Dressed relaxation and dephasing in a strongly driven two-level system

Wilson, C. M., Johansson, G., Duty, T., Persson, F., Sandberg, M. and Delsing, P. (2010) Dressed relaxation and dephasing in a strongly driven two-level system. Physical Review B: Condensed Matter and Materials Physics, 81 2: . doi:10.1103/PhysRevB.81.024520

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Author Wilson, C. M.
Johansson, G.
Duty, T.
Persson, F.
Sandberg, M.
Delsing, P.
Title Dressed relaxation and dephasing in a strongly driven two-level system
Journal name Physical Review B: Condensed Matter and Materials Physics   Check publisher's open access policy
ISSN 1098-0121
1550-235X
Publication date 2010-01-29
Sub-type Article (original research)
DOI 10.1103/PhysRevB.81.024520
Open Access Status File (Publisher version)
Volume 81
Issue 2
Total pages 6
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract We study relaxation and dephasing in a strongly driven two-level system interacting with its environment. We develop a theory which gives a straightforward physical picture of the complex dynamics of the system in terms of dressed states. In addition to the dressing of the energy diagram, we describe the dressing of relaxation and dephasing. We find a good quantitative agreement between the theoretical calculations and measurements of a superconducting qubit driven by an intense microwave field. The competition of various processes leads to a rich structure in the observed behavior, including signatures of population inversion.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ
Additional Notes Article number 024520

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mathematics and Physics
 
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