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arXiv 1011.4641math-phmath.MP
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Gross-Pitaevskii族的局部适定性

Local well-posedness for Gross-Pitaevskii hierarchies

Zeqian Chen

摘要:

考虑$\mathbb{R}^n.$上Gross-Pitaevskii无穷线性方程族的Cauchy问题.通过在边缘密度矩阵序列的Sobolev型空间中引入(F)-范数,得到了解的局部存在唯一性和稳定性.我们也得到了解的显式时空型估计。特别地,这个(F)-范数与通常的Sobolev空间范数相容,只要初始数据被分解。

英文摘要:

We consider the Cauchy problem for the Gross-Pitaevskii infinite linear hierarchy of equations on $\mathbb{R}^n.$ By introducing a (F)-norm in certain Sobolev type spaces of sequences of marginal density matrices, we establish local existence, uniqueness and stability of solutions. Explicit space-time type estimates for the solutions are obtained as well. In particular, this (F)-norm is compatible with the usual Sobolev space norm whenever the initial data is factorized.

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