Continuous dynamical decoupling and decoherence-free subspaces for qubits with tunable interaction
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1007/s11128-019-2271-0 http://hdl.handle.net/11449/187538 |
Resumo: | Protecting quantum states from the decohering effects of the environment is of great importance for the development of quantum computation devices and quantum simulators. Here, we introduce a continuous dynamical decoupling protocol that enables us to protect the entangling gate operation between two qubits from the environmental noise. We present a simple model that involves two qubits which interact with each other with a strength that depends on their mutual distance and generates the entanglement among them, as well as in contact with an environment. The nature of the environment, that is, whether it acts as an individual or common bath to the qubits, is also controlled by the effective distance of qubits. Our results indicate that the introduced continuous dynamical decoupling scheme works well in protecting the entangling operation. Furthermore, under certain circumstances, the dynamics of the qubits naturally led them into a decoherence-free subspace which can be used complimentary to the continuous dynamical decoupling. |
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Repositório Institucional da UNESP |
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Continuous dynamical decoupling and decoherence-free subspaces for qubits with tunable interactionDynamical decouplingOpen quantum systemsQuantum controlQuantum gatesProtecting quantum states from the decohering effects of the environment is of great importance for the development of quantum computation devices and quantum simulators. Here, we introduce a continuous dynamical decoupling protocol that enables us to protect the entangling gate operation between two qubits from the environmental noise. We present a simple model that involves two qubits which interact with each other with a strength that depends on their mutual distance and generates the entanglement among them, as well as in contact with an environment. The nature of the environment, that is, whether it acts as an individual or common bath to the qubits, is also controlled by the effective distance of qubits. Our results indicate that the introduced continuous dynamical decoupling scheme works well in protecting the entangling operation. Furthermore, under certain circumstances, the dynamics of the qubits naturally led them into a decoherence-free subspace which can be used complimentary to the continuous dynamical decoupling.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Departments of Physics Faculty of Nuclear Sciences and Physical Engineering Czech Technical University in Prague, Břehová 7Department of Physics Koç UniversityCollege of Engineering and Natural Sciences Bahçeşehir UniversityDepartment of Physics Faculty of Arts and Sciences Izmir University of EconomicsFaculdade de Ciências UNESP - Universidade Estadual PaulistaFaculdade de Ciências UNESP - Universidade Estadual PaulistaCNPq: 302280/2017-0Czech Technical University in PragueKoç UniversityBahçeşehir UniversityIzmir University of EconomicsUniversidade Estadual Paulista (Unesp)Yalçınkaya, I.Çakmak, B.Karpat, G.Fanchini, F. F. [UNESP]2019-10-06T15:39:24Z2019-10-06T15:39:24Z2019-05-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1007/s11128-019-2271-0Quantum Information Processing, v. 18, n. 5, 2019.1570-0755http://hdl.handle.net/11449/18753810.1007/s11128-019-2271-02-s2.0-8506406031388848904721934740000-0003-3297-905XScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengQuantum Information Processinginfo:eu-repo/semantics/openAccess2021-10-23T20:19:26Zoai:repositorio.unesp.br:11449/187538Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T22:35:22.498724Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Continuous dynamical decoupling and decoherence-free subspaces for qubits with tunable interaction |
title |
Continuous dynamical decoupling and decoherence-free subspaces for qubits with tunable interaction |
spellingShingle |
Continuous dynamical decoupling and decoherence-free subspaces for qubits with tunable interaction Yalçınkaya, I. Dynamical decoupling Open quantum systems Quantum control Quantum gates |
title_short |
Continuous dynamical decoupling and decoherence-free subspaces for qubits with tunable interaction |
title_full |
Continuous dynamical decoupling and decoherence-free subspaces for qubits with tunable interaction |
title_fullStr |
Continuous dynamical decoupling and decoherence-free subspaces for qubits with tunable interaction |
title_full_unstemmed |
Continuous dynamical decoupling and decoherence-free subspaces for qubits with tunable interaction |
title_sort |
Continuous dynamical decoupling and decoherence-free subspaces for qubits with tunable interaction |
author |
Yalçınkaya, I. |
author_facet |
Yalçınkaya, I. Çakmak, B. Karpat, G. Fanchini, F. F. [UNESP] |
author_role |
author |
author2 |
Çakmak, B. Karpat, G. Fanchini, F. F. [UNESP] |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Czech Technical University in Prague Koç University Bahçeşehir University Izmir University of Economics Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Yalçınkaya, I. Çakmak, B. Karpat, G. Fanchini, F. F. [UNESP] |
dc.subject.por.fl_str_mv |
Dynamical decoupling Open quantum systems Quantum control Quantum gates |
topic |
Dynamical decoupling Open quantum systems Quantum control Quantum gates |
description |
Protecting quantum states from the decohering effects of the environment is of great importance for the development of quantum computation devices and quantum simulators. Here, we introduce a continuous dynamical decoupling protocol that enables us to protect the entangling gate operation between two qubits from the environmental noise. We present a simple model that involves two qubits which interact with each other with a strength that depends on their mutual distance and generates the entanglement among them, as well as in contact with an environment. The nature of the environment, that is, whether it acts as an individual or common bath to the qubits, is also controlled by the effective distance of qubits. Our results indicate that the introduced continuous dynamical decoupling scheme works well in protecting the entangling operation. Furthermore, under certain circumstances, the dynamics of the qubits naturally led them into a decoherence-free subspace which can be used complimentary to the continuous dynamical decoupling. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-10-06T15:39:24Z 2019-10-06T15:39:24Z 2019-05-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1007/s11128-019-2271-0 Quantum Information Processing, v. 18, n. 5, 2019. 1570-0755 http://hdl.handle.net/11449/187538 10.1007/s11128-019-2271-0 2-s2.0-85064060313 8884890472193474 0000-0003-3297-905X |
url |
http://dx.doi.org/10.1007/s11128-019-2271-0 http://hdl.handle.net/11449/187538 |
identifier_str_mv |
Quantum Information Processing, v. 18, n. 5, 2019. 1570-0755 10.1007/s11128-019-2271-0 2-s2.0-85064060313 8884890472193474 0000-0003-3297-905X |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Quantum Information Processing |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808129440920633344 |