On degenerate multi-dimensional dispersion laws |
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Authors: | D D Tskhakaya E I Shulman |
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Institution: | (1) Institute of Physics, Academy of Science of Georgia, Tbilisi, Georgia;(2) Center of Nonlinear Investigations, Landau Institute of Theoretical Physics, Russian Academy of Science, Russia |
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Abstract: | Degeneration of multi-dimensional dispersion laws analytic in the vicinity of zero is investigated under the assumption that
the corresponding degeneracy function satisfies a definite condition (Eq. (3)). It is proved that only two-dimensional dispersion
laws ω(p, q), whose asymptotic behavior at small p and q has some definite form (Eq. (28)), can be degenerate with respect
to the decay process 1 → 2. It is shown that the corresponding degeneracy function is unique and its asymptotic behavior is
found.
Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 112, No. 1, pp. 124–131. |
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