Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X



Backward energy-flux for spherically symmetric scalar waves

Author: J. L. Synge
Journal: Quart. Appl. Math. 44 (1986), 361-365
MSC: Primary 76L05
DOI: https://doi.org/10.1090/qam/856191
MathSciNet review: 856191
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Abstract: I consider spherically symmetric scalar waves of two types: explosive waves in an infinite medium generated by a spherically symmetric source, and implosive waves in which the medium is contained inside a spherically symmetric source. The explosive waves travel outward, the implosive waves inward. Although there are exceptional cases, in general there are, at any time, shells in which the energy-flux is opposed to the sense of propagation of the waves.

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DOI: https://doi.org/10.1090/qam/856191
Article copyright: © Copyright 1986 American Mathematical Society

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