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Quantum Foundations

Dissipative entanglement generation between two driven qubits in circuit quantum electrodynamics

arXiv

Authors: Sebastián Luciano Gallardo, Daniel Dominguez, María José Sánchez

Year

2021

Paper ID

6775

Status

Preprint

Abstract Read

~2 min

Abstract Words

102

Citations

N/A

Abstract

An entangled state generation protocol for a system of two qubits driven with an ac signal and coupled through a resonator is introduced. We explain the mechanism of entanglement generation in terms of an interplay between unitary Landau-Zener-Stuckelberg (LZS) transitions induced for appropriate amplitudes and frequencies of the applied ac signal and dissipative processes dominated by photon loss. In this way, we found that the steady state of the system can be tuned to be arbitrarily close to a Bell state, which is independent of the initial state. Effective two-qubit Hamiltonians that reproduce the resonance patterns associated with LZS transitions are derived.

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An entangled state generation protocol for a system of two qubits driven with an ac signal and coupled through a resonator is introduced.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2111.08827 [2] arXiv https://arxiv.org/abs/2111.08827 [3] Publisher https://arxiv.org/abs/2111.08827

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