1) squeezed even coherent state
压缩偶相干态
1.
By keeping the frequency of non dissipative mesoscopic LC circuit a constant and its parameter varying with the step function, the quantum state of the circuit evolves to a squeezed even coherent state from the initial even coherent state.
通过保持非耗散介观LC电路的固有频率不变 ,而使电路参数作阶跃函数变化 ,就可将介观LC电路由初始的偶相干态制备到压缩偶相干态 ;在压缩偶相干态下 ,介观电路系统不仅有非经典的量子压缩效应 ,而且有非经典的反聚束效应 。
2) Even squeezed coherent state
偶压缩相干态
4) squeezed coherent state
压缩相干态
1.
Using the theoretics and properties of squeezed coherent state,the matrix elements of any power of coordinate operator for harmonic oscillator is deduced; and the result is discussed.
利用压缩相干态的理论和有关性质,导出了压缩相干态下谐振子任意次幂的坐标算符矩阵元的表达式,并对所求的结果进行了讨论。
2.
The photon statistical evolution in the process of two coupling two-level atoms interacting with the squeezed coherent state light field is investigated by means of the interacting picture and the quantum theory.
采用相互作用绘景,利用全量子化方法研究了压缩相干态光场与两个耦合二能级原子相互作用过程中,光子统计演化的规律;讨论了光场的压缩因子γ,相干振幅分量模平方|α|2、原子-场的耦合系数λ和原子间的耦合系数g对受激辐射场的平均光子数的影响,并揭示了它们之间的联系。
3.
We note that the characteristic of the single mode cavity field in a squeezed coherent state with sufficiently large amplitude is analogous to that of the single mode cavity field in a coherent state and is isomorphic to a two state particle with spin-1/2.
压缩相干态是准粒子空间的相干态 ,研究大振幅情况下的单模压缩相干态腔场 ,其特性类似于大振幅下的单模相干态腔场 ,与自旋 1/ 2的两态粒子同构 。
5) squeezed coherent-state
压缩相干态
1.
The phase properties in the system of the coupling two-level atoms interacting with squeezed coherent-state light-field is studied from the point of the Pegg-Barnett phase theory.
应用Pegg-Barnett相位理论,研究了两个耦合二能级原子与压缩相干态光场相互作用系统中光场的相位特性,着重分析了光场的相位概率分布及相位涨落,并讨论了光场相干振幅分量和压缩参量以及原子间耦合系数对场的相位性质的影响。
2.
In this paper, the photon statistical evolution in the system of two coupling two-level atoms interacting with squeezed coherent-state field is studied by the interacting picture by means of quantum theory.
该文在相互作用绘景中,用完全量子化的方法研究了压缩相干态与两个耦合二能级原子相互作用过程中,系统光子数的统计演化规律;讨论了光场压缩参量,相干振幅分量、原子-场耦合系数以及原子间耦合系数对系统平均光子数的影响,揭示了它们之间的联系。
补充资料：相干散射和非相干散射
再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下，源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中，存在一系列因素使散射过程成为非相干散射。主要的因素是：原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射，源函数是相当复杂的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条