Dissipative dynamics of superconducting hybrid qubit systems

We perform a theoretical study of composed superconducting qubit systems for the case of a coupled qubit configuration based on a hybrid qubit circuit made of both charge and phase qubits, which are coupled via a σx ⊗ σz interaction. We compute the system's eigen-energies in terms of the qubit...

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Fecha de publicación:
2009
Institución:
Ministerio de Ciencia, Tecnología e Innovación
Repositorio:
Repositorio Minciencias
Idioma:
eng
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oai:repositorio.minciencias.gov.co:20.500.14143/21678
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https://repositorio.minciencias.gov.co/handle/20.500.14143/21678
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Qubit
Termodinámica
Conductores eléctricos
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spelling 2018-08-06T17:52:12Z2018-08-06T17:52:12Z2009info:eu-repo/date/embargoEnd/2024-01-31https://repositorio.minciencias.gov.co/handle/20.500.14143/2167810.1088/1742-6596/167/1/012014We perform a theoretical study of composed superconducting qubit systems for the case of a coupled qubit configuration based on a hybrid qubit circuit made of both charge and phase qubits, which are coupled via a σx ⊗ σz interaction. We compute the system's eigen-energies in terms of the qubit transition frequencies and the strength of the inter-qubit coupling, and describe the sensitivity of the energy crossing/anti-crossing features to such coupling. We compute the hybrid system's dissipative dynamics for the cases of i) collective and ii) independent decoherence, whereby the system interacts with one common and two different baths of harmonic oscillators, respectively. The calculations have been performed within the Bloch-Redfield formalism and we report the solutions for the populations and the coherences of the system's reduced density matrix. The dephasing and relaxation rates are explicitly calculated as a function of the heat bath temperature.Departamento Administrativo de Ciencia, Tecnología e Innovación [CO] Colciencias1106-452-21296Control cuántico de las propiedades electrónicas y de espín en nanoestructuras inorgánicas, orgánicas y biológicasnopdf8 páginasengControl cuántico de las propiedades electrónicas y de espín en nanoestructuras inorgánicas, orgánicas y biológicas. La publicación completa está disponible en : <a href="http://repositorio.colciencias.gov.co:80/handle/11146/18424" target="blank">http://repositorio.colciencias.gov.co:80/handle/11146/18424</a>Journal of Physics: Conference Series; Vol. 167; (2009), No. 1; pp. 1-5Contiene 9 referencias bibliográficas. Véase el documento adjuntoDissipative dynamics of superconducting hybrid qubit systemsArtículo científicoinfo:eu-repo/semantics/articlehttp://purl.org/coar/version/c_970fb48d4fbd8a85http://purl.org/coar/resource_type/c_2df8fbb1Administradores de ciencia y tecnologíaInvestigadoresQubitTermodinámicaConductores eléctricoshttp://purl.org/coar/access_right/c_f1cfMontes, EnriqueCalero Quintero, Jesús MaríaReina Estupiñán, John HenryUniversidad del Valle, Univallejhreina@univalle.edu.co2011-06Programa nacional de ciencias básicasComunidad científica colombiana0284-2008Artículos de investigaciónPublicationORIGINALEnrique_Montes_2009_J._Phys.%3A_Conf._Ser._167_012014.pdfEnrique_Montes_2009_J._Phys.%3A_Conf._Ser._167_012014.pdfArticulo de Revista Journal of Physicsapplication/pdf797755https://repositorio.minciencias.gov.co/bitstreams/355e190f-01b8-4787-a864-ded9bb6a2840/downloadaa26925bea3d5790ed987ddbffe3cc3cMD53LICENSElicense.txtlicense.txttext/plain; charset=utf-81748https://repositorio.minciencias.gov.co/bitstreams/5b40e88e-0796-407c-b44f-9b2f4fa83b2b/download8a4605be74aa9ea9d79846c1fba20a33MD52TEXTEnrique_Montes_2009_J._Phys.%3A_Conf._Ser._167_012014.pdf.txtEnrique_Montes_2009_J._Phys.%3A_Conf._Ser._167_012014.pdf.txtExtracted texttext/plain15041https://repositorio.minciencias.gov.co/bitstreams/9a838beb-dd20-4222-abd8-31c17c79c851/download620177af4fc78409799d2d7635dbcfd8MD56THUMBNAILEnrique_Montes_2009_J._Phys.%3A_Conf._Ser._167_012014.pdf.jpgEnrique_Montes_2009_J._Phys.%3A_Conf._Ser._167_012014.pdf.jpgGenerated Thumbnailimage/jpeg7593https://repositorio.minciencias.gov.co/bitstreams/9afac370-8129-4934-9601-8e8ab6509dc8/download8fb157a7677a94c8f5d04c3c81d9b781MD5720.500.14143/21678oai:repositorio.minciencias.gov.co:20.500.14143/216782023-11-29 17:39:18.563restrictedhttps://repositorio.minciencias.gov.coRepositorio Institucional de Mincienciascendoc@minciencias.gov.co
dc.title.es_CO.fl_str_mv Dissipative dynamics of superconducting hybrid qubit systems
title Dissipative dynamics of superconducting hybrid qubit systems
spellingShingle Dissipative dynamics of superconducting hybrid qubit systems
Qubit
Termodinámica
Conductores eléctricos
title_short Dissipative dynamics of superconducting hybrid qubit systems
title_full Dissipative dynamics of superconducting hybrid qubit systems
title_fullStr Dissipative dynamics of superconducting hybrid qubit systems
title_full_unstemmed Dissipative dynamics of superconducting hybrid qubit systems
title_sort Dissipative dynamics of superconducting hybrid qubit systems
dc.subject.lemb.none.fl_str_mv Qubit
Termodinámica
topic Qubit
Termodinámica
Conductores eléctricos
dc.subject.spines.none.fl_str_mv Conductores eléctricos
description We perform a theoretical study of composed superconducting qubit systems for the case of a coupled qubit configuration based on a hybrid qubit circuit made of both charge and phase qubits, which are coupled via a σx ⊗ σz interaction. We compute the system's eigen-energies in terms of the qubit transition frequencies and the strength of the inter-qubit coupling, and describe the sensitivity of the energy crossing/anti-crossing features to such coupling. We compute the hybrid system's dissipative dynamics for the cases of i) collective and ii) independent decoherence, whereby the system interacts with one common and two different baths of harmonic oscillators, respectively. The calculations have been performed within the Bloch-Redfield formalism and we report the solutions for the populations and the coherences of the system's reduced density matrix. The dephasing and relaxation rates are explicitly calculated as a function of the heat bath temperature.
publishDate 2009
dc.date.issued.none.fl_str_mv 2009
dc.date.accessioned.none.fl_str_mv 2018-08-06T17:52:12Z
dc.date.available.none.fl_str_mv 2018-08-06T17:52:12Z
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dc.type.es_CO.fl_str_mv Artículo científico
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dc.identifier.uri.none.fl_str_mv https://repositorio.minciencias.gov.co/handle/20.500.14143/21678
dc.identifier.doi.none.fl_str_mv 10.1088/1742-6596/167/1/012014
url https://repositorio.minciencias.gov.co/handle/20.500.14143/21678
identifier_str_mv 10.1088/1742-6596/167/1/012014
dc.language.iso.es_CO.fl_str_mv eng
language eng
dc.relation.ispartof.none.fl_str_mv Control cuántico de las propiedades electrónicas y de espín en nanoestructuras inorgánicas, orgánicas y biológicas. La publicación completa está disponible en : <a href="http://repositorio.colciencias.gov.co:80/handle/11146/18424" target="blank">http://repositorio.colciencias.gov.co:80/handle/11146/18424</a>
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dc.format.es_CO.fl_str_mv pdf
dc.format.extent.es_CO.fl_str_mv 8 páginas
dc.source.es_CO.fl_str_mv Journal of Physics: Conference Series; Vol. 167; (2009), No. 1; pp. 1-5
institution Ministerio de Ciencia, Tecnología e Innovación
dc.source.bibliographicCitation.es_CO.fl_str_mv Contiene 9 referencias bibliográficas. Véase el documento adjunto
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