Tunneling processes induced by terahertz fields

DOI to cite this document:: 10.5283/epub.1622

Ganichev, Sergey ; Yassievich, I. ; Prettl, Wilhelm

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Date of publication of this fulltext: 05 Aug 2009 13:30

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Abstract

Tunneling processes induced by terahertz frequency electric fields have been investigated. A drastic enhancement of the tunneling probability has been observed by increasing the frequency omega at omegatau(e) >> 1 where tau(e) is the tunneling time. For a given constant tunneling rate an increase of frequency by a factor of seven leads to a drop of the required electric field strength by three ...