Efficient classical simulation of time dynamics in Fermi-Hubbard models with imaginary interactions
Fuente:
arXiv
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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866911383827775488 |
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| author | Santos, Raul A. |
| author_facet | Santos, Raul A. |
| contents | Using a map between the Lindbladian evolution of dephasing in free fermions and the time evolution of imaginary-interaction Fermi-Hubbard models in bipartite lattices, we present an efficient classical algorithm to solve the Schrödinger equation in these interacting systems. This algorithm leverages the recently discovered algorithm for simulating Lindbladian evolution by sampling mixed unitary channels (Wang et al arXiv:2601.06298). We comment on the expected classical complexity of the problem for general complex values of the parameters and discuss some applications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_12368 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Efficient classical simulation of time dynamics in Fermi-Hubbard models with imaginary interactions Santos, Raul A. Quantum Physics Using a map between the Lindbladian evolution of dephasing in free fermions and the time evolution of imaginary-interaction Fermi-Hubbard models in bipartite lattices, we present an efficient classical algorithm to solve the Schrödinger equation in these interacting systems. This algorithm leverages the recently discovered algorithm for simulating Lindbladian evolution by sampling mixed unitary channels (Wang et al arXiv:2601.06298). We comment on the expected classical complexity of the problem for general complex values of the parameters and discuss some applications. |
| title | Efficient classical simulation of time dynamics in Fermi-Hubbard models with imaginary interactions |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2601.12368 |