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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2502.04015 |
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| _version_ | 1866910817044135936 |
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| author | Sinilkov, Petar Berkowitz, Evan Luu, Thomas Rodekamp, Marcel |
| author_facet | Sinilkov, Petar Berkowitz, Evan Luu, Thomas Rodekamp, Marcel |
| contents | We present one- and two-body measurements for the Hubbard model on the honeycomb (graphene) lattice from ab-initio quantum monte carlo simulations. Of particular interest is excitons, which are particle/hole excitations in low-dimensional systems. They are analogous to the pion in QCD, but without confinement, the question of whether they are bound and stable is of great interest in the condensed matter arena. By measuring one- and two-body correlators across various spin and isospin channels we can compute two-body energies relative to their thresholds, ultimately allowing us to check for stable states. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_04015 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Search for Stable States in Two-Body Excitations of the Hubbard Model on the Honeycomb Lattice Sinilkov, Petar Berkowitz, Evan Luu, Thomas Rodekamp, Marcel Strongly Correlated Electrons We present one- and two-body measurements for the Hubbard model on the honeycomb (graphene) lattice from ab-initio quantum monte carlo simulations. Of particular interest is excitons, which are particle/hole excitations in low-dimensional systems. They are analogous to the pion in QCD, but without confinement, the question of whether they are bound and stable is of great interest in the condensed matter arena. By measuring one- and two-body correlators across various spin and isospin channels we can compute two-body energies relative to their thresholds, ultimately allowing us to check for stable states. |
| title | Search for Stable States in Two-Body Excitations of the Hubbard Model on the Honeycomb Lattice |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2502.04015 |