Identification of a magnetohydrodynamic trigger for plasma explosions in magnetic fusion beyond existing paradigms.

ABSTRACT: In magnetic-fusion devices, magnetohydrodynamic (MHD) disturbances such as edge-localized modes (ELMs) have interesting similarities to explosive dynamical events observed in space. Various models for the mechanisms triggering such disturbances have been proposed. However, current studies have focused on developing methods for controlling such effects based on empirical scaling. Although unanswered questions remain regarding ITER, diverse viewpoints beyond the current paradigm can provide a deeper understanding, even for widely accepted answers. Herein, we define the triggering time of an ELM using precise diagnostics to eliminate the uncertainty that can accompany the determination of causal relationships. This has enabled us to identify a precursor MHD with tearing parity (poloidal/toroi

SUBMITTER: Kamiya K 

PROVIDER: S-EPMC12373856 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature