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Pré-Publication, Document De Travail Année : 2022

Quantum dynamics for energetic advantage in a charge-based classical full-adder

João P. Moutinho
  • Fonction : Auteur
Marco Pezzutto
  • Fonction : Auteur
Sagar Pratapsi
  • Fonction : Auteur
Francisco Ferreira da Silva
  • Fonction : Auteur
Sougato Bose
  • Fonction : Auteur
António T. Costa
  • Fonction : Auteur
Yasser Omar
  • Fonction : Auteur

Résumé

We present a proposal for a one-bit full-adder to process classical information based on the quantum reversible dynamics of a triple quantum dot system. The device works via the repeated execution of a Fredkin gate implemented through the dynamics of a single time-independent Hamiltonian. Our proposal uses realistic parameter values and could be implemented on currently available quantum dot architectures. We compare the estimated energy requirements for operating our full-adder with those of well-known fully classical devices, and argue that our proposal may provide a consistently better energy efficiency. Our work serves as a proof of principle for the development of energy-efficient information technologies operating through coherent quantum dynamics.

Dates et versions

hal-03726330 , version 1 (18-07-2022)

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Citer

João P. Moutinho, Marco Pezzutto, Sagar Pratapsi, Francisco Ferreira da Silva, Silvano de Franceschi, et al.. Quantum dynamics for energetic advantage in a charge-based classical full-adder. 2022. ⟨hal-03726330⟩

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