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Related papers: Three-dimensional magnetic fields of molecular clo…

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During the past decade the dynamical importance of magnetic fields in molecular clouds has been increasingly recognized, as observational evidence has accumulated. However, how a magnetic field affect star formation is still unclear.…

Astrophysics of Galaxies · Physics 2020-09-15 C. Y. Law , H. -b. Li , Z. Cao , C. -Y. Ng

Magnetic fields play an important role in producing and modifying the photospheric chemical peculiarities of intermediate-mass main sequence stars. This article discusses the basic theory and methods of measurement used to detect and…

Astrophysics · Physics 2007-05-23 G. A. Wade

Not much is currently known about how galaxy interactions affect an evolution of galactic magnetic fields. Here, for the first time, we explore a global evolution of magnetic fields with the advance of interaction process.

Cosmology and Nongalactic Astrophysics · Physics 2012-01-20 Robert T. Drzazga , Krzysztof T. Chyzy , Wojciech Jurusik

We discuss the evolution of cosmological magnetic fields from the early universe to the present. We review different scenarios for magnetogenesis in the early universe and follow the subsequent evolution of these fields as the universe…

Astrophysics · Physics 2007-05-23 Angela V. Olinto

This article briefly reviews our current understanding of the evolution of magnetic fields in neutron stars, which basically defines the evolutionary pathways between different observational classes of neutron stars. The emphasis here is on…

High Energy Astrophysical Phenomena · Physics 2017-09-27 Sushan Konar

We present our current understanding of the formation and early evolution of protostars, protoplanetary disks, and the driving of outflows as dictated by the interplay of magnetic fields and partially ionized gas in molecular cloud cores.…

Solar and Stellar Astrophysics · Physics 2022-09-29 Yusuke Tsukamoto , Anaëlle Maury , Benoît Commerçon , Felipe O. Alves , Erin G. Cox , Nami Sakai , Tom Ray , Bo Zhao , Masahiro N. Machida

A fully three-dimensional (3D) magnetohydrodynamical (MHD) model is applied to simulate the evolution of the large-scale magnetic field in cluster galaxies interacting with the intra-cluster medium (ICM). As the model input we use a time…

Astrophysics · Physics 2011-05-23 K. Otmianowska-Mazur , B. Vollmer

Magnetic fields are ubiquitously observed in the interstellar medium (ISM) of present-day star-forming galaxies with dynamically relevant energy densities. Using three-dimensional magneto-hydrodynamic (MHD) simulations of the supernova (SN)…

The role played by magnetic field during star formation is an important topic in astrophysics. We investigate the correlation between the orientation of star-forming cores (as defined by the core major axes) and ambient magnetic field…

Interstellar magnetic fields influence all stages of the process of star formation, from the collapse of molecular cloud cores to the formation of protostellar jets. This requires us to have a full understanding of the physical properties…

Astrophysics · Physics 2009-11-13 Cecilia Pinto , Daniele Galli , Francesca Bacciotti

Magnetic field is ubiquitous in the Universe and it plays essential roles in various astrophysical phenomena, yet its real origin and evolution are poorly known. This article reviews current understanding of magnetic fields in the…

Although indirect evidence for the presence of magnetic fields in high-mass stars is regularly reported in the literature, the detection of these fields remains an extremely challenging observational problem. We review the recent…

Astrophysics · Physics 2007-05-23 S. Hubrig

A combination of observation, theory, modeling, and laboratory plasma experiments provides a multifaceted approach to develop a much greater understanding of how magnetic fields arise in galactic settings and how these magnetic fields…

Astrophysics of Galaxies · Physics 2009-02-23 A. Lazarian , S. Boldyrev , C. Forest , J. Sarff , P. Terry

The evolution of the magnetic field is investigated for isolated as well as binary neutron stars. The overall nature of the field evolution is seen to be similar for an initial crustal field and an expelled flux. The major uncertainties of…

Astrophysics · Physics 2007-05-23 Sushan Konar , Dipankar Bhattacharya

We investigate the evolution of magnetic fields in galaxy clusters starting from constant primordial fields using highly resolved ($\approx \rm 4 ~kpc$) cosmological MHD simulations. The magnetic fields in our sample exhibit amplification…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-27 Paola Domínguez-Fernández , Franco Vazza , Marcus Brüggen , Gianfranco Brunetti

We present results from three-dimensional (3-D) numerical simulations investigating the magnetohydrodynamics of cloud-wind interactions. The initial cloud is spherical while the magnetic field is uniform and transverse to the cloud motion.…

Astrophysics · Physics 2007-05-23 G. Gregori , Francesco Miniati , Dongsu Ryu , T. W. Jones

Striations are diffuse, linear, quasi-periodic, and magnetized structures located in the outskirts of molecular clouds. These structures seem to play an important role during the earliest stages of star formation. Theoretical models suggest…

Astrophysics of Galaxies · Physics 2025-09-03 Raphael Skalidis , Konstantinos Tassis , Aris Tritsis , Paul F Goldsmith

A 2D dynamic model is utilized to investigate star formation in rotating filamentary molecular clouds (FMCs) amidst magnetic fields. The study reveals that the emergence of field stars is possible under both weak and strong magnetic fields…

Astrophysics of Galaxies · Physics 2024-05-31 Ashok Mondal

Magnetic fields are one of most concealed components of the universe. They are observed as part of the intergalactic medium and on galaxy cluster scales, however their origin and evolution is unclear. In this work we use the IllustrisTNG…

Astrophysics of Galaxies · Physics 2023-05-04 Agustín M. Rodríguez-Medrano , Federico A. Stasyszyn , Dante J. Paz , Volker Springel

Context: Filaments are common features in molecular clouds and they play a key role in star formation (SF). Studying their life cycle is essential to fully understand the SF process. Aims: We aim to characterise the impact of magnetic field…

Astrophysics of Galaxies · Physics 2025-05-07 Paolo Suin , Doris Arzoumanian , Annie Zavagno , Patrick Hennebelle