Strange metallicity in the doped Hubbard model
Abstract
Strange or bad metallic transport, defined by incompatibility with the conventional quasiparticle picture, is a theme common to many strongly correlated materials, including high-temperature superconductors. The Hubbard model represents a minimal starting point for modeling strongly correlated systems. Here we demonstrate strange metallic transport in the doped two-dimensional Hubbard model using determinantal quantum Monte Carlo calculations. Over a wide range of doping, we observe resistivities exceeding the Mott-Ioffe-Regel limit with linear temperature dependence. The temperatures of our calculations extend to as low as 1/40 of the noninteracting bandwidth, placing our findings in the degenerate regime relevant to experimental observations of strange metallicity. Our results provide a foundation for connecting theories of strange metals to models of strongly correlated materials.
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1575807
- Grant/Contract Number:
- AC02-76SF00515
- Resource Type:
- Published Article
- Journal Name:
- Science
- Additional Journal Information:
- Journal Name: Science Journal Volume: 366 Journal Issue: 6468; Journal ID: ISSN 0036-8075
- Publisher:
- American Association for the Advancement of Science (AAAS)
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Huang, Edwin W., Sheppard, Ryan, Moritz, Brian, and Devereaux, Thomas P. Strange metallicity in the doped Hubbard model. United States: N. p., 2019.
Web. doi:10.1126/science.aau7063.
Huang, Edwin W., Sheppard, Ryan, Moritz, Brian, & Devereaux, Thomas P. Strange metallicity in the doped Hubbard model. United States. doi:10.1126/science.aau7063.
Huang, Edwin W., Sheppard, Ryan, Moritz, Brian, and Devereaux, Thomas P. Thu .
"Strange metallicity in the doped Hubbard model". United States. doi:10.1126/science.aau7063.
@article{osti_1575807,
title = {Strange metallicity in the doped Hubbard model},
author = {Huang, Edwin W. and Sheppard, Ryan and Moritz, Brian and Devereaux, Thomas P.},
abstractNote = {Strange or bad metallic transport, defined by incompatibility with the conventional quasiparticle picture, is a theme common to many strongly correlated materials, including high-temperature superconductors. The Hubbard model represents a minimal starting point for modeling strongly correlated systems. Here we demonstrate strange metallic transport in the doped two-dimensional Hubbard model using determinantal quantum Monte Carlo calculations. Over a wide range of doping, we observe resistivities exceeding the Mott-Ioffe-Regel limit with linear temperature dependence. The temperatures of our calculations extend to as low as 1/40 of the noninteracting bandwidth, placing our findings in the degenerate regime relevant to experimental observations of strange metallicity. Our results provide a foundation for connecting theories of strange metals to models of strongly correlated materials.},
doi = {10.1126/science.aau7063},
journal = {Science},
number = 6468,
volume = 366,
place = {United States},
year = {2019},
month = {11}
}
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DOI: 10.1126/science.aau7063
DOI: 10.1126/science.aau7063
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