rights
- openAccess
- License
- http://creativecommons.org/licenses/by-nc-sa/4.0/
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dc.title.es_CO.fl_str_mv |
Stochastic processes applied to classical physics and quantum mechanics |
title |
Stochastic processes applied to classical physics and quantum mechanics |
spellingShingle |
Stochastic processes applied to classical physics and quantum mechanics Proteobacteria Excitones - Investigaciones Fotosíntesis - Investigaciones Física |
title_short |
Stochastic processes applied to classical physics and quantum mechanics |
title_full |
Stochastic processes applied to classical physics and quantum mechanics |
title_fullStr |
Stochastic processes applied to classical physics and quantum mechanics |
title_full_unstemmed |
Stochastic processes applied to classical physics and quantum mechanics |
title_sort |
Stochastic processes applied to classical physics and quantum mechanics |
dc.creator.fl_str_mv |
Caycedo Soler, Felipe |
dc.contributor.advisor.none.fl_str_mv |
Rodríguez Dueñas, Ferney Javier |
dc.contributor.author.none.fl_str_mv |
Caycedo Soler, Felipe |
dc.subject.keyword.es_CO.fl_str_mv |
Proteobacteria Excitones - Investigaciones Fotosíntesis - Investigaciones |
topic |
Proteobacteria Excitones - Investigaciones Fotosíntesis - Investigaciones Física |
dc.subject.themes.none.fl_str_mv |
Física |
description |
The dynamics in physical systems when subject to environmental fluctuations is usually described by ensemble averages, providing information on the probability of the described system to reside in a possible state. Classical description differs from quantum mechanical, since the latter includes state superpositions. However, the progression among both remains a subject of current research, and the investigation beyond averages, concerning the distributions upon which they are calculated, can unveil the features involved in quantum-to-classical descriptions. Without loosing sight on the optics-matter interaction involved in photosynthetic membranes, the quantum realm is studied with use of stochastic realizations for the description of photon time traces from fluorescent quantum multilevel systems, consistent with continous monitoring of the quantized surrounding electromagnetic field. We study non-renewal statistics, happening when a fluorescent system maintains information of its state after photon detection occurs. When a process is renewal, the distribution of consecutive inter-photon times factors out, and allows quantification of memory after photon detection, relying in the moments of inter-photon distributions. We study the feasibility to experimental verify this measure. Finally, physical realizations show that quantum systems are vulnerable to ensemble averaging. In particular, it is shown that entanglement is modeled on equal footing in very different systems at the level of a density operator due to the averaging effect, and that at such resolution, a prediction of quantum correlations is in general, misleading. Continuous environmental observation is shown to lift this ambiguity, while opens the possibility to witness entanglement on situations where the ensemble averaged state predict none. It is shown that entanglement can be experimentally verified there when none is expected from mixed state available measure, or enhanced by ?decoherent? mechanisms and witnessed through observables when pure dephasing is involved.The quantum-classical middle realm investigated in photosynthesis will provide insight on this progression and on the consequences of quantum properties at macroscopic scale |
publishDate |
2010 |
dc.date.issued.none.fl_str_mv |
2010 |
dc.date.accessioned.none.fl_str_mv |
2018-09-27T16:37:57Z |
dc.date.available.none.fl_str_mv |
2018-09-27T16:37:57Z |
dc.type.spa.fl_str_mv |
Trabajo de grado - Doctorado |
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http://purl.org/coar/version/c_970fb48d4fbd8a85 |
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info:eu-repo/semantics/doctoralThesis |
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http://purl.org/coar/resource_type/c_db06 |
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Text |
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http://purl.org/redcol/resource_type/TD |
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http://purl.org/coar/resource_type/c_db06 |
dc.identifier.uri.none.fl_str_mv |
http://hdl.handle.net/1992/7762 |
dc.identifier.doi.none.fl_str_mv |
10.57784/1992/7762 |
dc.identifier.pdf.none.fl_str_mv |
u429262.pdf |
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instname:Universidad de los Andes |
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reponame:Repositorio Institucional Séneca |
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repourl:https://repositorio.uniandes.edu.co/ |
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http://hdl.handle.net/1992/7762 |
identifier_str_mv |
10.57784/1992/7762 u429262.pdf instname:Universidad de los Andes reponame:Repositorio Institucional Séneca repourl:https://repositorio.uniandes.edu.co/ |
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spa |
language |
spa |
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http://creativecommons.org/licenses/by-nc-sa/4.0/ |
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info:eu-repo/semantics/openAccess |
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eu_rights_str_mv |
openAccess |
dc.format.extent.es_CO.fl_str_mv |
190 hojas |
dc.format.mimetype.es_CO.fl_str_mv |
application/pdf |
dc.publisher.es_CO.fl_str_mv |
Uniandes |
dc.publisher.program.es_CO.fl_str_mv |
Doctorado en Ciencias - Física |
dc.publisher.faculty.es_CO.fl_str_mv |
Facultad de Ciencias |
dc.publisher.department.es_CO.fl_str_mv |
Departamento de Física |
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Al consultar y hacer uso de este recurso, está aceptando las condiciones de uso establecidas por los autores.http://creativecommons.org/licenses/by-nc-sa/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Rodríguez Dueñas, Ferney Javiervirtual::10218-1Caycedo Soler, Felipe5aba6d79-098e-4b05-bba4-8fdaa1961db85002018-09-27T16:37:57Z2018-09-27T16:37:57Z2010http://hdl.handle.net/1992/776210.57784/1992/7762u429262.pdfinstname:Universidad de los Andesreponame:Repositorio Institucional Sénecarepourl:https://repositorio.uniandes.edu.co/The dynamics in physical systems when subject to environmental fluctuations is usually described by ensemble averages, providing information on the probability of the described system to reside in a possible state. Classical description differs from quantum mechanical, since the latter includes state superpositions. However, the progression among both remains a subject of current research, and the investigation beyond averages, concerning the distributions upon which they are calculated, can unveil the features involved in quantum-to-classical descriptions. Without loosing sight on the optics-matter interaction involved in photosynthetic membranes, the quantum realm is studied with use of stochastic realizations for the description of photon time traces from fluorescent quantum multilevel systems, consistent with continous monitoring of the quantized surrounding electromagnetic field. We study non-renewal statistics, happening when a fluorescent system maintains information of its state after photon detection occurs. When a process is renewal, the distribution of consecutive inter-photon times factors out, and allows quantification of memory after photon detection, relying in the moments of inter-photon distributions. We study the feasibility to experimental verify this measure. Finally, physical realizations show that quantum systems are vulnerable to ensemble averaging. In particular, it is shown that entanglement is modeled on equal footing in very different systems at the level of a density operator due to the averaging effect, and that at such resolution, a prediction of quantum correlations is in general, misleading. Continuous environmental observation is shown to lift this ambiguity, while opens the possibility to witness entanglement on situations where the ensemble averaged state predict none. It is shown that entanglement can be experimentally verified there when none is expected from mixed state available measure, or enhanced by ?decoherent? mechanisms and witnessed through observables when pure dephasing is involved.The quantum-classical middle realm investigated in photosynthesis will provide insight on this progression and on the consequences of quantum properties at macroscopic scaleDoctor en Ciencias - FísicaDoctorado190 hojasapplication/pdfspaUniandesDoctorado en Ciencias - FísicaFacultad de CienciasDepartamento de Físicainstname:Universidad de los Andesreponame:Repositorio Institucional SénecaStochastic processes applied to classical physics and quantum mechanicsTrabajo de grado - Doctoradoinfo:eu-repo/semantics/doctoralThesishttp://purl.org/coar/resource_type/c_db06http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/TDProteobacteriaExcitones - InvestigacionesFotosíntesis - InvestigacionesFísicaPublication0000-0001-5383-4218virtual::10218-1https://scienti.minciencias.gov.co/cvlac/visualizador/generarCurriculoCv.do?cod_rh=0000077216virtual::10218-1e30cee58-f835-4d1b-97c9-3146b481c8b1virtual::10218-1e30cee58-f835-4d1b-97c9-3146b481c8b1virtual::10218-1TEXTu429262.pdf.txtu429262.pdf.txtExtracted texttext/plain365624https://repositorio.uniandes.edu.co/bitstreams/d745dac5-a6e1-433c-a9ed-d1499a299e08/download9e041c36749b011f97ec658f7a902b84MD54ORIGINALu429262.pdfapplication/pdf12348250https://repositorio.uniandes.edu.co/bitstreams/f37d1897-33cc-4120-9100-4a58f1566839/downloadccbebf1227e3479061d1190e10c44542MD51THUMBNAILu429262.pdf.jpgu429262.pdf.jpgIM Thumbnailimage/jpeg4937https://repositorio.uniandes.edu.co/bitstreams/9b6ceb86-ecec-4128-a9a8-5f09c2b1ee4f/download0192136f468312f87254ba6f228c05acMD551992/7762oai:repositorio.uniandes.edu.co:1992/77622024-08-26 15:24:00.586http://creativecommons.org/licenses/by-nc-sa/4.0/open.accesshttps://repositorio.uniandes.edu.coRepositorio institucional Sénecaadminrepositorio@uniandes.edu.co |