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9 papers · 2 filters
On the partial wave amplitude of Coulomb scattering in three dimensions
Qiong-gui Lin
The partial wave series for the Coulomb scattering amplitude in three dimensions is evaluated in a very simple way to give the closed result.
A necessary and sufficient criterion for multipartite separable states
Shengjun Wu, Xuemei Chen, Yongde Zhang
We present a necessary and sufficient condition for the separability of multipartite quantum states, this criterion also tells us how to write a multipartite separable state as a c…
A New Method to Derive Low-Lying N-dimensional Quantum Wave Functions by Quadratures Along a Single Trajectory
R. Friedberg, T. D. Lee, W. Q. Zhao
We present a new method to derive low-lying N-dimensional quantum wave functions by quadrature along a single trajectory. The N-dimensional Schroedinger equation is cast into a ser…
Multipartite pure-state entanglement and the generalized GHZ states
Shengjun Wu, Yongde Zhang
We show that not all 4-party pure states are GHZ reducible (i.e., can be generated reversibly from a combination of 2-, 3- and 4-party maximally entangled states by local quantum o…
Two-mode Nonlinear Coherent States
Xiao-Guang Wang
Two-mode nonlinear coherent states are introduced in this paper. The pair coherent states and the two-mode Perelomov coherent states are special cases of the two-mode nonlinear coh…
Nonlinear Decoherence in Quantum State Preparation of a Trapped Ion
Le-Man Kuang, Hao-Sheng Zeng, Zhao-Yang Tong
We present a nonlinear decoherence model which models decoherence effect caused by various decohereing sources in a quantum system through a nonlinear coupling between the system a…