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Force-free magnetic field in a cylindrical flux rope without a constant alpha |
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| Authors: | E Romashets M Vandas |
| Institution: | aInstitute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation of Academy of Sciences, Troitsk, Moscow Region 142190, Russia bAstronomical Institute, Academy of Sciences, Boční II 1401, 141 31 Praha 4, Czech Republic |
| Abstract: | It is generally assumed that magnetic fields inside interplanetary magnetic clouds and flux ropes in the solar photosphere are force-free. In order to model such fields, the solution of rot B =  B is commonly used where = const. But comparisons of this solutions with observations show significant difference. To treat this problem,we examine the solutions with |
| Keywords: | Magnetic clouds Cylindrical flux rope Force-free magnetic fields Solar photosphere Interplanetary magnetic field Coronal mass ejections |
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