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Title:
Magnetic fields in star formation: from galaxies to stars
Authors:
Price, D. J.; Bate, M. R.; Dobbs, C. L.
Affiliation:
AA(University of Exeter, Stocker Rd, Exeter, EX4 4QL, UK (dprice@astro.ex.ac.uk).)
Publication:
Magnetic Fields in the Universe II: From Laboratory and Stars to the Primordial Universe (Eds. A. Esquivel, J. Franco, G. García-Segura, E. M. de Gouveia Dal Pino, A. Lazarian, S. Lizano, & A. Raga) Revista Mexicana de Astronomía y Astrofísica (Serie de Conferencias) Vol. 36, pp. 128-136 (2009) (http://www.astroscu.unam.mx/~rmaa/) (RMxAC Homepage)
Publication Date:
08/2009
Origin:
RMXAC
Keywords:
stars: formation, stars: pre-main sequence, magnetohydrodynamics, galaxies: magnetic fields, galaxies: spiral
Bibliographic Code:
2009RMxAC..36..128P

Abstract

Magnetic fields are important at every scale in the star formation process: from the dynamics of the ISM in galaxies, to the collapse of turbulent molecular clouds to form stars and in the fragmentation of individual star forming cores. The recent development of a robust algorithm for MHD in the Smoothed Particle Hydrodynamics method has enabled us to perform simulations of star formation including magnetic fields at each of these scales. This paper focusses on three questions in particular: What is the effect of magnetic fields on fragmentation in star forming cores? How do magnetic fields affect the collapse of turbulent molecular clouds to form stars? and: What effect do magnetic fields have on the dynamics of the interstellar medium?
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