交变场驱动下半导体线中量子点电离时间的数值与解析关联
Connecting the numerical and analytical ionization times for quantum dots in semiconductor wires driven by alternating field
摘要：
最近的数值计算结果的电离量子点的周期性电场在电偶极自旋共振与已知的解析方法进行了比较。研究发现，在有限长量子线中，数值电离速率比解析电离速率慢，特别是在低驱动场时，当限制势强烈影响动力学时。尽管如此，分析预测的电离时间是在令人满意的对应平均能量阈值时间时，能量跨越本地化和连续状态之间的边界。
英文摘要：
Recent numerical results for ionization of quantum dots by periodic electric field during the electric dipole spin resonance are compared with known analytical approaches. It is found that in finite-length quantum wires the numerical ionization rate is slower than the analytical one, especially for low driving field when the confinement potential strongly affects the dynamics. Still, the analytically predicted ionization times are in satisfactory correspondence with mean energy threshold times when the energy crosses the border between localized and continuum states.
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