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Related papers: Local and nonlocal parallel heat transport in gene…

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A system of nonlocal electron-transport equations for small perturbations in a magnetized plasma is derived using the systematic closure procedure of V. Yu. Bychenkov et al., Phys. Rev. Lett. 75, 4405 (1995). Solution to the linearized…

Plasma Physics · Physics 2009-11-10 A. V. Brantov , V. Yu. Bychenkov , W. Rozmus , C. E. Capjack , R. Sydora

Given the large anisotropy of transport processes in magnetized plasmas, the magnetic field structure can strongly impact heat diffusion: magnetic surfaces and cantori form barriers to transport while chaotic layers and island structures…

Plasma Physics · Physics 2022-02-08 Elizabeth J. Paul , Stuart R. Hudson , Per Helander

In laser produced plasmas, when temperature gradient is deep, local thermal transport is not dominant. Classical theory of Spitzer-Harm should not be used in this case. Instead, Fokker-Planck simulation method should be utilized. In this…

Plasma Physics · Physics 2012-11-29 Kaifeng Chen

Heat pulse propagation in $3$-D chaotic magnetic fields is studied by solving the parallel heat transport equation using a Lagrangian-Green's function (LG) method. The LG method provides an efficient and accurate technique that circumvents…

Plasma Physics · Physics 2014-09-11 D. del-Castillo-Negrete , D. Blazevski

A long standing puzzle in fusion research comes from experiments where a sudden peripheral electron temperature perturbation is accompanied by an almost simultaneous opposite change in central temperature, in a way incompatible with local…

Plasma Physics · Physics 2014-03-21 F. Sattin , D. F. Escande

A global heat flux model based on a fractional derivative of plasma pressure is proposed for the heat transport in fusion plasmas. The degree of the fractional derivative of the heat flux, $\alpha$, is defined through the power balance…

Plasma Physics · Physics 2020-01-15 Sara Moradi , Johan Anderson , Michele Romanelli , Hyun-Tae Kim , JET contributors

Distortions in the electron distribution function driven by intense temperature gradients critically influence the generation and evolution of heat flux and magnetic fields in plasmas under the condition of inertial confinement fusion.…

Plasma Physics · Physics 2025-08-26 Z. H. Chen , Z. Q. Zhao , X. H. Yang , L. R. Li , B. Zeng , Z. Li , B. H. Xu , G. B. Zhang , H. H. Ma , M. Tang , Y. Y. Ma , H. Xu , F. Q. Shao , J. Zhang

In tokamak disruptions where the magnetic connection length becomes comparable to or even shorter than the plasma mean-free-path, parallel transport can dominate the energy loss and the thermal quench of the core plasma goes through four…

Plasma Physics · Physics 2023-05-24 Jun Li , Yanzeng Zhang , Xian-Zhu Tang

We extend our previous work on the 2D Dimits transition in ion-scale turbulence (Ivanov et al. 2020) to include variations along the magnetic field. We consider a three-field fluid model for the perturbations of electrostatic potential, ion…

Plasma Physics · Physics 2022-10-14 Plamen G. Ivanov , Alexander A. Schekochihin , William Dorland

Laser produced high-energy-density plasmas may contain strong magnetic fields that affect the energy transport, which can be nonlocal. Models which describe the magnetized nonlocal transport are formally complicated and based on many…

Plasma Physics · Physics 2017-06-14 D. Del Sorbo , J. -L. Feugeas , Ph. Nicolaï , M. Olazabal-Loumé , B. Dubroca , V. Tikhonchuk

Electrodynamics of single-layer graphene is studied in the scaling regime. At any finite temperature, there is a weakly damped collective thermo-plasma polariton mode whose dispersion and wavelength dependent damping is determined…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Oskar Vafek

In modern inertial fusion experiments there is a complex interplay between non-locality and magnetisation that can greatly influence transport. In this work we use a matrix recursion method to include higher-order corrections beyond the…

Plasma Physics · Physics 2021-01-12 H. C. Watkins , R. J. Kingham

Scaling laws for ion temperature gradient driven turbulence in magnetized toroidal plasmas are derived and compared with direct numerical simulations. Predicted dependences of turbulence fluctuation amplitudes, spatial scales, and resulting…

Plasma Physics · Physics 2015-05-27 M. Barnes , F. I. Parra , A. A. Schekochihin

Coupling of electron heat conduction and magnetic field takes significant effects in inertial confinement fusion (ICF). As the nonlocal models for electron heat conduction have been developed for modeling kinetic effects on heat flux in…

Plasma Physics · Physics 2025-10-31 Xinyu Zhu , Wenqiang Yuan , Yusen Wang , Zhipeng Zhang , Xianxu Jin , Zhonghai Zhao , Bin Qiao

The plasma heating during collisionless magnetic reconnection is investigated using particle-in-cell simulations. We analyze the time evolution of the plasma temperature associated with the motion of the reconnecting flux tube, where the…

High Energy Astrophysical Phenomena · Physics 2018-11-28 Masahiro Hoshino

Parallel thermal conduction along stochastic magnetic field lines may be reduced because the heat conducting electrons become trapped and detrapped between regions of strong magnetic field (magnetic mirrors). The problem reduces to a simple…

Astrophysics · Physics 2009-10-31 Leonid Malyshkin , Russell Kulsrud

In a classical ideal plasma, a magnetic field is known to reduce the heat conductivity perpendicular to the field whereas it does not alter the one along the field. Here we show that, in strongly correlated plasmas that are observed at high…

Plasma Physics · Physics 2015-12-16 Torben Ott , Michael Bonitz , Zoltan Donko

We study the localization and decay properties as well as the thermal conductance of one-dimensional plasmons. Our model contains a Luttinger-liquid part with spatially random plasmon velocity and interaction parameter as well as a…

Strongly Correlated Electrons · Physics 2019-09-26 M. Bard , I. Protopopov , A. Mirlin

X-ray observations of hot gas in galaxy clusters often show steeper temperature gradients across cold fronts -- contact discontinuities, driven by the differential gas motions. These sharp (a few kpc wide) surface brightness/temperature…

High Energy Astrophysical Phenomena · Physics 2014-04-02 S. Komarov , E. Churazov , A. Schekochihin , J. ZuHone

We show that decaying turbulent non-helical magnetic fields satisfy a self-similarity relation according to which the relevant scales increase as time passes (inverse cascade or inverse transfer). We compute analytically quantities which…

Cosmology and Nongalactic Astrophysics · Physics 2015-11-03 P. Olesen
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