Hardware-efficient protocol for measuring complex Loschmidt echoes in a Fermi-Hubbard optical-lattice processor via quench dynamics and tailored imaginary-time pulses.
We perform a variational ground state search using DMRG [47] on matrix-product states in a snake-like geometry for different values of the maximum bond dimension χ
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Phase-Sensitive Measurements on a Fermi-Hubbard Quantum Processor
Hardware-efficient protocol for measuring complex Loschmidt echoes in a Fermi-Hubbard optical-lattice processor via quench dynamics and tailored imaginary-time pulses.