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Finite-frequency noise of a single-electron source

  • Talk

  • Michael V
  • Moskalets, Kharkiv Polytechnic Institute, Kharkiv, Ukraine
  • 17 juliol de 2012 a les 14:00
  • IFISC Meeting Room
  • Announcement file

I present a simple classical model to illustrate how the finite-frequency charge noise associated with single-electrons emitted one by one can be understood. At low-frequencies this noise arises as a consequence of a stochastic time of emission and it is defined by the dwell time irrespective of how (adiabatically or non-adiabatically) an electron is emitted. Importantly the finite-frequency noise vanished at high frequencies. This suppression for an adiabatically emitted electrons can be understood as due to a finite duration of an emitted wave-packet.




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David Sánchez

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