Abstract
Two variational principles are known for the problem of stellar oscillations. The meaning of these variational functionals is considered as well as implications for the definition of the canonical energy density and energy flux.
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References
Chandrasekhar, S. and Lebovitz, N.R. 1964, Ap. J., 140, 1517.
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Tolstoy, I. 1973, Wave Propagation, (New York: McGraw-Hill).
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© 1980 Springer-Verlag
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Smeyers, P., Weigert, A. (1980). On the definition of canonical energy density and of canonical energy flux for linear and adiabatic oscillations of a spherical star. In: Hill, H.A., Dziembowski, W.A. (eds) Nonradial and Nonlinear Stellar Pulsation. Lecture Notes in Physics, vol 125. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-09994-8_44
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DOI: https://doi.org/10.1007/3-540-09994-8_44
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