On global existence for the stochastic nonlinear Schrödinger equation with time-dependent linear loss/gain
Lijun Miao , Jingwei Yu , Linlin Qiu
Electronic Research Archive ›› 2025, Vol. 33 ›› Issue (6) : 3571 -3583.
This paper was focused on global existence for the stochastic nonlinear Schrödinger equation with time-dependent loss/gain, which read idu + (∆u + λ|u|α u + ia(t)u)dt = dW. We proved the global existence and uniqueness of the solution in $H^{1}\left(\mathbb{R}^{N}\right)$ through the uniform boundedness of the momentum and energy functionals. The global existence result of the solution for this type of equation depended on the ranges of time-dependent loss/gain coefficient.
stochastic nonlinear Schrödinger equation / global existence / time-dependent loss/gain / additive noise / energy space
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