Faster Digital Quantum Simulation by Symmetry Protection

29 Jun 2020 Tran Minh C. Su Yuan Carney Daniel Taylor Jacob M.

Simulating the dynamics of quantum systems is an important application of quantum computers and has seen a variety of implementations on current hardware. We show that by introducing quantum gates implementing unitary transformations generated by the symmetries of the system, one can induce destructive interference between the errors from different steps of the simulation, effectively giving faster quantum simulation by symmetry protection... (read more)

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