Project supported by the Natural Science Foundation of Hunan Province,China(Grant No.2017JJ2214);the Key Project Foundation of the Education Department of Hunan Province,China(Grant No.14A114
We provide a measure to characterize the non-Gaussianity of phase-space function of bosonic quantum states based on the cumulant theory. We study the non-Gaussianity dynamics of two-mode squeezed number states by anal...