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Scholars Journal of Physics, Mathematics and Statistics
Volume-6; - Issue-08
2-D Discrete Open Quantum Walk and Its Entropy
Qi Han, Zhihe Chen, Ziqiang Lu
Sch J Phys Math Stat | 139-144
DOI : 10.21276/sjpms.2019.6.8.2
In this paper, the two-dimensional discrete time open quantum walk and its quantum entropy are studied. The
connection and difference between classical random walk and open quantum random walk are introduced through two
examples. Furthermore, the quantum entropy and other properties of these two examples have also been studied.
Keywords: Two-dimensional， quantum entropy， open quantum walk.
The Number of Limit Cycles for a Class of Quintic Polynomial Systems
Li Wei, Weigang Liu
Sch J Phys Math Stat | 145-150
DOI : 10.21276/sjpms.2019.6.8.3
This paper mainly uses the classical method of qualitative theory of ordinary differential equations to qualitatively
analyze a class of planar fifth-order polynomial systems. The successor function method is used to analyze the
system's fine focus. The center of the system is judged by the principle of symmetry. The Hopf branch theory is used
to analyze the existence of the limit cycle under different parameters.
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