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Enhanced Shot Noise in Tunneling through a Stack of Coupled Quantum Dots

Authors
  • Barthold, P.
  • Hohls, F.
  • Maire, N.
  • Pierz, K.
  • Haug, R. J.
Type
Published Article
Publication Date
Mar 20, 2006
Submission Date
Mar 20, 2006
Identifiers
DOI: 10.1103/PhysRevLett.96.246804
arXiv ID: cond-mat/0603512
Source
arXiv
License
Unknown
External links

Abstract

We have investigated the noise properties of the tunneling current through vertically coupled self-assembled InAs quantum dots. We observe super-Poissonian shot noise at low temperatures. For increased temperature this effect is suppressed. The super-Poissonian noise is explained by capacitive coupling between different stacks of quantum dots.

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