The role of zonal flows in the formation of the transport barrier in the helical plasmas is analyzed using the transport code. A set of one-dimensional transport equations is analyzed, including the effect of zonal flows. The turbulent transport coefficient is shown to be suppressed when the plasma state changes from the weak negative radial electric field to the strong positive one. This bifurcation of the turbulent transport is newly caused by the change of the damping rate of zonal flows. It is theoretically demonstrated that the damping rate of zonal flows governs the global confinement in toroidal plasmas
At and around minima or maxima of thc safety factor q, overlapping, and therefore toroidicity induce...
Gyrokinetic Vlasov simulations of the ion temperature gradient turbulence demonstrate reduction of t...
The bifurcation nature of the electrostatic structure is studied in the toroidal helical plasma of t...
The role of zonal flows (ZFs) in the formation of an internal transport barrier in a toroidal helica...
A unified transport model is proposed to study the physical mechanism for the formation of electron...
Using transport models, the impacts of trapped electrons on zonal flows and turbulence in helical fi...
Abstract. A unified transport modelling to explain electron Internal Transport Barriers (e-ITB) in h...
The differences and similarities between the internal transport barriers (ITBs) of tokamak and helic...
Turbulence and zonal flow at a transport barrier are studied with twin heavy ion beam probes in a to...
The concept of ExB flow velocity shear suppression is utterly fundamental in modern fusion research....
Gyrokinetic Vlasov simulations of the ion temperature gradient turbulence are performed in order to ...
he role of the effective helical ripple in the helical plasma confinement is analyzed using the tran...
"Collisionless long-time responses of the zonal-flow potential to the initial condition and turbulen...
"New empirical and theoretical transport models for helical confinement systems are developed based ...
Based on the electric field bifurcation model, a possibility to realize the internal transport barri...
At and around minima or maxima of thc safety factor q, overlapping, and therefore toroidicity induce...
Gyrokinetic Vlasov simulations of the ion temperature gradient turbulence demonstrate reduction of t...
The bifurcation nature of the electrostatic structure is studied in the toroidal helical plasma of t...
The role of zonal flows (ZFs) in the formation of an internal transport barrier in a toroidal helica...
A unified transport model is proposed to study the physical mechanism for the formation of electron...
Using transport models, the impacts of trapped electrons on zonal flows and turbulence in helical fi...
Abstract. A unified transport modelling to explain electron Internal Transport Barriers (e-ITB) in h...
The differences and similarities between the internal transport barriers (ITBs) of tokamak and helic...
Turbulence and zonal flow at a transport barrier are studied with twin heavy ion beam probes in a to...
The concept of ExB flow velocity shear suppression is utterly fundamental in modern fusion research....
Gyrokinetic Vlasov simulations of the ion temperature gradient turbulence are performed in order to ...
he role of the effective helical ripple in the helical plasma confinement is analyzed using the tran...
"Collisionless long-time responses of the zonal-flow potential to the initial condition and turbulen...
"New empirical and theoretical transport models for helical confinement systems are developed based ...
Based on the electric field bifurcation model, a possibility to realize the internal transport barri...
At and around minima or maxima of thc safety factor q, overlapping, and therefore toroidicity induce...
Gyrokinetic Vlasov simulations of the ion temperature gradient turbulence demonstrate reduction of t...
The bifurcation nature of the electrostatic structure is studied in the toroidal helical plasma of t...
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