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首页> 外文期刊>Physica, B. Condensed Matter >Linear and nonlinear optical properties in a disk-shaped quantum dot with a parabolic potential plus a hyperbolic potential in a static magnetic field
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Linear and nonlinear optical properties in a disk-shaped quantum dot with a parabolic potential plus a hyperbolic potential in a static magnetic field

机译：圆盘形量子点在静磁场中具有抛物线电势和双曲线电势的线性和非线性光学性质

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摘要

Linear and nonlinear optical properties in a disk-shaped quantum dot (DSQD) with a parabolic potential plus a hyperbolic potential in a static magnetic field are theoretically investigated within the framework of the compact-density-matrix approach and iterative method. The energy levels and the wave functions of an electron are obtained by three kinds of approximation methods. It is found that optical absorption coefficients and refractive index changes are not only by the characteristic parameters of the hyperbolic potential and the confinement frequency, but also by the magnetic field.
机译：在紧凑密度矩阵方法和迭代方法的框架内，理论上研究了具有抛物线电势和双曲线电势的圆盘形量子点（DSQD）中的线性和非线性光学性质。电子的能级和波函数通过三种近似方法获得。已经发现，光吸收系数和折射率变化不仅取决于双曲势和限制频率的特征参数，而且还取决于磁场。

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