中文
相关论文

相关论文: Diagnosis of 3D magnetic field and modes compositi…

200 篇论文

Direct measurements of three-dimensional magnetic fields in the interstellar medium (ISM) are not achievable. However, the anisotropic nature of magnetohydrodynamic (MHD) turbulence provides a novel way of tracing the magnetic fields.…

星系天体物理 · 物理学 2021-07-14 Yue Hu , A. Lazarian , Siyao Xu

Magnetohydrodynamic (MHD) turbulence is a crucial component of the current paradigms of star formation, dynamo theory, particle transport, magnetic reconnection and evolution of structure in the interstellar medium (ISM) of galaxies.…

星系天体物理 · 物理学 2021-10-27 Blakesley Burkhart

Magnetohydrodynamic (MHD) turbulence plays a critical role in many key astrophysical processes such as star formation, acceleration of cosmic rays, and heat conduction. However, its properties are still poorly understood. We explore how to…

高能天体物理现象 · 物理学 2024-10-30 Ru-Yue Wang , Jian-Fu Zhang , Fang Lu , Fu-Yuan Xiang

Turbulence is a complex physical process prevalent in modern physics, particularly in ionized environments like interstellar gas, where magnetic fields play a dynamic role. However, the precise influence of magnetic fields in such settings…

星系天体物理 · 物理学 2025-08-12 Guang-Xing Li , Mengke Zhao

Probing magnetic fields in the interstellar medium (ISM) is notoriously challenging. Motivated by the modern theories of magnetohydrodynamic (MHD) turbulence and turbulence anisotropy, we introduce the Structure-Function Analysis (SFA) as a…

星系天体物理 · 物理学 2021-04-21 Yue Hu , Siyao Xu , A. Lazarian

MHD Turbulence is a critical component of the current paradigms of star formation, particle transport, magnetic reconnection and evolution of the ISM, to name just a few. Progress on this difficult subject is made via numerical simulations…

星系天体物理 · 物理学 2015-05-27 Blakesley Burkhart , Alex Lazarian

3D Galactic magnetic fields are critical for understanding the interstellar medium, Galactic foreground polarization, and the propagation of ultra-high-energy cosmic rays. Leveraging recent theoretical insights into anisotropic…

星系天体物理 · 物理学 2025-07-23 Yue Hu

It is well-known that magnetohydrodynamic (MHD) turbulence is ubiquitous in astrophysical environments. The correct understanding of the fundamental properties of MHD turbulence is a prerequisite for revealing many key astrophysical…

高能天体物理现象 · 物理学 2022-03-18 Jianfu Zhang , Ruyue Wang

One of the biggest challenges in understanding Magnetohydrodynamic (MHD) turbulence is identifying the plasma mode components from observational data. Previous studies on synchrotron polarization from the interstellar medium (ISM) suggest…

星系天体物理 · 物理学 2024-08-16 Parth Pavaskar , Ka Ho Yuen , Huirong Yan , Sunil Malik

Due to the inevitable accumulation of the observed information in the direction of the line of sight, it is difficult to measure the local magnetic field of MHD turbulence. However, the correct understanding of the local magnetic field is a…

高能天体物理现象 · 物理学 2020-05-27 Jian-Fu Zhang , Ke Hu , Jungyeon Cho , Alex Lazarian

Based on magnetohydrodynamic turbulence simulations, we generate synthetic synchrotron observations to explore the scaling slope of the underlying MHD turbulence. We propose the new $Q$-$U$ cross intensity $X$ and cross-correlation…

高能天体物理现象 · 物理学 2023-07-05 Zhang Xue-Wen , Zhang Jian-Fu , Wang Ru-Yue , Xiang Fu-Yuan

We explore the structure and statistics of multiphase, magnetized ISM turbulence in the local Milky Way by means of driven periodic box numerical MHD simulations. Using the higher order-accurate piecewise-parabolic method on a local stencil…

星系天体物理 · 物理学 2017-06-19 Alexei G. Kritsuk , Sergey D. Ustyugov , Michael L. Norman

MHD Turbulence is a critical component of the current paradigms of star formation, particle transport, magnetic reconnection and evolution of the ISM. Progress on this difficult subject is made via numerical simulations and observational…

星系天体物理 · 物理学 2011-05-06 Blakesley Burkhart , Alex Lazarian

Dust polarization is a powerful tool for studying the magnetic field properties in the interstellar medium (ISM). However, it does not provide a direct measurement of its strength. Different methods havebeen developed which employ both…

星系天体物理 · 物理学 2021-04-07 Raphael Skalidis , Konstantinos Tassis

Magnetohydrodynamic (MHD) turbulence plays a central role in many astrophysical processes in the interstellar medium (ISM), including star formation and cosmic-ray transport and acceleration. MHD turbulence can be decomposed into three…

星系天体物理 · 物理学 2026-01-13 Jiyao Zhang , Yue Hu

We study compressible MHD turbulence, which holds key to many astrophysical processes, including star formation and cosmic ray propagation. To account for the variations of the magnetic field in the strongly turbulent fluid we use wavelet…

星系天体物理 · 物理学 2015-05-18 Grzegorz Kowal , Alex Lazarian

Magneto-hydrodynamic (MHD) turbulence is ubiquitous and a fundamental ingredient underlying many astrophysical phenomena. The multiphase nature of interstellar medium and diversity of driving mechanisms give rise to spatial variation of…

等离子体物理 · 物理学 2021-02-23 Heshou Zhang , Alexey Chepurnov , Huirong Yan , Kirit Makwana , Reinaldo Santos-Lima , Sarah Appleby

The interstellar turbulence is magnetized and thus anisotropic. The anisotropy of turbulent magnetic fields and velocities is imprinted in the related observables, rotation measures (RMs), and velocity centroids (VCs). This anisotropy…

星系天体物理 · 物理学 2021-04-07 Siyao Xu , Yue Hu

Faraday rotation of linearly polarized radio signals provides a very sensitive probe of fluctuations in the interstellar magnetic field and ionized gas density resulting from magnetohydrodynamic (MHD) turbulence. We used a set of…

星系天体物理 · 物理学 2015-06-03 Blakesley Burkhart , A. Lazarian , B. M. Gaensler

Based on the modern understanding of MHD turbulence theory, we propose a new method for measuring the spectral properties of magnetic turbulence by synchrotron polarization gradient analysis. Using synthetic polarization observational data,…

高能天体物理现象 · 物理学 2025-05-08 Jianfu Zhang , Ziqi Liu
‹ 上一页 1 2 3 10 下一页 ›