最小体积的光电子动量谱：含时表面通量方法
Photo-electron momentum spectra from minimal volumes: the time-dependent surface flux method
摘要：
采用含时表面通量（t-SURFF）方法，通过在极小的模拟体积上数值求解含时薛定谔方程，计算了原子的强场红外光离谱.体积只需要容纳电子的运动和原子结合势的相关范围。光谱是从通过表面的电子通量计算的，超过该表面的出射通量被无限程外复标度（irECS）吸收。在单活性电子近似下计算了高精度的红外光电子能谱，并与文献结果进行了比较。详细的数值证据的性能和精度。扩展到多电子系统和双电离进行了讨论。
英文摘要：
The time-dependent surface flux (t-SURFF) method is introduced for computing of strong-field infrared photo-ionization spectra of atoms by numerically solving the time-dependent Schrödinger equation on minimal simulation volumes. The volumes only need to accommodate the electron quiver motion and the relevant range of the atomic binding potential. Spectra are computed from the electron flux through a surface, beyond which the outgoing flux is absorbed by infinite range exterior complex scaling (irECS). Highly accurate infrared photo-electron spectra are calculated in single active electron approximation and compared to literature results. Detailed numerical evidence for performance and accuracy is given. Extensions to multi-electron systems and double ionization are discussed.
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