Sharp thresholds of global existence and blowup for a system of Schroedinger equations with combined power-type nonlinearities
Journal Article
·
· Journal of Mathematical Physics
- Department of Mathematics, School of Science, Tianjin University, Tianjin 300072 (China)
In this paper, we consider the Cauchy problem of a nonlinear Schroedinger system. Through establishing a sharp weighted vector-valued Gagliardo-Nirenberg's inequality, we find that the best constant in this inequality can be regarded as the criterion of blowup and global existence of the solutions when p=4/N. And we prove that the solutions of this system will always exist globally if p<4/N. The sharp thresholds for blowup and global existence are also obtained when 4/N{<=}p<4/(N-2){sup +}.
- OSTI ID:
- 21335933
- Journal Information:
- Journal of Mathematical Physics, Vol. 51, Issue 3; Other Information: DOI: 10.1063/1.3299309; (c) 2010 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0022-2488
- Country of Publication:
- United States
- Language:
- English
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