The stability of small flux tubes |
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| Authors: | Zhang Jun Wang Jingxiu |
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| Institution: | (1) Beijing Astronomical Observatory, Chinese Academy of Sciences, Beijing , 100080, China |
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| Abstract: | We have investigated the influence of stationary velocity fields, twists of the field lines and changes of gas pressure within flux tubes on the interchange instability of magnetic flux tubes. A small flux tube is found to be stable. All three factors mentioned above can stabilize tubes with all fluxes. We estimate that, for the solar case, a change of gas pressure in flux tubes plays an important role in stabilizing magnetic flux tube. |
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