The programme to design plasma scenarios for the Spherical Tokamak for Energy
Production (STEP), a reactor concept aiming at net electricity production, seeks to exploit the …

Spherical tokamaks have many desirable features that make them an attractive choice for a
future fusion power plant. Power-plant viability is intrinsically related to plasma heat and …

In this work, we present first-of-their-kind nonlinear local gyrokinetic (GK) simulations of
electromagnetic turbulence at mid-radius in the burning plasma phase of the conceptual …

STEP is a spherical tokamak prototype power plant that is being designed to demonstrate
net electric power. The design phase involves the exploitation of plasma models to optimise …

Recent results from MAST Upgrade are presented, emphasising understanding the
capabilities of this new device and deepening understanding of key physics issues for the …

The Spherical Tokamak for Energy Production (STEP) programme is an ambitious but
challenging endeavour to design and deliver a prototype fusion power plant. It is a rapid, fast …

In this work, we present the results of first-of-their-kind nonlinear local gyrokinetic
simulations of electromagnetic turbulence at mid-radius in the burning plasma phase of the …

A gyrokinetic threshold model for pedestal width-height scaling prediction is applied to
multiple devices. A shaping and aspect-ratio scan is performed on NSTX equilibria, finding …

A quasi-linear reduced transport model is developed from a database of high-$\beta $
electromagnetic nonlinear gyrokinetic simulations performed with Spherical Tokamak for …

Fusion energy offers the potential for a near limitless source of low-carbon energy and is
often regarded as a solution for the world's long-term energy needs. To realise such a …