Physics – Condensed Matter – Materials Science
Scientific paper
2004-06-21
Phys. Rev. Lett., vol. 92, n. 22, 226601-1 (2004)
Physics
Condensed Matter
Materials Science
10 pages, 5 figures
Scientific paper
10.1103/PhysRevLett.92.226601
We report on a direct experimental evidence of shot noise in a linear macroscopic resistor. The origin of the shot noise comes from the fluctuation of the total number of charge carriers inside the resistor associated with their diffusive motion under the condition that the dielectric relaxation time becomes longer than the dynamic transit time. Present results show that neither potential barriers nor the absence of inelastic scattering are necessary to observe shot noise in electronic devices.
Bertuccio Giuseppe
Ferrari Gabriele
Gomila Gabriel
Pennetta Cecilia
Reggiani Letizia
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