Properties of the Lindemann Mechanism in Phase Space

Details Properties of the Lindemann Mechanism in Phase Space Properties of the Lindemann Mechanism in Phase Space

2010-03-18

arxiv.org/abs/1003.3692v1

E. J. Qualitative Theory of Diff. Equ., No. 8. (2011), pp. 1-31

Mathematics

Dynamical Systems

27 pages, 6 figures

Scientific paper

We study the planar and scalar reductions of the nonlinear Lindemann mechanism of unimolecular decay. First, we establish that the origin, a degenerate critical point, is globally asymptotically stable. Second, we prove there is a unique scalar solution (the slow manifold) between the horizontal and vertical isoclines. Third, we determine the concavity of all scalar solutions in the nonnegative quadrant. Fourth, we establish that each scalar solution is a centre manifold at the origin given by a Taylor series. Moreover, we develop the leading-order behaviour of all planar solutions as time tends to infinity. Finally, we determine the asymptotic behaviour of the slow manifold at infinity by showing that it is a unique centre manifold for a fixed point at infinity.

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