On the Cauchy problem of 3-D energy-critical Schrödinger equations with subcritical perturbations |
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Authors: | Xiaoyi Zhang |
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Institution: | Academy of Mathematics and System Sciences, Chinese Academy of Sciences, East Road, No. 55, Zhong Guan Cun, Hai Dian District, Beijing 100080, PR China |
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Abstract: | We investigate the global well-posedness, scattering and blow up phenomena when the 3-D quintic nonlinear Schrödinger equation, which is energy-critical, is perturbed by a subcritical nonlinearity λ1p|u|u. We find when the quintic term is defocussing, then the solution is always global no matter what the sign of λ1 is. Scattering will occur either when the perturbation is defocussing and or when the mass of the solution is small enough and . When the quintic term is focusing, we show the blow up for certain solutions. |
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