Tunneling time, what is its meaning?

被引：9

作者：

McDonald, C. R. ^{[1
]}

Orlando, G. ^{[1
]}

Vampa, G. ^{[1
]}

Brabec, T. ^{[1
]}

机构：

[1] Univ Ottawa, Dept Phys, Ottawa, ON K1N 6N5, Canada

来源：

23RD INTERNATIONAL LASER PHYSICS WORKSHOP (LPHYS'14) | 2015年 / 594卷

关键词：

IONIZATION;

D O I：

10.1088/1742-6596/594/1/012019

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The tunnel time ionization dynamics for bound systems in laser fields are investigated. Numerical analysis for a step function switch-on of the field allows for the tunnel time to be defined as the time it takes the ground state to develop the under-barrier wavefunction components necessary to achieve the static field ionization rate. A relation between the tunnel time and the Keldysh time is established. The definition of the tunnel time is extended to time varying fields and experimental possibilities for measuring the tunnel time are discussed.

引用

页数：8

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