We Study lower bounds of decay (or of growth) order in time for solutions to the Cauchy problem for the Schrodinger equation: where f is a linear or non-linear complex-valued function. Under some conditions on f and φ, it is shown that every nontrivial solution u has the estimate for sufficiently large k>0 and for any q∈[2, ∞]. In the previous work  of the first named author, we imposed on the assumption that u is asymptotically free. In this article, however, we shall show the assumption is, in fact, irrelevant to the results.
|Number of pages||13|
|Journal||Publications of the Research Institute for Mathematical Sciences|
|Publication status||Published - 1989|
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