Polaronic correlations from optimized ancilla wave functions for the Fermi-Hubbard model
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866908367408070656 |
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| author | Müller, Tobias Thomale, Ronny Sachdev, Subir Iqbal, Yasir |
| author_facet | Müller, Tobias Thomale, Ronny Sachdev, Subir Iqbal, Yasir |
| contents | We employ a family of ancilla qubit variational wave-functions [Zhang and Sachdev, Phys. Rev. Res. 2, 023172 (2020)] to describe the polaronic correlations in the pseudo-gap metal phase of a hole-doped 2D Fermi-Hubbard model. Comparison to ultra-cold atom quantum simulator data [Koepsel et al., Science 374, 82 (2021)] reveals both qualitative and quantitative agreement with the numerical analysis from half-filling up to 80\% hole-doping, capturing the crossover from the polaronic regime to the Fermi liquid observed around $40\%$ doping. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2408_01492 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Polaronic correlations from optimized ancilla wave functions for the Fermi-Hubbard model Müller, Tobias Thomale, Ronny Sachdev, Subir Iqbal, Yasir Strongly Correlated Electrons We employ a family of ancilla qubit variational wave-functions [Zhang and Sachdev, Phys. Rev. Res. 2, 023172 (2020)] to describe the polaronic correlations in the pseudo-gap metal phase of a hole-doped 2D Fermi-Hubbard model. Comparison to ultra-cold atom quantum simulator data [Koepsel et al., Science 374, 82 (2021)] reveals both qualitative and quantitative agreement with the numerical analysis from half-filling up to 80\% hole-doping, capturing the crossover from the polaronic regime to the Fermi liquid observed around $40\%$ doping. |
| title | Polaronic correlations from optimized ancilla wave functions for the Fermi-Hubbard model |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2408.01492 |