Density Depletion in a Coronal Flux Tube Associated With Solar Radio Emission |
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| Authors: | C. S. Wu C. B. Wang Q. M. Lu |
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| Affiliation: | (1) CAS Key Laboratory of Basic Plasma Physics, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, People's Republic of China;(2) Institute for Physical Science and Technology, University of Maryland, College Park, MD, 20742;(3) CAS Key Laboratory of Basic Plasma Physics, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, People's Republic of China |
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| Abstract: | A discussion, which is motivated by recent study of solar radio emission, is presented to address the issue under what conditions the depletion of plasma density in a flux tube in the corona may take place. Two particular situations are of interest: One is that density is depleted due to the presence of beams of energetic particles, and the other is attributed to magnetic compression. The scenario discussed appears to be consistent with the occurrence type III solar radio bursts. |
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