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Intertwined spin, charge, and pair correlations in the two-dimensional Hubbard model in the thermodynamic limit

The high-temperature superconducting cuprates are governed by intertwined spin, charge, and superconducting orders. While various state-of-the-art numerical methods have demonstrated that these phases also manifest themselves in doped Hubbard models, they differ on which is the actual ground state....

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Autores principales: Mai, Peizhi, Karakuzu, Seher, Balduzzi, Giovanni, Johnston, Steven, Maier, Thomas A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: National Academy of Sciences 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8851552/
https://www.ncbi.nlm.nih.gov/pubmed/35140180
http://dx.doi.org/10.1073/pnas.2112806119
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author Mai, Peizhi
Karakuzu, Seher
Balduzzi, Giovanni
Johnston, Steven
Maier, Thomas A.
author_facet Mai, Peizhi
Karakuzu, Seher
Balduzzi, Giovanni
Johnston, Steven
Maier, Thomas A.
author_sort Mai, Peizhi
collection PubMed
description The high-temperature superconducting cuprates are governed by intertwined spin, charge, and superconducting orders. While various state-of-the-art numerical methods have demonstrated that these phases also manifest themselves in doped Hubbard models, they differ on which is the actual ground state. Finite-cluster methods typically indicate that stripe order dominates, while embedded quantum-cluster methods, which access the thermodynamic limit by treating long-range correlations with a dynamical mean field, conclude that superconductivity does. Here, we report the observation of fluctuating spin and charge stripes in the doped single-band Hubbard model using a quantum Monte Carlo dynamical cluster approximation (DCA) method. By resolving both the fluctuating spin and charge orders using DCA, we demonstrate that they survive in the doped Hubbard model in the thermodynamic limit. This discovery also provides an opportunity to study the influence of fluctuating stripe correlations on the model’s pairing correlations within a unified numerical framework. Using this approach, we also find evidence for pair-density-wave correlations whose strength is correlated with that of the stripes.
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spelling pubmed-88515522022-02-18 Intertwined spin, charge, and pair correlations in the two-dimensional Hubbard model in the thermodynamic limit Mai, Peizhi Karakuzu, Seher Balduzzi, Giovanni Johnston, Steven Maier, Thomas A. Proc Natl Acad Sci U S A Physical Sciences The high-temperature superconducting cuprates are governed by intertwined spin, charge, and superconducting orders. While various state-of-the-art numerical methods have demonstrated that these phases also manifest themselves in doped Hubbard models, they differ on which is the actual ground state. Finite-cluster methods typically indicate that stripe order dominates, while embedded quantum-cluster methods, which access the thermodynamic limit by treating long-range correlations with a dynamical mean field, conclude that superconductivity does. Here, we report the observation of fluctuating spin and charge stripes in the doped single-band Hubbard model using a quantum Monte Carlo dynamical cluster approximation (DCA) method. By resolving both the fluctuating spin and charge orders using DCA, we demonstrate that they survive in the doped Hubbard model in the thermodynamic limit. This discovery also provides an opportunity to study the influence of fluctuating stripe correlations on the model’s pairing correlations within a unified numerical framework. Using this approach, we also find evidence for pair-density-wave correlations whose strength is correlated with that of the stripes. National Academy of Sciences 2022-02-09 2022-02-15 /pmc/articles/PMC8851552/ /pubmed/35140180 http://dx.doi.org/10.1073/pnas.2112806119 Text en Copyright © 2022 the Author(s). Published by PNAS. https://creativecommons.org/licenses/by-nc-nd/4.0/This open access article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND) (https://creativecommons.org/licenses/by-nc-nd/4.0/) .
spellingShingle Physical Sciences
Mai, Peizhi
Karakuzu, Seher
Balduzzi, Giovanni
Johnston, Steven
Maier, Thomas A.
Intertwined spin, charge, and pair correlations in the two-dimensional Hubbard model in the thermodynamic limit
title Intertwined spin, charge, and pair correlations in the two-dimensional Hubbard model in the thermodynamic limit
title_full Intertwined spin, charge, and pair correlations in the two-dimensional Hubbard model in the thermodynamic limit
title_fullStr Intertwined spin, charge, and pair correlations in the two-dimensional Hubbard model in the thermodynamic limit
title_full_unstemmed Intertwined spin, charge, and pair correlations in the two-dimensional Hubbard model in the thermodynamic limit
title_short Intertwined spin, charge, and pair correlations in the two-dimensional Hubbard model in the thermodynamic limit
title_sort intertwined spin, charge, and pair correlations in the two-dimensional hubbard model in the thermodynamic limit
topic Physical Sciences
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8851552/
https://www.ncbi.nlm.nih.gov/pubmed/35140180
http://dx.doi.org/10.1073/pnas.2112806119
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