Superconductivity in the doped Hubbard model and its interplay with next-nearest hopping t ′
Abstract
The Hubbard model is widely believed to contain the essential ingredients of high-temperature superconductivity. Yet, proving definitively that the model supports superconductivity is challenging. Here, we report a large-scale density matrix renormalization group study of the lightly doped Hubbard model on four-leg cylinders at hole doping concentration δ = 12.5%. We reveal a delicate interplay between superconductivity and charge density wave and spin density wave orders tunable via next-nearest neighbor hopping t$$\prime$$. For finite t$$\prime$$, the ground state is consistent with a Luther-Emery liquid with power-law superconducting and charge density wave correlations associated with half-filled charge stripes. In contrast, for t$$\prime$$ = 0, superconducting correlations fall off exponentially, whereas charge density and spin density modulations are dominant. Our findings suggest that a route to robust long-range superconductivity involves destabilizing insulating charge stripes in the doped Hubbard model.
- Publication Date:
- Research Org.:
- SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES)
- Sponsoring Org.:
- USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
- OSTI Identifier:
- 1566907
- Alternate Identifier(s):
- OSTI ID: 1569765
- Grant/Contract Number:
- AC02-76SF00515
- Resource Type:
- Published Article
- Journal Name:
- Science
- Additional Journal Information:
- Journal Name: Science Journal Volume: 365 Journal Issue: 6460; Journal ID: ISSN 0036-8075
- Publisher:
- American Association for the Advancement of Science (AAAS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Jiang, Hong-Chen, and Devereaux, Thomas P. Superconductivity in the doped Hubbard model and its interplay with next-nearest hopping t ′. United States: N. p., 2019.
Web. doi:10.1126/science.aal5304.
Jiang, Hong-Chen, & Devereaux, Thomas P. Superconductivity in the doped Hubbard model and its interplay with next-nearest hopping t ′. United States. https://doi.org/10.1126/science.aal5304
Jiang, Hong-Chen, and Devereaux, Thomas P. Thu .
"Superconductivity in the doped Hubbard model and its interplay with next-nearest hopping t ′". United States. https://doi.org/10.1126/science.aal5304.
@article{osti_1566907,
title = {Superconductivity in the doped Hubbard model and its interplay with next-nearest hopping t ′},
author = {Jiang, Hong-Chen and Devereaux, Thomas P.},
abstractNote = {The Hubbard model is widely believed to contain the essential ingredients of high-temperature superconductivity. Yet, proving definitively that the model supports superconductivity is challenging. Here, we report a large-scale density matrix renormalization group study of the lightly doped Hubbard model on four-leg cylinders at hole doping concentration δ = 12.5%. We reveal a delicate interplay between superconductivity and charge density wave and spin density wave orders tunable via next-nearest neighbor hopping t$\prime$. For finite t$\prime$, the ground state is consistent with a Luther-Emery liquid with power-law superconducting and charge density wave correlations associated with half-filled charge stripes. In contrast, for t$\prime$ = 0, superconducting correlations fall off exponentially, whereas charge density and spin density modulations are dominant. Our findings suggest that a route to robust long-range superconductivity involves destabilizing insulating charge stripes in the doped Hubbard model.},
doi = {10.1126/science.aal5304},
journal = {Science},
number = 6460,
volume = 365,
place = {United States},
year = {Thu Sep 26 00:00:00 EDT 2019},
month = {Thu Sep 26 00:00:00 EDT 2019}
}
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Works referencing / citing this record:
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