ARDC Research Link Australia

ORCID Profile
Orcid icon. 0000-0002-5653-6934

Current Organisations
University of Tokyo , Università Cattolica del Sacro Cuore Facoltà di Medicina e Chirurgia , Azienda Ospedaliero Universitaria Foggia , 核融合科学研究所/National Institute for Fusion Science

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Publications

Publication

General anaesthesia versus local anaesthesia for carotid surgery (GALA): a multicentre, randomised controlled trial

Publisher: Elsevier BV

Date: 12-2008

DOI: 10.1016/S0140-6736(08)61699-2

Publication

Simulation of convective transport during frequency chirping of a TAE using the MEGA code

Publisher: IOP Publishing

Date: 03-02-2022

DOI: 10.1088/1741-4326/AC49AB

Abstract: We present a procedure to examine energetic particle phase-space during long range frequency chirping phenomena in tokamak plasmas. To apply the proposed method, we have performed self-consistent simulations using the MEGA code and analyzed the simulation data. We demonstrate a traveling wave in phase-space and that there exist specific slices of phase-space on which the resonant particles lie throughout the wave evolution. For non-linear evolution of an n = 6 toroidicity-induced Alfvén eigenmode (TAE), our results reveal the formation of coherent phase-space structures (holes/clumps) after coarse-graining of the distribution function. These structures cause a convective transport in phase-space which implies a radial drift of the resonant particles. We also demonstrate that the rate of frequency chirping increases with the TAE d ing rate. Our observations of the TAE behavior and the corresponding phase-space dynamics are consistent with the Berk–Breizman theory.