Quantum Simulation of Spin Chains Coupled to Bosonic Modes with Superconducting Circuits

TL;DR

This paper proposes a method for simulating complex spin-boson interactions using superconducting circuits, enabling exploration of various quantum spin models with high fidelity.

Contribution

It introduces a digital quantum simulation approach for spin chains coupled to bosonic modes in superconducting circuits, including implementation strategies and feasibility analysis.

Findings

High-fidelity gate implementation for spin-boson interactions

Simulation of Ising, Tavis-Cummings, and three-body spin models

Feasibility demonstrated in realistic circuit QED setups

Abstract

We propose the implementation of a digital quantum simulation of spin chains coupled to bosonic field modes in superconducting circuits. Gates with high fidelities allows one to simulate a variety of Ising magnetic pairing interactions with transverse field, Tavis-Cummings interaction between spins and a bosonic mode, and a spin model with three-body terms. We analyze the feasibility of the implementation in realistic circuit quantum electrodynamics setups, where the interactions are either realized via capacitive couplings or mediated by microwave resonators.