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Gaussian Distributions and Phase Space Weyl--Heisenberg Frames. (arXiv:1708.01551v1 [math-ph])
来源于:arXiv
Gaussian states are at the heart of quantum mechanics and play an essential
role in quantum information processing. In this paper we provide explicit
formulas for the expansion of a general Gaussian symbol in terms of elementary
Gaussian functions. For this purpose we introduce the notion of a "phase space
frame" associated with a Weyl-Heisenberg frame. 查看全文>>