Many-Body Interactions with Tunable-Coupling Transmon Qubits

A. Mezzacapo; L. Lamata; S. Filipp; E. Solano

doi:10.1103/PhysRevLett.113.050501

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Many-Body Interactions with Tunable-Coupling Transmon Qubits

A. Mezzacapo, L. Lamata, S. Filipp, E. Solano

DOI 10.1103/PhysRevLett.113.050501 · Physical Review Letters

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Abstract

The efficient implementation of many-body interactions in superconducting circuits allows for the realization of multipartite entanglement and topological codes, as well as the efficient simulation of highly correlated fermionic systems. We propose the engineering of fast multiqubit interactions with tunable transmon-resonator couplings. This dynamics is obtained by the modulation of magnetic fluxes threading superconducting quantum interference device loops embedded in the transmon devices. We consider the feasibility of the proposed implementation in a realistic scenario and discuss potential applications.