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Statistical Mechanics of Coherent Ising Machine — The Case of Ferromagnetic and Finite-Loading Hopfield Models

Aonishi, Toru ; Mimura, Kazushi ; Utsunomiya, Shoko ; Okada, Masato ; Yamamoto, Yoshihisa

Journal of the Physical Society of Japan, 2017-10, Vol.86 (10), p.104002 [Periódico revisado por pares]

Tokyo: The Physical Society of Japan

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  • Título:
    Statistical Mechanics of Coherent Ising Machine — The Case of Ferromagnetic and Finite-Loading Hopfield Models
  • Autor: Aonishi, Toru ; Mimura, Kazushi ; Utsunomiya, Shoko ; Okada, Masato ; Yamamoto, Yoshihisa
  • Assuntos: Computation ; Ferromagnetism ; Iron ; Ising model ; Macroscopic equations ; Magnetism ; Mathematical models ; Optimization ; Phase transitions ; Statistical mechanics ; Statistical methods ; Statistics ; Thermodynamic equilibrium
  • É parte de: Journal of the Physical Society of Japan, 2017-10, Vol.86 (10), p.104002
  • Descrição: The coherent Ising machine (CIM) has attracted attention as one of the most effective Ising computing architectures for solving large scale optimization problems because of its scalability and high-speed computational ability. However, it is difficult to implement the Ising computation in the CIM because the theories and techniques of classical thermodynamic equilibrium Ising spin systems cannot be directly applied to the CIM. This means we have to adapt these theories and techniques to the CIM. Here we focus on a ferromagnetic model and a finite loading Hopfield model, which are canonical models sharing a common mathematical structure with almost all other Ising models. We derive macroscopic equations to capture nonequilibrium phase transitions in these models. The statistical mechanical methods developed here constitute a basis for constructing evaluation methods for other Ising computation models.
  • Editor: Tokyo: The Physical Society of Japan
  • Idioma: Inglês
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