151 citations · 442 across the 20 of their papers we have counts for
21 papers
Dimits shift, avalanche-like bursts, and Solitary propagating structures in the two-field Flux-Balanced Hasegawa-Wakatani model for plasma edge turbulence
Di Qi, Andrew J. Majda, Antoine J. Cerfon
We show that the recently introduced two-field flux-balanced Hasegawa-Wakatani (BHW) model captures the key features of drift-wave turbulent transport mediated by zonal flows obser…
Anomalous waves triggered by abrupt depth changes: laboratory experiments and truncated KdV statistical mechanics
M. N. J. Moore, C. Tyler Bolles, Andrew J. Majda +1
Recent laboratory experiments of Bolles et al. (2019) demonstrate that an abrupt change in bottom topography can trigger anomalous statistics in randomized surface waves. Motivated…
Spatial localization for nonlinear dynamical stochastic models for excitable media
Nan Chen, Andrew J. Majda, Xin T. Tong
Nonlinear dynamical stochastic models are ubiquitous in different areas. Excitable media models are typical examples with large state dimensions. Their statistical properties are o…
Zonal Jet Creation from Secondary Instability of Drift Waves for Plasma Edge Turbulence
Di Qi, Andrew J. Majda
A new strategy is presented to explain the creation and persistence of zonal flows widely observed in plasma edge turbulence. The core physics in the edge regime of the magnetic-fu…
A Flux-Balanced Fluid Model for Collisional Plasma Edge Turbulence: Numerical Simulations with Different Aspect Ratios
Di Qi, Andrew J. Majda, Antoine J. Cerfon
We investigate the drift wave -- zonal flow dynamics in a shearless slab geometry with the new flux-balanced Hasegawa-Wakatani model. As in previous Hasegawa-Wakatani models, we ob…
A Flux-Balanced Fluid Model for Collisional Plasma Edge Turbulence: Model Derivation and Basic Physical Features
Andrew J. Majda, Di Qi, Antoine J. Cerfon
We propose a new reduced fluid model for the study of the drift wave -- zonal flow dynamics in magnetically confined plasmas. Our model can be viewed as an extension of the classic…