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Toulouse, France

Joachim C.,CEMES and MANA Satellite | Renaud N.,Northwestern University | Hliwa M.,CEMES and MANA Satellite
Advanced Materials | Year: 2012

From the bottom, it is demonstrated how all the known intramolecular single-molecule logic gate architectures - semi-classical circuits, quantum Hamiltonian circuits, and qubit circuits - are different versions of the quantum control of intramolecular processes. They only differ in the way the classical input data are encoded on the quantum molecular system and how the quantum-to-classical conversion proceeds to read the output. Intramolecular single-molecule logic gate designs: the semi-classical, the quantum Hamiltonian and the qubit circuits are demonstrated to be different versions of intramolecular quantum control. They differ from the way the classical input data are encoded on the molecule and from the quantum-to-classical conversion output reading procedure. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.


Renaud N.,Northwestern University | Hliwa M.,CEMES and MANA Satellite | Joachim C.,CEMES and MANA Satellite
Physical Chemistry Chemical Physics | Year: 2011

Recent publications have demonstrated how to implement a NOR logic gate with a single molecule using its interaction with two surface atoms as logical inputs [W. Soe et al., ACS Nano, 2011, 5, 1436]. We demonstrate here how this NOR logic gate belongs to the general family of quantum logic gates where the Boolean truth table results from a full control of the quantum trajectory of the electron transfer process through the molecule by very local and classical inputs practiced on the molecule. A new molecule OR gate is proposed for the logical inputs to be also single metal atoms, one per logical input. © the Owner Societies 2011.

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