Abstract
The propagation of linear Alfven waves with periods of 10–200 s from the photosphere to the solar chromosphere under the conditions of an isothermal atmosphere taking into account the amplitude-phase relationships are considered. It was found that the amplitude of the wave velocity perturbation increases and the magnetic field perturbation decreases with increasing height, while the phase difference between the perturbations tends to π/2. The so-called turning points cannot adequately characterize the energy flux of Alfven waves. This conclusion indicates that results based on the analysis of oscillation theorems must be revised. It is shown that the efficiency of wave-energy transfer increases with increasing frequency of Alfven modes (when dissipative processes are disregarded).
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