Finite-size effect in shot noise in hopping conduction

Tikhonov, E. S. and Khrapai, V. S. and Shovkun, D. V. and Schuh, D. (2013) Finite-size effect in shot noise in hopping conduction. JETP LETTERS, 98 (2). pp. 121-126. ISSN 0021-3640, 1090-6487

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Abstract

We study a current shot noise in a macroscopic insulator based on a two-dimensional electron system in GaAs in a variable range hopping (VRH) regime. At low temperature and in a sufficiently depleted sample a shot noise close to a full Poissonian value is measured. This suggests an observation of a finite-size effect in shot noise in the VRH conduction and demonstrates a possibility of accurate quasiparticle charge measurements in the insulating regime.

Item Type: Article
Uncontrolled Keywords: TRANSPORT; CHARGE;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 01 Apr 2020 06:37
Last Modified: 01 Apr 2020 06:37
URI: https://pred.uni-regensburg.de/id/eprint/16114

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