Schemes for robust quantum computation with polar molecules: analysis of experimental feasibility

By E. Kuznetsova, R. Cot'e, K. Kirby, S. Yelin. 2006

216 citations recorded by the source corpus.

We analyse recently proposed physical implementations of a quantum computer based on polar molecules. A set of general requirements for a molecular system is presented, which would provide an optimal combination of quantum gate times, coherence times, number of operations, high gate accuracy and experimental feasibility. We proceed with a detailed analysis of a scheme utilizing switchable dipole-dipole interactions between polar molecules. Switchable dipole-dipole interaction is an efficient tool for realization of two-qubit quantum gates, necessary to construct a universal set of gates. We consider three possible realizations of a phase gate using specific molecules, such as CO, NF, alkali dimers and alkaline-earth monohalides. We suggest suitable electronic states and ransitions and investigate requirements for the pulses driving them. Finally, we analyse possible sources of decoherence.

Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics

View Paper: https://www.semanticscholar.org/paper/d9ee334d1c0c00b0374ac68d422b805844dc18bd

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In Artificial Intelligence

In Atomic and Molecular Physics, and Optics

Citations in the corpus

Robust Encoding of a Qubit in a Molecule (2019, background): “Hence, proposals for storing quantum information in molecules [12–23] (see also [24, 25]) typically pick out two low-lying long-lived energy eigenstates as basis states for a qubit.”