Volume 38, Number 5, May II 1997
|Page(s)||365 - 370|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
A generalized model of non-thermal noise in the electromagnetic environment of small-capacitance tunnel junctions
Institut für Theoretische
Festkörperphysik, Universität Karlsruhe,
76128 Karlsruhe, Germany
2 Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
3 Faculty of Applied Physics, Department of Theoretical Physics, Delft University of Technology - 2628 CJ Delft, The Netherlands
4 Instituto di Fisica, Facoltà di Ingegneria, Università di Catania, 95125 Catania, Italy
Accepted: 1 April 1997
We present a generalization of the existing theory for tunneling in the presence of an electromagnetic environment, which applies to arbitrary networks of linear elements, with each impedance at its individual equilibrium temperature. The fluctuations of such an environment are non-thermal. As an example we discuss the effect of high-temperature fluctuations in the environment. We show that in general these fluctuations exhibit characteristics of Gaussian-correlated and white noise.
PACS: 73.40.Gk – Tunneling / 74.50.+r – Proximity effects, weak links, tunneling phenomena, and Josephson effects / 73.40.Rw – Metal-insulator-metal structures
© EDP Sciences, 1997
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