论文标题
概率密度波和概率电流密度波的形成，通过激发和衰减的三个级式异质结构的双重态在散射高斯波数据包时
Formation of probability density waves and probability current density waves by excitation and decay of a doublet of quasistationary states of a three-barrier heterostructure upon scattering of gaussian wave packets
论文作者
论文摘要
通过电子高斯波数据包的三个屏障异质结构对散射的数值分析模拟，其光谱宽度在准平稳状态的双重态度之间的距离范围内。结果表明，由于散射，电子电荷的阻尼波和电流密度在双井外形成，它们的特性取决于初始波数据包的结构和散射幅度的杆的结构。这些波的频率等于双线的差异频率，波数是电子带有共振能的电子自由运动波数之间的差，而传播的速度是这些数量的比率。如果通过散射一系列相干波数据包的散射提供了对双线群体的周期性谐振泵，则该系统可以进入电子波的发射的重复或放大。
A numerical-analytical simulation of scattering by a three-barrier heterostructure of an electronic Gaussian wave packet, the spectral width of which is on the order of the distance between the levels of the doublet of quasi-stationary states, is carried out. It is shown that as a result of scattering, damped waves of electron charge and current densities are formed outside the double well, their characteristics are determined by the structure of the initial wave packet and the poles of the scattering amplitudes. The frequency of these waves is equal to the difference frequency of the doublet, the wavenumber is the difference between the wave numbers of free motion of electrons with resonant energies, and the speed of their propagation is the ratio of these quantities. The system can go into the regime of repetition or amplification of the emission of electron waves if a periodic resonant pumping of the doublet population is provided by scattering of a series of coherent wave packets.
