Rydberg wire gates for universal quantum computation
Seokho Jeong, Xiao-Feng Shi, Minhyuk Kim, and Jaewook Ahn

TL;DR
This paper proposes a universal quantum computing scheme using Rydberg atom arrays, employing auxiliary atoms as quantum wires to mediate interactions and constructing standard quantum gates with explicit pulse sequences.
Contribution
It introduces a novel gate-based quantum computing approach with auxiliary atoms acting as quantum wires in Rydberg-atom arrays, including explicit gate sequences and resource estimates.
Findings
Explicit sequences for one-, two-, and multi-qubit gates.
Resource estimates for experimental implementation.
Feasibility of using auxiliary atoms as quantum wires.
Abstract
Rydberg atom arrays offer flexible geometries of strongly-interacting neutral atoms, which are useful for many quantum applications such as quantum simulation and quantum computation. Here we consider a gate-based quantum computing scheme for a Rydberg-atom array. We utilize auxiliary atoms which are used as a quantum wire to mediate controllable interactions among data-qubit atoms. We construct universal quantum gates for the data atoms, by using single-atom addressing operations. Standard one-, two-, and multi-qubit solutions are explicitly obtained as respective sequences of pulsed operations acting on individual data and wire atoms. A detailed resource estimate is provided for an experimental implementation of this scheme in a Rydberg quantum simulator.
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Taxonomy
TopicsCold Atom Physics and Bose-Einstein Condensates · Quantum Information and Cryptography · Quantum Computing Algorithms and Architecture
