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Simulating Field Theories with Quantum Computers
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Simulating Field Theories with Quantum Computers

Muhammad Asaduzzaman, Simon Catterall, Yannick Meurice and Goksu Can Toga
ArXiv.org
Cornell University
01/03/2024
DOI: 10.48550/arxiv.2401.01962
url
https://doi.org/10.48550/arxiv.2401.01962View
Preprint (Author's original)This preprint has not been evaluated by subject experts through peer review. Preprints may undergo extensive changes and/or become peer-reviewed journal articles. Open Access

Abstract

In this study, we investigate Trotter evolution in the Gross-Neveu and hyperbolic Ising models in two spacetime dimensions, using quantum computers. We identify different sources of errors prevalent in various quantum processing units and discuss challenges to scale up the size of the computation. We present benchmark results obtained on a variety of platforms and employ a range of error mitigation techniques to address coherent and incoherent noise. By comparing these mitigated outcomes with exact diagonalization results and density matrix renormalization group calculations, we assess the effectiveness of our approaches. Moreover, we demonstrate the implementation of an out-of-time-ordered correlator (OTOC) protocol using IBM's quantum computers.
Physics - High Energy Physics - Lattice Physics - Quantum Physics

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