得到简并双光子过程中原子约化密度算符非对角元。
The non-opposite angle element of two-level atom's reducible density rectangular array is obtained.
研究了双光子非共振作用系统中纯度和密度算符间距的特性。
The time evolution properties of purity and distance between density operators in two photon non resonant interaction system 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。
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.
但由于光场与原子的纠缠和退纠缠速率加快，密度算符间距在每个周期内振荡加剧。
But due to the rate of disentanglement and entanglement between atom and field becomes more rapid, the distances oscillate more rapidly within each period.
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。
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.
在一般谱仪上容易实现，用密度算符理论对AMX体系进行理论计算，实验结果与理论预期相符。
Theoretical calculation for AMX spin system with density operators is given and coincides with the results of experiments.
方法采用两个不同态的密度算符距离函数方法，从理论上研究两个不同多模奇相干态光场之间的距离。
Methods the distance between two different multimode odd coherent state light fields was analyzed theoretically by the method of distance functions of 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。
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.
第二章给出了自发辐射诱导相干影响下的近等间隔的阶梯型三能级系统模型及其密度算符的运动方程的具体推导。
In chapter 2, we gave the nearly equispaced Ladder-type system model and the density-matrix equations in a rotating frame after taking the effects of spontaneously induced coherence into account.
利用量子力学中的密度矩阵算符理论导出了该系统中三次谐波产生的解析表达式。
An analytic representation for the third-harmonic generation along the well is derived by the density matrix operator theory of the quantum mechanics.
在本文中我们利用投影算符技巧通过刘维方程推导了系统约化密度主方程，这种方法特别适合于赝非马尔可夫的库场情况。
The master equations of a reduced system density operator , by means of the Liouville equation and the projection operators techniques have been derived.
通过不变量算子的产生和湮灭算符，得到波函数和几率密度。
The wave function and probability density are obtained by the creation and annihilation operators of the invariant operator.
通过引入了一对自共轭算符将涨落项满足的方程线性化，进而得出密度和相涨落所满足的方程。
By introducing a pair of self-conjugate operators, we may linearize the equation of fluctuation term., and get the equations of density and phase fluctuations.
通过引入了一对自共轭算符将涨落项满足的方程线性化，进而得出密度和相涨落所满足的方程。
By introducing a pair of self-conjugate operators, we may linearize the equation of fluctuation term., and get the equations of density and phase fluctuations.
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