Reduced model for fast magnetosonic wave propagation and absorption in fusion plasmas

Lunedì 30 marzo 2026, con inizio alle ore 15:00, presso l’Aula T del DFA, il Dott. Vittorio Francalanza terrà un seminario dal titolo Reduced model for fast magnetosonic wave propagation and absorption in fusion plasmas: a stochastic approach in a density-fluctuating Divertor Tokamak Test plasma scenario.

Il seminario appartiene al ciclo Young Physicists to Young Physicists (YP2), organizzato dai Rappresentanti del Dottorato in Fisica.

Abstract: Controlled thermonuclear fusion aims to reproduce on Earth the same process that powers the Sun. In magnetic confinement devices such as tokamaks, Ion Cyclotron Resonance Heating (ICRH) is a key technique used to heat the plasma by launching electromagnetic waves that transfer energy to the ions. However, turbulence and instabilities near the antenna can produce local density fluctuations, affecting wave propagation and antenna–plasma coupling.
In this seminar, I will present a reduced model to assess the impact of density fluctuations on the propagation and absorption of fast magnetosonic waves in fusion plasmas. The approach combines the Invariant Imbedding Method to evaluate transmitted, reflected, and absorbed wave power with a stochastic description of localized density fluctuations and Monte Carlo ensemble simulations. Applications to the Italian Divertor Tokamak Test (DTT) project will also be discussed.