A Schrödinger equation with time-oscillating nonlinearity
A Schrödinger equation with time-oscillating nonlinearity
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DOI:
10.1007/s13163-009-0018-7
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发表时间:
2010-07
期刊:
影响因子:
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通讯作者:
T. Cazenave;M. Scialom
中科院分区:
文献类型:
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作者:
T. Cazenave;M. Scialom
In this paper, we consider the nonlinear Schrödinger equationiut+Δu+θ(ωt)|u|αu=0 in ℝNwhereαis anH1-subcritical exponent andθis a periodic function. We show that, for a given initial conditionu(t0)=φ∈H1(ℝN), the solutionuconverges as |ω|→∞ to the solution of the limiting equationiUt+ΔU+I(θ)|U|αU=0 with the same initial condition, whereI(θ) is the average ofθ. We also show that if the limiting solutionUis global and has a certain decay property ast→∞, thenuis also global if |ω| is sufficiently large.