arXiv:2212.02545 · Physical review. B./Physical review. B

Coherent dynamics of a photon-dressed qubit

M. P. Liul, Chin-Hsun Chien, C. Chen, P. Y. Wen, Jeng‐Chung Chen, Yen‐Hsiang Lin, Sergey N Shevchenko, Franco Nori, I.-C. Hoi

Published May 30, 2023• 10 citations

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Abstract

We consider the dynamics and stationary regime of a capacitively shunted transmon-type qubit in front of a mirror. The qubit is affected by probe and dressing signals. By varying the parameters of these signals and then analyzing the probe signal (reflected by the ``atom plus mirror'' system), it is possible to explore the system dynamics, which can be described by the Bloch equation. The obtained time-dependent occupation probabilities are related to the experimentally measured reflection coefficient. The study of this type of dynamics opens up new horizons for better understanding the ``qubit plus mirror'' circuit properties and the underlying physical processes, such as Landau-Zener-St\"uckelberg-Majorana transitions.

DOI: 10.1103/physrevb.107.195441

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