Ground state mass concentration in the L^2-critical nonlinear Schrodinger equation below H^1

Jim Colliander, Sarah Raynor, Catherine Sulem +1

We consider finite time blowup solutions of the $L^2$-critical cubic focusing nonlinear Schrödinger equation on ${\mathbb{R}}^2$. Such functions, when in $H^1$, are known to concentrate a fi…