Thermal effect on the pulses of the rotating Sun |
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| Authors: | G C Das Smriti Sarkar B Karmakar |
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| Institution: | (1) Plasma Physics Group, Department of Mathematics, Jadavpur University, Calcutta, India |
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| Abstract: | In this paper, a theoretical investigation is undertaken of the group travel-time for the Sun's pulses to travel from the source of the pulse to the solar surface. For mathematical simplicity, we consider a simple ionized model of the Sun that includes the thermal effect and rotation with uniform angular velocity. The expression for the group travel time gives two terms: the term arising from the linear theory which varies inversely to (2 - )1/2 and the term introduced by the thermal effect which is inversely proportional to (2-)7/2. The thermal effect variation has been shown and an estimation of the temperature of the medium has been made. Furthermore, the velocity distribution and the amplitude of the magnetic field of the wave, arising from the damping of ionized particles, have been calculated. |
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