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Simulation of Field-induced Chiral Phenomena in Inhomogeneous Superconductivity

In: Sustained Simulation Performance 2021

Author

Listed:
  • Hirono Kaneyasu

    (University of Hyogo, Graduate School of Science)

  • Kouki Otsuka

    (University of Hyogo, Graduate School of Science)

  • Singo Haruna

    (University of Hyogo, Graduate School of Science)

  • Shinji Yoshida

    (Osaka University, Graduate School of Information Science and Technology)

  • Susumu Date

    (Osaka University, Cybermedia Center)

Abstract

We explain the field-induced chiral phenomena in inhomogeneous superconductivity and perform a computational simulation to demonstrate such phenomena on the basis of the Ginzburg–Landau equation for the inhomogeneous interface superconductivity of a eutectic system. Field-induced chiral phenomena occur because of the paramagnetic coupling of an intrinsic magnetization with an external magnetic field. Applying a magnetic field to a non-chiral state leads to a field-induced chiral transition with the generation of a paramagnetic chiral current. Numerically solving the aforementioned equation yields converged solutions and output numerical data obtained through an iterative process. The actual time for this calculation can be distinctly reduced through acceleration via code optimization that is suitable for vector parallelization. Reducing the calculation time makes it possible to extend the simulation to lower temperatures where the inhomogeneous superconductivity spreads to a greater distance from the interface.

Suggested Citation

  • Hirono Kaneyasu & Kouki Otsuka & Singo Haruna & Shinji Yoshida & Susumu Date, 2023. "Simulation of Field-induced Chiral Phenomena in Inhomogeneous Superconductivity," Springer Books, in: Michael M. Resch & Johannes Gebert & Hiroaki Kobayashi & Wolfgang Bez (ed.), Sustained Simulation Performance 2021, pages 37-52, Springer.
    • Handle: RePEc:spr:sprchp:978-3-031-18046-0_3
    DOI: 10.1007/978-3-031-18046-0_3
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