- 09-76 Thomas Chen, Natasa Pavlovic, Nikolaos Tzirakis
- Energy conservation and blowup of solutions for focusing Gross-Pitaevskii hierarchies
(348K, pdf file, from AMS latex.)
May 16, 09
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Abstract. We consider solutions of the focusing cubic and quintic Gross-Pitaevskii (GP) hierarchies.
We identify an observable corresponding to the
average energy per particle, and we prove that it is a conserved quantity.
We prove that all solutions to the focusing GP hierarchy at the $L^2$-critical
or $L^2$-supercritical level blow up in finite time
if the energy per particle in the initial condition is negative.
Our results do not assume any factorization of the initial data.