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A Cox process involved in the Bose-Einstein condensation

机译:玻色-爱因斯坦凝聚过程涉及的Cox过程

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摘要

The point process corresponding to the configurations of bosons in standard conditions is a Cox process driven by the square norm of a centered Gaussian process. This point process is infinitely divisible. We point out the fact that this property is preserved by the Bose-Einstein condensation phenomenon and show that the obtained point process after such a condensation occured, is still a Cox process but driven by the square norm of a shifted Gaussian process, the shift depending on the density of the particles. This law provides an illustration of a "super"- Isomorphism Theorem existing above the usual Isomorphism Theorem of Dynkin available for Gaussian processes.
机译:与标准条件下玻色子的构型相对应的点过程是中心居高斯过程的平方范数驱动的Cox过程。这一点过程是无限可分割的。我们指出了该性质被玻色-爱因斯坦凝聚现象所保留的事实,并表明发生这种凝聚之后所获得的点过程仍然是一个Cox过程,但受移位的高斯过程的平方范数驱动,该移位取决于颗粒的密度该定律说明了存在于高斯过程的通常的Dynkin同构定理之上的“超”-同构定理。

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