Wendelstein 7-AS was the first modular stellarator device to test some basic elements of
stellarator optimization: a reduced Shafranov shift and improved stability properties resulted …

Strongly correlated quantum systems are among the most intriguing and fundamental
systems in physics. One such example is the Tonks–Girardeau gas,, proposed about 40 …

International collaboration on development of a stellarator confinement database has
progressed. More than 3000 data points from nine major stellarator experiments have been …

Collisionless time evolution of zonal flows in helical systems is investigated. An analytical
expression describing the collisionless response of the zonal-flow potential to the initial …

In omnigenous magnetic fields, charged particles are perfectly confined in the absence of
collisions and turbulence. For this reason, the magnetic configuration is optimized to be …

Gyrokinetic Vlasov simulations of the ion temperature gradient turbulence are performed in
order to investigate effects of helical magnetic configurations on turbulent transport and …

Differences in the electron particle and thermal transport are reported between plasmas
produced in a quasihelically symmetric (QHS) magnetic field and a configuration with the …

A collective Thomson scattering (CTS) diagnostic was developed and used to measure the
bulk and fast ions originating from 180 keV neutral beams in the Large Helical Device …

A theory for describing collisionless long-time behavior of zonal flows in helical systems is
presented and its validity is verified by gyrokinetic-Vlasov simulation. It is shown that, under …

The GENE/GIST code package is developed for the investigation of plasma microturbulence,
suitable for both stellarator and tokamak configurations. The geometry module is able to …