Linear analysis of the effect of shaping on Trapped Electron Mode instability: from a reduced model to gyro-kinetics

Key Points

• Trapped electron mode instability is notably influenced by shaping parameters, enhancing stability.
• The study shows critical shifts in instability characteristics with changes in shaping, providing key insights.
• Employing a linear analysis approach, a reduced model is developed to understand the mechanisms involved.
• These findings highlight the importance of design choices in improving plasma conditions for fusion applications.