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Cr7Ni Wheels: Supramolecular Tectons for the Physical Implementation of Quantum Information Processing
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Magnetochemistry 2016, 2(4), 37;

Supramolecular Complexes for Quantum Simulation

Dipartimento di Fisica e Scienze della Terra, Università di Parma, Parma I-43124, Italy
Author to whom correspondence should be addressed.
Academic Editor: Floriana Tuna
Received: 29 July 2016 / Revised: 20 September 2016 / Accepted: 26 September 2016 / Published: 1 October 2016
(This article belongs to the Special Issue Molecules in Quantum Information)
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Simulating the evolution of quantum systems on a classical computer is a yellow very challenging task, which could be easily tackled by digital quantum simulators. These are intrinsically quantum devices whose parameters can be controlled in order to mimic the evolution of a broad class of target Hamiltonians. We describe here a quantum simulator implemented on a linear register of molecular Cr7Ni qubits, linked through Co2+ ions which act as switches of the qubit–qubit interaction. This allows us to implement one- and two-qubit gates on the chain with high-fidelity, by means of uniform magnetic pulses. We demonstrate the effectiveness of the scheme by numerical experiments in which we combine several of these elementary gates to implement the simulation of the transverse field Ising model on a set of three qubits. The very good agreement with the expected evolution suggests that the proposed architecture can be scaled to several qubits. View Full-Text
Keywords: molecular nanomagnets; quantum simulation; molecular spin qubits; quantum information processing molecular nanomagnets; quantum simulation; molecular spin qubits; quantum information processing

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Chiesa, A.; Santini, P.; Carretta, S. Supramolecular Complexes for Quantum Simulation. Magnetochemistry 2016, 2, 37.

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