Electromagnetic waves are an inherent part of all plasmas—laboratory fusion plasmas or
astrophysical plasmas. The conventional methods for studying properties of electromagnetic …

The rise of machine learning (ML) applications and their use of mixed precision to perform
interesting science are driving forces behind AI for science on HPC. The convergence of ML …

This paper evaluates the feasibility of helicon current drive (HCD) in a hybrid scenario for the
China Fusion Engineering Test Reactor (CFETR). Utilizing the GENRAY/CQL3D package, a …

Direct solvers for dense systems of linear equations commonly use partial pivoting to ensure
numerical stability. However, pivoting can introduce significant performance overheads …

Helicon wave plasma sources have the well-known advantages of high efficiency and high
plasma density, with broad applications in many areas. The crucial mechanism lies with …

Helicon waves have been recently proposed as an off-axis current drive actuator due to their
expected high current drive efficiency in the mid-radius region in high beta tokamaks. This …

Helicon waves are thought to be promising in various tokamaks, such as DIII-D, because
they can penetrate reactor-grade high-density cores and drive the off-axis current with …

The mission of the DIII-D program is to provide a physics basis for the optimization of
tokamak operations for fusion energy production. This is done through a continuous process …

A novel quadrature Doppler Backscattering (DBS) system has been developed and
optimized for the E-band (60–90 GHz) frequency range using either O-mode or X-mode …

Both a fully noninductive steady state operation scenario and a hybrid scenario with fusion
power∼ 1 GW and fusion gain> 10 are being considered to fulfill the mission of a Chinese …