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首页> 外文期刊>Physica, E. Low-dimensional systems & nanostructures >Spectral statistics of a spin-1/2 particle in coupled quartic oscillator potentials
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Spectral statistics of a spin-1/2 particle in coupled quartic oscillator potentials

机译:四次耦合振子势中自旋1/2粒子的光谱统计

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摘要

The quantum spectral statistical properties, i.e. the nearest neighbor level spacing distribution (NNSD) and the mode fluctuation distribution of a spin-1/2 particle in three-dimensional coupled quartic oscillator potentials are numerically studied. Introducing the coupling terms, the system can be continuously transformed from an integrable to chaotic one. With use of three parameter sets, three kinds of the Gaussian ensembles can be realized. The Brody-like NNSD interpolation formula between the Poisson distribution and that of each ensemble is found to work well for the numerically obtained NNSD. (C) 2003 Elsevier Science B.V. All rights reserved. [References: 9]
机译:数值研究了三维耦合四次振子势能的量子光谱统计特性,即最近邻能级间距分布(NNSD)和自旋1/2粒子的模式波动分布。引入耦合项后,系统可以从可积到混沌。通过使用三个参数集,可以实现三种高斯合奏。发现在Poisson分布和每个整体的Podyson分布之间的类似Brody的NNSD插值公式对于通过数值获得的NNSD效果很好。 (C)2003 Elsevier Science B.V.保留所有权利。 [参考:9]

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