aiqbench takeQuantum Computing

This research presents optimized Trotter-Suzuki schemes designed to reduce gate counts for simulating lattice field theories on quantum hardware. By improving the efficiency of time evolution computations, these methods address a critical bottleneck in scaling practical quantum simulations beyond current limitations. The work offers concrete algorithmic advances that directly benefit researchers developing algorithms for real-time dynamics and tensor network applications.

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Reducing the Gate Count with Efficient Trotter-Suzuki Schemes

arXivJuly 31, 20261 min read

arXiv:2602.21145v2 Announce Type: replace-cross Abstract: Hamiltonian formulations of lattice field theories provide access to real-time dynamics, but their simulation is difficult to implement efficiently. Trotter-Suzuki decompositions are at the center of time evolution computation, either on quantum hardware or classically, for instance with the use of tensor networks. While low-order Trotterizations remain the standard choice due to their simplicity, higher-order schemes offer the potential for improved efficiency. In this work we outline a short guide to Trotter-Suzuki schemes and their implementations in general. To help with this, we highlight new efficient schemes found by our optimization framework, and demonstrate their performance on the Heisenberg model.

Abstract:Hamiltonian formulations of lattice field theories provide access to real-time dynamics, but their simulation is difficult to implement efficiently. Trotter-Suzuki decompositions are at the center of time evolution computation, either on quantum hardware or classically, for instance with the use of tensor networks. While low-order Trotterizations remain the standard choice due to their simplicity, higher-order schemes offer the potential for improved efficiency. In this work we outline a short guide to Trotter-Suzuki schemes and their implementations in general. To help with this, we highlight new efficient schemes found by our optimization framework, and demonstrate their performance on the Heisenberg model.

arXiv:2602.21145 [hep-lat]

(or arXiv:2602.21145v2 [hep-lat] for this version)

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