科研之友
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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.
- 出版日期2008-10
