{"id":{"repo_id":"liege","oai_identifier":"oai:orbi.ulg.ac.be:2268/99113"},"canonical_url":"https://search.dev.ndltd.org/etd/liege/oai:orbi.ulg.ac.be:2268/99113","repository":{"repo_id":"liege","name":"Université de Liège","base_url":"https://orbi.uliege.be/oai/request"},"display":{"title":"Contribution to Entanglement Theory, Applications in Atomic Systems and Cavity QED","abstract":"We introduce in this thesis two entanglement detection criteria, the Schrödinger-Robertson partial transpose inequality, which can be implemented experimentally in a variety of systems and generalized N-qubit concurrences, which can be used to evaluate multipartite entanglement in N-qubit mixed states. Then, we investigate ways to experimentally produce entanglement by giving a theoretical model which successfully describes the dipole blockade effect. We study its possible applications in systems of two and three two-level atoms as well as its relations with the EITeffect in systems of two three-level atoms. Finally, we show the possibility of two-photon processes in a system of two two-level atoms embedded in a cavity by using perturbation theory and a full master equation approach. We unveil interesting features of blockade and transparency in such cavity QED systems.","abstract_html":"We introduce in this thesis two entanglement detection criteria, the Schrödinger-Robertson partial transpose inequality, which can be implemented experimentally in a variety of systems and generalized N-qubit concurrences, which can be used to evaluate multipartite entanglement in N-qubit mixed states. Then, we investigate ways to experimentally produce entanglement by giving a theoretical model which successfully describes the dipole blockade effect. We study its possible applications in systems of two and three two-level atoms as well as its relations with the EITeffect in systems of two three-level atoms. Finally, we show the possibility of two-photon processes in a system of two two-level atoms embedded in a cavity by using perturbation theory and a full master equation approach. We unveil interesting features of blockade and transparency in such cavity QED systems.","abstract_has_math":false,"creators":["Gillet, Jérémie"],"institution":"ULiège - Université de Liège","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Institut de Physique Nucléaire, Atomique et de Spectroscopie"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-10-21","date_published":"2011-10-21","updated_at":"2026-07-24T02:49:14Z","subjects":["Quantum Entanglement","Quantum Optics","Cavity QED","Entanglement Criterion","Dipole Blockade","EIT","Physical, chemical, mathematical & earth Sciences","Physics","Physique, chimie, mathématiques & sciences de la terre","Physique"],"languages":["en"],"rights":["open access","info:eu-repo/semantics/openAccess"],"rights_urls":["http://purl.org/coar/access_right/c_abf2"],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["info:hdl:2268/99113"],"render_values":[{"text":"info:hdl:2268/99113","href":null,"code":true}]}]},"links":{"outbound_url":"https://orbi.uliege.be/handle/2268/99113","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Institut de Physique Nucléaire, Atomique et de Spectroscopie"]},{"key":"dc:creator","label":"Author","values":["Gillet, Jérémie"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-10-21"]},{"key":"dc:publisher","label":"Institution","values":["ULiège - Université de Liège"]},{"key":"dc:type","label":"Dc Type","values":["doctoral thesis","http://purl.org/coar/resource_type/c_db06","info:eu-repo/semantics/doctoralThesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Quantum Entanglement","Quantum Optics","Cavity QED","Entanglement Criterion","Dipole Blockade","EIT","Physical, chemical, mathematical & earth Sciences","Physics","Physique, chimie, mathématiques & sciences de la terre","Physique"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["open access","http://purl.org/coar/access_right/c_abf2","info:eu-repo/semantics/openAccess"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://orbi.uliege.be/handle/2268/99113","info:hdl:2268/99113","https://orbi.uliege.be/bitstream/2268/99113/1/Global.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["We introduce in this thesis two entanglement detection criteria, the Schrödinger-Robertson partial transpose inequality, which can be implemented experimentally in a variety of systems and generalized N-qubit concurrences, which can be used to evaluate multipartite entanglement in N-qubit mixed states. Then, we investigate ways to experimentally produce entanglement by giving a theoretical model which successfully describes the dipole blockade effect. We study its possible applications in systems of two and three two-level atoms as well as its relations with the EITeffect in systems of two three-level atoms. Finally, we show the possibility of two-photon processes in a system of two two-level atoms embedded in a cavity by using perturbation theory and a full master equation approach. We unveil interesting features of blockade and transparency in such cavity QED systems.","Nous commençons cette thèse en donnant deux critères de détection d'intrication quantique, la Schrödinger-Robertson partial transpose inequality qui peut être implémentée expérimentalement et des concurrences à N qubits qui peuvent servir à évaluer l'intrication multipartite dans des états mixtes de N qubits. Nous nous intéressons ensuite à des manières de produire de l'intrication de manière expérimentale et nous donnons un modèle théorique se montrant capable de décrire correctement le phénomène de dipole blockade. Nous étudions ses application potentielles dans des systèmes de deux ou de trois atomes à deux niveaux ainsi que ses relations avec l'effet d'EIT dans des systèmes de deux atomes à trois niveaux. Enfin, nous montrons la possibilité de processus à deux photons dans un système de deux atomes à deux niveaux plongés dans une cavité à l'aide de la théorie des perturbation et du formalisme des équations maîtresses. Nous soulignons des comportements intéressants de blockade et de transparence dans ce genre de systèmes liés au domaine de l'électrodynamique quantique en cavité."]},{"key":"dc:format","label":"Dc Format","values":["150+42"]},{"key":"dc:title","label":"Title","values":["Contribution to Entanglement Theory, Applications in Atomic Systems and Cavity QED","Contribution à la théorie de l'intrication, applications à des systèmes atomiques et à l'électrodynamique quantique en cavité"]}]}],"canonical_facts":{"dc:contributor":["Institut de Physique Nucléaire, Atomique et de Spectroscopie"],"dc:creator":["Gillet, Jérémie"],"dc:date":["2011-10-21"],"dc:description":["We introduce in this thesis two entanglement detection criteria, the Schrödinger-Robertson partial transpose inequality, which can be implemented experimentally in a variety of systems and generalized N-qubit concurrences, which can be used to evaluate multipartite entanglement in N-qubit mixed states. Then, we investigate ways to experimentally produce entanglement by giving a theoretical model which successfully describes the dipole blockade effect. We study its possible applications in systems of two and three two-level atoms as well as its relations with the EITeffect in systems of two three-level atoms. Finally, we show the possibility of two-photon processes in a system of two two-level atoms embedded in a cavity by using perturbation theory and a full master equation approach. We unveil interesting features of blockade and transparency in such cavity QED systems.","Nous commençons cette thèse en donnant deux critères de détection d'intrication quantique, la Schrödinger-Robertson partial transpose inequality qui peut être implémentée expérimentalement et des concurrences à N qubits qui peuvent servir à évaluer l'intrication multipartite dans des états mixtes de N qubits. Nous nous intéressons ensuite à des manières de produire de l'intrication de manière expérimentale et nous donnons un modèle théorique se montrant capable de décrire correctement le phénomène de dipole blockade. Nous étudions ses application potentielles dans des systèmes de deux ou de trois atomes à deux niveaux ainsi que ses relations avec l'effet d'EIT dans des systèmes de deux atomes à trois niveaux. Enfin, nous montrons la possibilité de processus à deux photons dans un système de deux atomes à deux niveaux plongés dans une cavité à l'aide de la théorie des perturbation et du formalisme des équations maîtresses. Nous soulignons des comportements intéressants de blockade et de transparence dans ce genre de systèmes liés au domaine de l'électrodynamique quantique en cavité."],"dc:format":["150+42"],"dc:identifier":["https://orbi.uliege.be/handle/2268/99113","info:hdl:2268/99113","https://orbi.uliege.be/bitstream/2268/99113/1/Global.pdf"],"dc:language":["en"],"dc:publisher":["ULiège - Université de Liège"],"dc:rights":["open access","http://purl.org/coar/access_right/c_abf2","info:eu-repo/semantics/openAccess"],"dc:subject":["Quantum Entanglement","Quantum Optics","Cavity QED","Entanglement Criterion","Dipole Blockade","EIT","Physical, chemical, mathematical & earth Sciences","Physics","Physique, chimie, mathématiques & sciences de la terre","Physique"],"dc:title":["Contribution to Entanglement Theory, Applications in Atomic Systems and Cavity QED","Contribution à la théorie de l'intrication, applications à des systèmes atomiques et à l'électrodynamique quantique en cavité"],"dc:type":["doctoral thesis","http://purl.org/coar/resource_type/c_db06","info:eu-repo/semantics/doctoralThesis"]},"updated_at":"2026-07-24T02:49:14Z"}