Dynamical effects in finite field electron tunnelling

Marušić, Leo and Šunjić, Marijan (1999) Dynamical effects in finite field electron tunnelling. Fizika A, 8 (3). pp. 141-146. ISSN 1330-0008

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The problem of dynamical screening for electrons tunneling in the metal-insulator-metal system, based on a generalization of the Jonson's nonlocal theory of exchange-correlation potential, is reviewed. The self-energy is evaluated within the GW approximation for electrons coupled to the long-wavelength charge-density oscillations. Effective potential barriers are obtained by selfconsistent non-local numerical calculation, and then used to get transmission coefficient exactly and within the WKB approximation. The method is also extended to the case with an external potential applied on metal electrodes, and transmission coefficient is plotted as a function of electron energy and external potential.

Item Type: Article
Keywords: metal-insulator-metal system, electron tunneling, dynamical screening, exchange-correlation potential, GW approximation, long-wavelength charge-density oscillations, exact transmission coefficient, potential applied on metal electrodes
Date: 1999
Subjects: NATURAL SCIENCES > Physics
Divisions: Faculty of Science > Department of Physics
Publisher: Hrvatsko fizikalno društvo
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 14 Apr 2014 15:54
Last Modified: 14 Apr 2014 15:54
URI: http://digre.pmf.unizg.hr/id/eprint/811

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