Semiclassical Limit of Nonlinear Schrodinger Equation (II) |
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Authors: | Ping Zhang |
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Abstract: | In this paper, we use the Wigner measure approach to study the semiclassical limit of nonlinear Schrödinger equation in small time. We prove that: the limits of the quantum density: ρ^∈ =: |ψ^∈|² and the quantum momentum: J^∈ =: ∈Im(overline{ψ^∈}∇ψ^∈) satisfy the compressible Euler equations before the formation of singularities in the limit system. |
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Keywords: | Schrödinger compressible Euler Wigner transformation Wigner Measure |
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