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Superconducting Qubits Quantum Simulation

Floquet prethermalization of {bf Z}2 lattice gauge theory on superconducting qubits

arXiv
Authors: Tomoya Hayata, Kazuhiro Seki, Arata Yamamoto

Year

2024

Paper ID

64122

Status

Preprint

Abstract Read

~2 min

Abstract Words

110

Citations

N/A

Abstract

Simulating nonequilibirum dynamics of a quantum many-body system is one of the promising applications of quantum computing. We simulate the time evolution of one-dimensional {bf Z}2 lattice gauge theory on IBM's superconducting 156-qubit device ibm_fez. We consider the Floquet circuit made of the Trotter decomposition of Hamiltonian evolution and focus on its dynamics toward thermalization. Quantum simulation with the help of error mitigation is successful in running the Floquet circuit made of 38 and 116 qubits up to 10 Trotter steps in the best case. This is enough to reach the early stage of prethermalization. Our work would be a benchmark for the potential power of quantum computing for high-energy physics problems.

Why This Paper Matters

  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • Simulating nonequilibirum dynamics of a quantum many-body system is one of the promising applications of quantum computing.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2408.10079 [2] arXiv https://arxiv.org/abs/2408.10079 [3] Publisher https://arxiv.org/abs/2408.10079

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