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	1. Entanglement, purity, and fidelity in the anisotropy (1/2,1) mixed-spin system
	Zhe Sun,Xiaoguang Wang,Heng-Na Xiong
	Physics 09 January 2009
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:We study entanglement, purity and fidelity in the anisotropy (1/2,1) mixed-spin Heisenberg chain. We find that negativity, as a measure of entanglement, displays a dip at the SU(2) isotropic point of the system, which is in contrast to the peak appearance of concurrence in the spin-1/2 XXZ chain. Moreover, at the isotropic point, purity gives a minimum, while the mixed-state fidelity susceptibility emerges a maximum.
	TO cite this article:Zhe Sun,Xiaoguang Wang,Heng-Na Xiong. Entanglement, purity, and fidelity in the anisotropy (1/2,1) mixed-spin system[OL].[ 9 January 2009] http://en.paper.edu.cn/en_releasepaper/content/27589


	2. The Spin Model of Electron and Proton and Unified Calculation of Quantum Constants
	Wu Mengqi and Wu Wei,Wei Wu
	Physics 12 March 2007
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (0 B)

	Abstract:Abstract: Based on the concept that the electron and proton are manacled by own magnetic field，a Resonance Ring Model for spin of electron and proton and new calculation method of quantum constants are described. Many essential parameters for spin of electron and proton are obtained. The calculation results of quantum constants go all the way with known results of calculation and experiment, and that the correlations of quantum constants are showed in more detail. Further, a neutron model, an annihilation mechanism of particle-antiparticle and the new concept that spin velocity is an Intrinsic Velocity are put forward. An attestation that the faster than light of intrinsic velocity is independent of the relativistic bound is given.
	TO cite this article:Wu Mengqi and Wu Wei,Wei Wu. The Spin Model of Electron and Proton and Unified Calculation of Quantum Constants[OL].[12 March 2007] http://en.paper.edu.cn/en_releasepaper/content/11373

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