A classical-reservoir-derived variational circuit achieves at least 0.99 ground-state fidelity for 8- and 10-site 2D Fermi-Hubbard models at U/t=8, using fewer parameters and no fermionic swap network.
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Efficient Fermi-Hubbard model ground-state preparation by coupling to a classical reservoir in the instantaneous-response limit
A classical-reservoir-derived variational circuit achieves at least 0.99 ground-state fidelity for 8- and 10-site 2D Fermi-Hubbard models at U/t=8, using fewer parameters and no fermionic swap network.