A use of the central limit theorem to obtain a classical limit for the center-of-mass tomogram

Details A use of the central limit theorem to obtain a classical limit for the center-of-mass tomogram A use of the central limit theorem to obtain a classical limit for the center-of-mass tomogram

2009-04-07

arxiv.org/abs/0904.1177v1

Physica Scripta 80 (2009) 025006

Physics

Quantum Physics

7 pages

Scientific paper

We investigate the dependence of the center-of-mass tomogram of a system with many degrees of freedom $N$ on the Planck constant $\hbar $. It is shown that to use the central limit theorem under taking the limit $N\to +\infty $ one should keep the energy of the system to be constant. In the case, the resulting distribution is Gaussian if the initial distribution is a product of independent excited states of a quantum oscillator or even and odd coherent states either. Then, if one turns the Planck constant $\hbar \to 0$ we get $\delta $-function associated with the distribution concentrated in zero with the probability equal to one.

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