Ganichev, Sergey and Yassievich, I. and Prettl, Wilhelm (2003) Tunneling processes induced by terahertz fields. Journal of Biological Physics 29 (2-3), pp. 327-334.
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Tunneling processes induced by terahertz frequency electric fields havebeen investigated.A drastic enhancement of the tunneling probabilityhas been observed by increasing the frequency ate 1 wheree is the tunneling time.For a given constant tunneling rate an increase offrequency by a factor of seven leads to a drop of the requiredelectric field strengthby three orders of magnitude.It is shown that the enhancement of tunneling ionization at terahertz frequencies is due to the factthat electrons can absorb energy from the radiation field during tunnelingreducing the effective width of the tunneling barrier.
|Institutions:|| Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Wilhelm Prettl|
Physics > Institute of Experimental and Applied Physics > Professor Ganichev > Group Sergey Ganichev
|Projects:||Graduiertenkolleg Nichtlinearität und Nichtgleichgewicht|
|Keywords:||Electron and nucleus tunneling; terahertz fields|
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||20 Mar 2007|
|Last Modified:||20 Jul 2011 20:59|