Publikation: Ising machines with strong bilinear coupling
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2022
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Physical Review Research. American Physical Society (APS). 2022, 4(1), 013149. eISSN 2643-1564. Available under: doi: 10.1103/PhysRevResearch.4.013149
Zusammenfassung
Networks of coupled parametric resonators (parametrons) hold promise for parallel computing architectures. En route to realizing complex networks, we report an experimental and theoretical analysis of two coupled parametrons. In contrast to previous studies, we explore the case of strong bilinear coupling between the parametrons, as well as the role of detuning. We show that the system can still operate as an Ising machine in this regime, even though careful calibration is necessary to ensure that the correct solution space is available. Apart from the formation of split normal modes, new states of mixed symmetry are generated. Furthermore, we predict that systems with N>2 parametrons will undergo multiple phase transitions before arriving at a regime that can be equivalent to the Ising problem.
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HEUGEL, Toni L., Oded ZILBERBERG, Christian MARTY, R. CHITRA, Alexander EICHLER, 2022. Ising machines with strong bilinear coupling. In: Physical Review Research. American Physical Society (APS). 2022, 4(1), 013149. eISSN 2643-1564. Available under: doi: 10.1103/PhysRevResearch.4.013149BibTex
@article{Heugel2022-02-22Ising-58449,
year={2022},
doi={10.1103/PhysRevResearch.4.013149},
title={Ising machines with strong bilinear coupling},
number={1},
volume={4},
journal={Physical Review Research},
author={Heugel, Toni L. and Zilberberg, Oded and Marty, Christian and Chitra, R. and Eichler, Alexander},
note={Article Number: 013149}
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<dcterms:abstract xml:lang="eng">Networks of coupled parametric resonators (parametrons) hold promise for parallel computing architectures. En route to realizing complex networks, we report an experimental and theoretical analysis of two coupled parametrons. In contrast to previous studies, we explore the case of strong bilinear coupling between the parametrons, as well as the role of detuning. We show that the system can still operate as an Ising machine in this regime, even though careful calibration is necessary to ensure that the correct solution space is available. Apart from the formation of split normal modes, new states of mixed symmetry are generated. Furthermore, we predict that systems with N>2 parametrons will undergo multiple phase transitions before arriving at a regime that can be equivalent to the Ising problem.</dcterms:abstract>
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