Effects of magnetic fields on equation of state of rotating stars

The evolution of rotating stars with magnetic fields has been studied with focus given to the following aspects： the effects of magnetic fields on equation of state for stellar matter and the thermodynamic quantities; the effects of magnetic energy and pressure on the internal structure of stars. Th...

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Bibliographic Details
Published in:Science China. Physics, mechanics & astronomy mechanics & astronomy, 2015-02, Vol.58 (2), p.109-113
Main Authors: Na, WeiWei, Lin, GuiFang, Huang, RunQian
Format: Article
Language:English
Subjects:
Astronomy
Classical and Continuum Physics
Equations of state
Helium
Magnetic fields
Observations and Techniques
Physics
Physics and Astronomy
Pulsation
Rotating
Stars
Stellar envelopes
Stellar evolution
Stellar magnetic fields
Stellar rotation
内部结构
恒星物质
恒星磁场
恒星脉动
旋转
氦燃烧
热力学量
状态方程
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Summary:The evolution of rotating stars with magnetic fields has been studied with focus given to the following aspects： the effects of magnetic fields on equation of state for stellar matter and the thermodynamic quantities; the effects of magnetic energy and pressure on the internal structure of stars. The differences between the structure and evolution of a 15M. rotating star with and without magnetic fields are discussed. Our results show that the magnetic fields have an effect on the structure and evolution of the star mainly during the central helium burning phase; and this influences the physical quantities in the stellar envelope where hydrogen and helium are partially ionized. This may influence stellar pulsation.
ISSN:1674-7348
1869-1927
DOI:10.1007/s11433-014-5489-y