当然，除了极化模式色散效应，单模光纤中还存在着其它次要的非对称效应如几何相位（geometric phase）、极化相关损耗 （polarization．dependent loss）等，这些效应对光纤量子密码影响不是很大。
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...演化；循回解；几何相；Aharonov-Bohm 散射；反常磁矩 [gap=1847]Keywords：time evolution；cyclic solution；geometric phase；Aharonov-Bohm scattering；anomalous magnetic moment ..
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The uncyclic geometric phase 非闭合几何相
off-diagonal geometric phase 非对角几何相
Berry geometric phase Berry几何相
Geometric Phase Analysis 几何相位分析 ; 用几何相位分析
geometric phase gate 几何相位门
geometric phase shift 量子位相门
geometric phase factor 几何相因子
Berry's geometric phase Berry几何位相
geometric phase factors 几何相因子
Our results are included as follows:(1) We have obtained a general formula for geometric phase for Dicke model(proportional to the average photon number) and found that this ground-state geometric phase has an important relation with the superradiant quantum phase transition.
而且证明该几何相位与量子相变有着重要的关系。
参考来源 - 微腔中多体系统的新奇量子相变及其调控We also show that with the system decohering to itspointer states, the geometric phase factor tends to a sum over the phase factors pertainingto the pointer states.
研究结果也表明,随着体系向它的指示态(pointer states)的退相干,它的几何相因子在数值上也趋于其指示态相因子的加权平均。
参考来源 - 复合量子体系几何相位的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
A new geometric phase factor is defined for any cyclic evolution of a quantum system.
一个新的几何相因子被定义为任意一个量子系统的循环演化。
Compared with geometric phase gates, the procedure is simple and the fidelity may be improved.
与几何相位门相比，这种相位门更简单，并且保真度可得到进一步提高。
We have also presented an easy scheme to make the geometric phase nonadiabaticaly, and obtained the geometric phase for the single qubit.
给出了一个简易方案用以非绝热的生产几何相位，并得到了单量子位的几何相。
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