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Two-dimensional vector vortex solitons in harmonic optical lattices are investigated. The stability properties of such solitons are closely connected to the lattice depth V0. For small V0, vector vortex solitons with the total zero-angular momentum are more stable than those with the total nonzero-angular momentum, while for large V0, this case is inversed. If V0 is large enough, both the types of such solitons are stable. 相似文献
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平行电磁场中高里德堡态锂原子自电离的半经典分析 总被引:1,自引:1,他引:0
利用Poincaré截面和标度回归谱理论对平行电磁场中高里德堡态锂原子自电离现象进行了半经典分析.并与相同条件下氢原子的相应性质进行比较,结果表明两者有很大不同,这主要是由于离子实散射引起的.从而表明离子实对非氢原子的混沌性质起着非常重要的作用. 相似文献
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