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arXiv 0806.1027math-phcond-mat.stat-mechmath.DSmath.MP
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关于量子对偶BBGKY族的初值问题

On the Initial-Value Problem to the Quantum Dual BBGKY Hierarchy

G. Borgioli, V. Gerasimenko

摘要:

我们开发了一个严格的形式主义的描述的量子系统中的粒子的可观测量的演变。我们构造了量子对偶BBGKY方程族的初值问题的一个解,作为粒子团簇的扩展,其演化由多个粒子的演化算子的相应阶的对偶累积量(对偶半不变)控制。对于有界算子序列空间中的初值,证明了存在唯一性定理。

英文摘要:

We develop a rigorous formalism for the description of the evolution of observables in quantum systems of particles. We construct a solution of the initial-value problem to the quantum dual BBGKY hierarchy of equations as an expansion over particle clusters whose evolution are governed by the corresponding-order dual cumulant (dual semi-invariant) of the evolution operators of finitely many particles. For initial data from the space of sequences of bounded operators the existence and uniqueness theorem is proved.

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