Liu, Q. H.; Qin, L.; Huang, X. L.; Zhang, D. Y.; Xun, D. M. Distribution of \(x \cdot p\) for quantum states on a circle. (English) Zbl 1328.81120 Int. J. Geom. Methods Mod. Phys. 12, No. 7, Article ID 1550078, 10 p. (2015). MSC: 81Q35 81Q10 53D37 34B09 47A75 PDFBibTeX XMLCite \textit{Q. H. Liu} et al., Int. J. Geom. Methods Mod. Phys. 12, No. 7, Article ID 1550078, 10 p. (2015; Zbl 1328.81120) Full Text: DOI
Liu, Q. H.; Xiao, S. F. A self-adjoint decomposition of the radial momentum operator. (English) Zbl 1312.81072 Int. J. Geom. Methods Mod. Phys. 12, No. 3, Article ID 1550028, 8 p. (2015). MSC: 81Q10 81Q12 47E05 70G10 PDFBibTeX XMLCite \textit{Q. H. Liu} and \textit{S. F. Xiao}, Int. J. Geom. Methods Mod. Phys. 12, No. 3, Article ID 1550028, 8 p. (2015; Zbl 1312.81072) Full Text: DOI