spin density operator 自旋密度算符
probability current density operator 概率流密度算符
reduce density operator 约化密度算符
current density operator 流密度算符
particle density operator 粒子密度算符
density operator expansion 密度算符展开
probability density operator 概率密度算符
reduced atomic density operator 原子的约化密度算符
The quantum pure state and mixed state are the most important quantum states in quantum information. They are the foundation of studying density operator,quantum entanglement and quantum decoherence.
量子纯态和混合态是量子信息中最重要的两种量子态,是研究密度算符、量子纠缠态和量子消相干的基础。
参考来源 - 量子纯态与混合态中力学量测量研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Using it we can conveniently and simply convert a ME into its corresponding differential equation and from solution of which we can extract the reduced density operator.
该方法能方便、简洁地将密度主方程转化为对应的普通微分方程，并能从微分方程的解中提取出约化密度算符。
The evolution opera tor, the reduce density operator and the dynamical properties of the field entropy evolution in the intensity - dependent coupling multiphoton J - C model are studied.
研究了依赖强度耦合多光子J—C模型的演化算符，约化密度算符及其场熵特性。
In the quantum statistical theory, the density operator is introduced in the statistical system. The expectation value of an obeservable can be obtained by the use of the density operator.
在量子统计中，对统计系综引入了密度算符，力学量的平均值可以利用密度算符求出。
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