Erasure conversion for fault-tolerant quantum computing in alkaline earth Rydberg atom arrays

Y Wu, S Kolkowitz, S Puri, JD Thompson - Nature communications, 2022 - nature.com
Executing quantum algorithms on error-corrected logical qubits is a critical step for scalable
quantum computing, but the requisite numbers of qubits and physical error rates are …

Error budgeting for a controlled-phase gate with strontium-88 Rydberg atoms

A Pagano, S Weber, D Jaschke, T Pfau, F Meinert… - Physical Review …, 2022 - APS
We study the implementation of a high fidelity controlled-phase gate in a Rydberg quantum
computer. The protocol is based on a symmetric gate with respect to the two qubits as …

Recent advances in Rydberg physics using alkaline-earth atoms

FB Dunning, TC Killian, S Yoshida… - Journal of Physics B …, 2016 - iopscience.iop.org
In this brief review, the opportunities that the alkaline-earth elements offer for studying new
aspects of Rydberg physics are discussed. For example, the bosonic alkaline-earth isotopes …

Rydberg macrodimers: Diatomic molecules on the micrometer scale

S Hollerith, J Zeiher - The Journal of Physical Chemistry A, 2023 - ACS Publications
Controlling molecular binding at the level of single atoms is one of the holy grails of quantum
chemistry. Rydberg macrodimers─ bound states between highly excited Rydberg atoms─ …

[HTML][HTML] ARC 3.0: An expanded Python toolbox for atomic physics calculations

EJ Robertson, N Šibalić, RM Potvliege… - Computer Physics …, 2021 - Elsevier
Abstract ARC 3.0 is a modular, object-oriented Python library combining data and algorithms
to enable the calculation of a range of properties of alkali and divalent atoms. Building on …

Trapping alkaline earth Rydberg atoms optical tweezer arrays

JT Wilson, S Saskin, Y Meng, S Ma, R Dilip… - Physical review …, 2022 - APS
Neutral atom qubits with Rydberg-mediated interactions are a leading platform for
developing large-scale coherent quantum systems. In the majority of experiments to date …

Robust control and optimal Rydberg states for neutral atom two-qubit gates

M Mohan, R de Keijzer, S Kokkelmans - Physical Review Research, 2023 - APS
We investigate the robustness of two-qubit gates to deviations of experimental controls on a
neutral atom platform utilizing Rydberg states. We construct robust controlled-Z gates …

Ultra-long-range Rydberg molecules in a divalent atomic system

BJ DeSalvo, JA Aman, FB Dunning, TC Killian… - Physical Review A, 2015 - APS
We report the creation of ultra-long-range Sr 2 molecules comprising one ground-state 5 s 2
1 S 0 atom and one atom in a 5 sns 3 S 1 Rydberg state for n ranging from 29 to 36 …

High-dimensional SO (4)-symmetric Rydberg manifolds for quantum simulation

A Kruckenhauser, R van Bijnen, TV Zache… - Quantum Science …, 2022 - iopscience.iop.org
We develop a toolbox for manipulating arrays of Rydberg atoms prepared in high-
dimensional hydrogen-like manifolds in the regime of linear Stark and Zeeman effect. We …

Engineering Rydberg-pair interactions in divalent atoms with hyperfine-split ionization thresholds

F Hummel, S Weber, J Mögerle, H Menke, J King… - Physical Review A, 2024 - APS
Quantum information processing with neutral atoms relies on Rydberg excitation for
entanglement generation. While the use of heavy divalent or open-shell elements, such as …