Probing Nonclassicality of Two-Mode SU(2) Generator Based on Quantum Fisher Information<xref rid="ctp_70_5_552fn1" ref-type="fn">*</xref> <fn id="ctp_70_5_552fn1"> <label>*</label> <p>Supported by the National Natural Science Foundation of China under Grant No. 11365006 and the Natural Science Foundation of Guizhou Province under Grant No. QKHLHZ[2015]7767</p> </fn>

Probing Nonclassicality of Two-Mode SU(2) Generator Based on Quantum Fisher Information* *

Supported by the National Natural Science Foundation of China under Grant No. 11365006 and the Natural Science Foundation of Guizhou Province under Grant No. QKHLHZ[2015]7767

Zhang Dan¹, Zheng Qiang^{2, 3, †}, Wang Xiao-Guang^{4, ‡}

(Color online) The probability distribution of the phonon state in the Fock space at a fixed time t = 25. (a) and (b) correspond to the nonclassical state with R > 0 and the referring state with R ≈ 0, respectively. All the relevant parameters are scaled by λ = 1.