Entanglement structure of the two-component Bose-Hubbard model as a quantum simulator of a Heisenberg chain

We consider a quantum simulator of the Heisenberg chain with ferromagnetic interactions based on the two-component 1D Bose-Hubbard model at filling equal to two in the strong coupling regime. The entanglement properties of the ground state of the two-component Bose-Hubbard model are compared to thos...

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Autores principales: Morera, I., Polls, Artur, Juliá-Díaz, Bruno
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6603041/
https://www.ncbi.nlm.nih.gov/pubmed/31263117
http://dx.doi.org/10.1038/s41598-019-45737-4
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author Morera, I.
Polls, Artur
Juliá-Díaz, Bruno
author_facet Morera, I.
Polls, Artur
Juliá-Díaz, Bruno
author_sort Morera, I.
collection PubMed
description We consider a quantum simulator of the Heisenberg chain with ferromagnetic interactions based on the two-component 1D Bose-Hubbard model at filling equal to two in the strong coupling regime. The entanglement properties of the ground state of the two-component Bose-Hubbard model are compared to those of the effective spin model as the interspecies interaction approaches the intraspecies one. A numerical study of the entanglement properties of the two-component Bose-Hubbard model is supplemented with analytical expressions derived from the effective spin Hamiltonian. When the pure ferromagnetic Heisenberg chain is considered, the entanglement properties of the effective Hamiltonian are not properly predicted by the quantum simulator.
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spelling pubmed-66030412019-07-14 Entanglement structure of the two-component Bose-Hubbard model as a quantum simulator of a Heisenberg chain Morera, I. Polls, Artur Juliá-Díaz, Bruno Sci Rep Article We consider a quantum simulator of the Heisenberg chain with ferromagnetic interactions based on the two-component 1D Bose-Hubbard model at filling equal to two in the strong coupling regime. The entanglement properties of the ground state of the two-component Bose-Hubbard model are compared to those of the effective spin model as the interspecies interaction approaches the intraspecies one. A numerical study of the entanglement properties of the two-component Bose-Hubbard model is supplemented with analytical expressions derived from the effective spin Hamiltonian. When the pure ferromagnetic Heisenberg chain is considered, the entanglement properties of the effective Hamiltonian are not properly predicted by the quantum simulator. Nature Publishing Group UK 2019-07-01 /pmc/articles/PMC6603041/ /pubmed/31263117 http://dx.doi.org/10.1038/s41598-019-45737-4 Text en © The Author(s) 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Morera, I.
Polls, Artur
Juliá-Díaz, Bruno
Entanglement structure of the two-component Bose-Hubbard model as a quantum simulator of a Heisenberg chain
title Entanglement structure of the two-component Bose-Hubbard model as a quantum simulator of a Heisenberg chain
title_full Entanglement structure of the two-component Bose-Hubbard model as a quantum simulator of a Heisenberg chain
title_fullStr Entanglement structure of the two-component Bose-Hubbard model as a quantum simulator of a Heisenberg chain
title_full_unstemmed Entanglement structure of the two-component Bose-Hubbard model as a quantum simulator of a Heisenberg chain
title_short Entanglement structure of the two-component Bose-Hubbard model as a quantum simulator of a Heisenberg chain
title_sort entanglement structure of the two-component bose-hubbard model as a quantum simulator of a heisenberg chain
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6603041/
https://www.ncbi.nlm.nih.gov/pubmed/31263117
http://dx.doi.org/10.1038/s41598-019-45737-4
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AT pollsartur entanglementstructureofthetwocomponentbosehubbardmodelasaquantumsimulatorofaheisenbergchain
AT juliadiazbruno entanglementstructureofthetwocomponentbosehubbardmodelasaquantumsimulatorofaheisenbergchain

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