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Title: Ground-state phase diagram of the t-t ′ -J model

Abstract

Significance Theoretical efforts to understand the superconducting cuprates have focused on a few simplified but challenging models: notably the Hubbard and the t - t ′ - J models. Using density matrix renormalization group (DMRG) simulations on width-8 cylinders, we study the ground-state phase diagram of the t - t ′- J model. The next nearest-neighbor hopping t ′ allows one to distinguish between hole ( t ′ < 0 ) and electron doping ( t ′ > 0 ). We find for the magnetic, charge, and single-particle properties that this model roughly captures the differences between the electron- and hole-doped cuprates. However, the superconducting properties differ. For hole doping ( t ′ < 0 ), there is an absence of superconductivity, while for electron doping ( t ′ > 0), we find d -wave superconductivity coexisting with antiferromagnetism and a secondary triplet p -wave pairing component.

Authors:
 [1];  [2]; ORCiD logo [1]
+ Show Author Affiliations
  1. Department of Physics and Astronomy, University of California, Irvine, CA 92697, and
  2. Department of Physics, University of California, Santa Barbara, CA 93106
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1828997
Grant/Contract Number:  
SciDAC
Resource Type:
Published Article
Journal Name:
Proceedings of the National Academy of Sciences of the United States of America
Additional Journal Information:
Journal Name: Proceedings of the National Academy of Sciences of the United States of America Journal Volume: 118 Journal Issue: 44; Journal ID: ISSN 0027-8424
Publisher:
Proceedings of the National Academy of Sciences
Country of Publication:
United States
Language:
English

Citation Formats

Jiang, Shengtao, Scalapino, Douglas J., and White, Steven R. Ground-state phase diagram of the t-t ′ -J model. United States: N. p., 2021. Web. doi:10.1073/pnas.2109978118.
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Jiang, Shengtao, Scalapino, Douglas J., & White, Steven R. Ground-state phase diagram of the t-t ′ -J model. United States. https://doi.org/10.1073/pnas.2109978118
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Jiang, Shengtao, Scalapino, Douglas J., and White, Steven R. Wed . "Ground-state phase diagram of the t-t ′ -J model". United States. https://doi.org/10.1073/pnas.2109978118.
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@article{osti_1828997,
title = {Ground-state phase diagram of the t-t ′ -J model},
author = {Jiang, Shengtao and Scalapino, Douglas J. and White, Steven R.},
abstractNote = {Significance Theoretical efforts to understand the superconducting cuprates have focused on a few simplified but challenging models: notably the Hubbard and the t - t ′ - J models. Using density matrix renormalization group (DMRG) simulations on width-8 cylinders, we study the ground-state phase diagram of the t - t ′- J model. The next nearest-neighbor hopping t ′ allows one to distinguish between hole ( t ′ < 0 ) and electron doping ( t ′ > 0 ). We find for the magnetic, charge, and single-particle properties that this model roughly captures the differences between the electron- and hole-doped cuprates. However, the superconducting properties differ. For hole doping ( t ′ < 0 ), there is an absence of superconductivity, while for electron doping ( t ′ > 0), we find d -wave superconductivity coexisting with antiferromagnetism and a secondary triplet p -wave pairing component.},
doi = {10.1073/pnas.2109978118},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
number = 44,
volume = 118,
place = {United States},
year = {2021},
month = {10}
}
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https://doi.org/10.1073/pnas.2109978118
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