Digital Quantum Rabi and Dicke Models in Superconducting Circuits
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Date
2014-12-15Author
Mezzacapo, Antonio
Las Heras García, Urtzi
Simón Pedernales, Julen Jon
Di Carlo, L.
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Scientific Reports 4 : (2014) // Article ID 7482
Abstract
We propose the analog-digital quantum simulation of the quantum Rabi and Dicke models using circuit quantum electrodynamics (QED). We find that all physical regimes, in particular those which are impossible to realize in typical cavity QED setups, can be simulated via unitary decomposition into digital steps. Furthermore, we show the emergence of the Dirac equation dynamics from the quantum Rabi model when the mode frequency vanishes. Finally, we analyze the feasibility of this proposal under realistic superconducting circuit scenarios.