Variational quantum circuit MPS ansatz with stochastic corrections simulates the DQPT of the TFIM on Quantinuum H1-1 hardware, demonstrating feasibility and revealing hidden simplicity in the dynamics.
Noise-resilient preparation of quantum many-body ground states
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abstract
Certain quantum many-body ground states can be prepared by a large-depth quantum circuit consisting of geometrically local gates. In the presence of noise, local expectation values deviate from the correct value at most by an amount comparable to the noise rate. This happens if the action of the noiseless circuit, restricted to certain subsystems, rapidly mixes local observables up to a small correction. The encoding circuit for the surface code is given as an example.
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quant-ph 1years
2025 1verdicts
UNVERDICTED 1representative citing papers
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Fully optimised variational simulation of a dynamical quantum phase transition on a trapped-ion quantum computer
Variational quantum circuit MPS ansatz with stochastic corrections simulates the DQPT of the TFIM on Quantinuum H1-1 hardware, demonstrating feasibility and revealing hidden simplicity in the dynamics.