Abstract
We have studied the modulational stability of a finite-amplitude fast sausage magnetosonic surface wave traveling along a thin magnetic slab in the solar photosphere (chromosphere). The equation governing the evolution of the fast-wave envelope modulated by a slow wave driven by the ponderomotive force proves to be the cubic nonlinear Schrödinger equation which in photospheric conditions admits only dark envelope soliton solutions. The possibility of the existence of such solitary waves in the solar atmosphere is discussed.
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Sahyouni, W., Zhelyazkov, I. & Nenovski, P. Dark envelope solitons of fast magnetosonic surface waves in solar flux tubes. Sol Phys 115, 17–32 (1988). https://doi.org/10.1007/BF00146227
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DOI: https://doi.org/10.1007/BF00146227