SPATIAL WAVE-FUNCTION FOR PHOTOIONIZATION FROM A ONE-DIMENSIONAL DELTA-FUNCTION POTENTIAL

被引：3

作者：

HAAN, SL ^{[1
]}

STEENSMA, DP ^{[1
]}

STEEN, RS ^{[1
]}

机构：

[1] UNIV ROCHESTER,DEPT PHYS & ASTRON,ROCHESTER,NY 14627

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1994年 / 27卷 / 01期

关键词：

D O I：

10.1088/0953-4075/27/1/010

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The photoionization of a one-dimensional Dirac delta-function potential is examined analytically for the high-frequency range in which the individual photon energy exceeds the binding energy. Closed-form expressions are presented for the population amplitudes, the spatial wavefunction, and the probability flux with no approximations other than the rotating-wave approximation, the instantaneous turn-on approximation, and the neglect of continuum-continuum transitions. The expressions are examined in various levels of approximation and compared with what would be expected for exponential decay.

引用

页码：33 / 45

页数：13

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