# Superconducting Quantum Annealing Architecture with LC Resonators

**Authors:** Hiroto Mukai, Akiyoshi Tomonaga, Jaw-Shen Tsai

arXiv: 1903.00187 · 2019-04-22

## TL;DR

This paper introduces a superconducting quantum annealing architecture utilizing LC resonators and SQUID couplers to enable long-range qubit interactions, enhancing the system's capability for complex problem solving.

## Contribution

It presents a novel circuit design with resonator-qubit pairs and SQUID couplers, allowing scalable and flexible quantum annealing architectures.

## Key findings

- Enables long-range qubit coupling
- Supports complex problem Hamiltonian preparation
- Provides tunable parameters for quantum annealing

## Abstract

We propose a novel architecture for superconducting circuits to improve the efficiency of a quantum annealing system. To increase the capability of a circuit, it is desirable for a qubit to be coupled not only with adjacent qubits but also with other qubits located far away. We introduce a circuit that uses a lumped element resonator coupled each with one qubit. The resonator-qubit pairs are coupled by rf-superconducting quantum interference device (SQUID) based couplers. These pairs make a large quantum system for quantum annealer. This system could prepare the problem Hamiltonian and tune the parameters for quantum annealing procedure.

## Full text

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## Figures

4 figures with captions in the complete paper: https://tomesphere.com/paper/1903.00187/full.md

## References

29 references — full list in the complete paper: https://tomesphere.com/paper/1903.00187/full.md

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Source: https://tomesphere.com/paper/1903.00187