Quantum computation with Rydberg atoms: across the periodic table and beyond - Saffman Mark

Quantum computing is a few decades old and is currently an area where there is great excitement, and rapid developments. Approaches based on cold ions and atoms, superconducting circuits, quantum dots, and optical photons have all demonstrated substantial progress. Neutral atom approaches are based on interactions between Rydberg excited atoms. Nevertheless there remain several outstanding challenges that must be overcome to achieve scalable quantum computation. These include gate fidelity, atom loss, and quantum nondemolition state measurements without crosstalk to nearby qubits. After reviewing the current state of the art we will present some new ideas for simple solutions using complex atoms.