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周期轨道的量子化与量子能谱中的长程关联

Quantization of the Periodic Orbits and Long-Range Correlations in Quantum Spectra

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【作者】 李希国宋建军邢永忠左维

【Author】 LI Xi Guo 1,2 SONG Jian Jun 2 XING Yong Zhong 2 ZUO Wei 1,2 1(Research Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Collisions, Lanzhou 730000, China) 2(Institute of Modern Physics, The Chinese Academy of Sci

【机构】 兰州重离子加速器国家实验室原子核理论中心中国科学院近代物理研究所兰州重离子加速器国家实验室原子核理论中心 兰州730000中国科学院近代物理研究所兰州730000兰州730000兰州730000

【摘要】 用二维可积系统的半经典量子化方案和二维无关联振子系统的量子能级与周期轨道之间的对应关系 ,讨论了一组量子能级之间具有长程关联的内在机制 ,在二维无关联振子系统中 ,发现了具有相同拓扑M(M1 ,M2 )的周期轨道相对应的量子能级之间存在着长程关联 ,并以二维 4次无关联振子系统为例做了具体说明 .

【Abstract】 Using the classical quantization way in a two dimensional integrable system and quantized energies periodic orbits correspondence relationship, the long range correlation among the quantum lavels has been discussed in detail. Making use of Berry Tabor trace formula, the quantization conditions of the action of the periodic orbits in two dimensional integrable systems have been obtained. Furthermore, considering the periodicity conditions for the periodic orbits on reasonable torus, the correspondence relations between quantum levels and classical periodic orbits in the two dimensional uncoupled oscillators have been established. It is also shown that there exist the long range correlations among these quantum levels which correspond to the group of the classical periodic orbits with same topology M (M 1,M 2) . To concert state the new points, an example has been given.

【基金】 国家教委留校回国人员基金 ;中国科学院知识创新工程重要方向性项目基金 (KJCX2 -SW -N0 2 ) ;中国科学院“百人计划”基金;国家重点基础研究发展规划 (G2 0 0 0 774 0 0 )~~
  • 【文献出处】 高能物理与核物理 ,High Energh Physics and Nuclear Physics , 编辑部邮箱 ,2002年05期
  • 【分类号】O572.21
  • 【下载频次】53
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