Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4612708 | Journal of Differential Equations | 2006 | 18 Pages |
Abstract
Lower bounds on the rate of decrease in time of a uniform radius of spatial analyticity for solutions of the derivative Schrödinger equation are derived. The bounds depend algebraically on time. They are valid as long as the initial datum is of order one in L2-norm and satisfies suitable spatial decay requirements on the real axis.
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