English
Related papers

Related papers: Indirect nonlinear interaction between toroidal Al…

200 papers

It is well known that electron-electron interaction in disordered systems leads to logarithmically divergent Altshuler-Aronov corrections to conductivity at low temperatures ($T\tau\ll 1$; $\tau$ is the elastic mean-free time). This paper…

Condensed Matter · Physics 2009-11-07 Gabor Zala , B. N. Narozhny , I. L. Aleiner

Studies of QCD phase transition signals are often conducted under spatially uniform temperature conditions. However, the influence of spatial temperature gradients on the signals emerging at the phase interface in the fireball generated by…

High Energy Physics - Phenomenology · Physics 2026-03-06 Lijia Jiang , Tao Yang , Jun-Hui Zheng

We investigate driven wave turbulence in non-Abelian plasmas, in the framework of kinetic theory where both elastic and inelastic processes are considered in the small angle approximation. The gluon spectrum, that forms in the presence of a…

High Energy Physics - Phenomenology · Physics 2017-09-13 Yacine Mehtar-Tani

Interfaces impede heat flow in micro/nanostructured systems. Conventional theories for interfacial thermal transport were derived based on bulk phonon properties of the materials making up the interface without explicitly considering the…

Ion-gyroradius-scale microinstabilities typically have a frequency comparable to the ion transit frequency. Due to the small electron-to-ion mass ratio and the large electron transit frequency, it is conventionally assumed that passing…

First nonlinear gyrokinetic simulations of microtearing modes in the core of a MAST case are performed on two surfaces of the high-collisionality discharge used in Valovi\v{c} et al. Nucl. Fusion 51.7 (2011) to obtain the favorable energy…

Plasma Physics · Physics 2023-08-31 M. Giacomin , D. Dickinson , D. Kennedy , B. S. Patel , C. M. Roach

With strong gradients in the pedestal of high confinement mode (H-mode) fusion plasmas, gyrokinetic simulations are carried out for the trapped electron and ion temperature gradient modes. A broad class of unconventional mode structures is…

Plasma Physics · Physics 2015-09-16 H. S. Xie , Y. Xiao

Edge-localized-mode (ELM) filaments are crucial for cross-field transport at the tokamak edge; yet, their dynamics are often analyzed using the cold-ion approximation, despite experimental data indicating that Ti~Te . This study employs a…

Plasma Physics · Physics 2026-04-06 Souvik Mondal , Nirmal Bisai , Abhijit Sen , Indranil Bandyopadhyay

We present a comprehensive study on enhancing the thermoelectric (TE) performance of bilayer graphene (BLG) through irradiation with arbitrarily polarized light, focusing on $AA$- and $AB$-stacked configurations with zigzag edges. Utilizing…

Mesoscale and Nanoscale Physics · Physics 2024-09-25 Cynthia Ihuoma Osuala , Tanu Choudhary , Raju K. Biswas , Sudin Ganguly , Santanu K. Maiti

Nontrivial topology in physical systems is the driving force behind many phenomena. Notably, phases of matter must be classified in part by their topological properties. Phases with topological order (TO), such as the fractional quantum…

Optics · Physics 2022-08-09 Frane Lunić

The generation of large-scale zonal flows by small-scale electrostatic drift waves in electron temperature gradient(ETG) driven turbulence model is considered. The generation mechanism is based on the modulational instability of a finite…

Plasma Physics · Physics 2015-06-26 Yu. A. Zaliznyak , A. I. Yakimenko , V. M. Lashkin

The quasilinear intrinsic parallel flow drive including parallel residual stress, kinetic stress, cross Maxwell stress and parallel turbulent acceleration by electromagnetic ion temperature gradient (ITG) turbulence is calculated…

Plasma Physics · Physics 2017-01-04 Shuitao Peng , Lu Wang , Yuan Pan

Understanding the interaction mechanisms between large-scale magnetohydrodynamic instabilities and small-scale drift-wave microturbulence is essential for predicting and optimizing the performance of magnetic confinement based fusion energy…

Plasma Physics · Physics 2016-09-14 Olivier Izacard , Christopher Holland , Spencer D. James , Dylan P. Brennan

A new Self-Organized Criticality (SOC) model is introduced in the form of a Cellular Automaton (CA) for ion temperature gradient (ITG) mode driven turbulence in fusion plasmas. Main characteristics of the model are that it is constructed in…

Plasma Physics · Physics 2015-05-19 Heinz Isliker , Theophilos Pisokas , Dafni Strintzi , Loukas Vlahos

We report the first experimental detection of a zero-frequency fluctuation that is pumped by an Alfv\`en mode in a magnetically confined plasma. Core-localized bidirectional Alfv\`en modes of frequency inside the toroidicity-induced gap…

We demonstrate that the terahertz/infrared radiation induced photogalvanic effect, which is sensitive to the surface symmetry and scattering details, can be applied to study the high frequency conductivity of the surface states in…

In this work, we present the first global gyrokinetic simulations of the ITER baseline scenario operating at 15 MA using GENE-Tango electrostatic and electromagnetic simulations. The modeled radial region spans close to the magnetic axis up…

We present the first experimental measurements of the toroidal mode number of shear Alfv\'en waves in the TJ-II stellarator. A series of experiments were carried out in three different magnetic configurations to investigate counter-NBI…

We present a modified gyrokinetic theory to predict the critical gradient that determines the linear onset of the ion temperature gradient (ITG) mode in stellarator plasmas. A coarse-graining technique is applied to the drift curvature,…

Plasma Physics · Physics 2022-08-16 G. T. Roberg-Clark , G. G. Plunk , P. Xanthopoulos

We investigate the linear theory of the ion-temperature-gradient (ITG) mode, with the goal of developing a general understanding that may be applied to stellarators. We highlight the Wendelstein 7X (W7-X) device. Simple fluid and kinetic…

Plasma Physics · Physics 2014-03-26 G. G. Plunk , P. Helander , P. Xanthopoulos , J. W. Connor