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Superconducting Qubits Open Quantum Systems Decoherence

Transmon in a semi-infinite high-impedance transmission line - appearance of cavity modes and Rabi oscillations

arXiv

Authors: Emely Wiegand, Benjamin Rousseaux, Göran Johansson

Year

2020

Paper ID

18804

Status

Preprint

Abstract Read

~2 min

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Abstract

In this letter, we investigate the dynamics of a single superconducting artificial atom capacitively coupled to a transmission line with a characteristic impedance comparable or larger than the quantum resistance. In this regime, microwaves are reflected from the atom also at frequencies far from the atom's transition frequency. Adding a single mirror in the transmission line then creates cavity modes between the atom and the mirror. Investigating the spontaneous emission from the atom, we then find Rabi oscillations, where the energy oscillates between the atom and one of the cavity modes.

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In this letter, we investigate the dynamics of a single superconducting artificial atom capacitively coupled to a transmission line with a characteristic impedance comparable...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2012.01284 [2] arXiv https://arxiv.org/abs/2012.01284 [3] Publisher https://arxiv.org/abs/2012.01284

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