Comment On “Fragmented Metastable States Exist in an Attractive Bose-Einstein Condensate for Atom Numbers Well Above the Critical Number of the Gross-Pitaevskii Theory”

A Comment on the Letter by Lorenz S. Cederbaum, Alexej I. Streltsov, and Ofir E. Alon, [Phys. Rev. Lett. 100, 040402 (2008)].

Figure 1

(a) Time evolution of peak densities obtained by solving the GP equation with various initial ${\theta }_{lm}$. (b) Energy per atom of $|{\Psi }_{\mathrm{F}}⟩$ as a function of $n_{1,0}$ and $n_{1,1}=n_{1,-1}$ with fixed $N$. The quantities are normalized as in Ref. 1.