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We consider the nonlinear Schrodinger equation in three space dimensions with combined focusing cubic and defocusing quintic nonlinearity. This problem was considered previously by Killip, Oh, Pocovnicu, and Visan, who proved scattering for the whole region of the mass/energy plane where the virial quantity is guaranteed to be positive. In this paper we prove scattering in a larger region where the virial quantity is no longer guaranteed to be sign definite.
We consider the large data scattering problem for the 2D and 3D cubic-quintic NLS in the focusing-focusing regime. Our attention is firstly restricted to the 2D space, where the cubic nonlinearity is $L^2$-critical. We establish a new type of scatter
We adapt the arguments in the recent work of Duyckaerts, Landoulsi, and Roudenko to establish a scattering result at the sharp threshold for the $3d$ focusing cubic NLS with a repulsive potential. We treat both the case of short-range potentials as p
In this paper, we study the scattering theory for the cubic inhomogeneous Schrodinger equations with inverse square potential $iu_t+Delta u-frac{a}{|x|^2}u=lambda |x|^{-b}|u|^2u$ with $a>-frac14$ and $0<b<1$ in dimension three. In the defocusing case
In this article, we consider the focusing cubic nonlinear Schrodinger equation(NLS) in the exterior domain outside of a convex obstacle in $mathbb{R}^3$ with Dirichlet boundary conditions. We revisit the scattering result below ground state of Killip
The present paper is concerned with the large data scattering problem for the mass-energy double critical NLS begin{align} ipartial_t u+Delta upm |u|^{frac{4}{d}}upm |u|^{frac{4}{d-2}}u=0tag{DCNLS} end{align} in $H^1(mathbb{R}^d)$ with $dgeq 3$. In t