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Quantum interference induced by multiple Landau-Zener transitions in a strongly driven rf-SQUID qubit
- Source :
- Phys. Rev. B 81, 144505 (2010)
- Publication Year :
- 2009
-
Abstract
- We irradiated an rf-SQUID qubit with large-amplitude and high frequency electromagnetic field. Population transitions between macroscopic distinctive quantum states due to Landau-Zener transitions at energy-level avoided crossings were observed. The qubit population on the excited states as a function of flux detuning and microwave power exhibits interference patterns. Some novel features are found in the interference and a model based on rate equations can well address the features.<br />Comment: 6 pages, 3 figures, comments are welcome
- Subjects :
- Quantum Physics
Condensed Matter - Mesoscale and Nanoscale Physics
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. B 81, 144505 (2010)
- Publication Type :
- Report
- Accession number :
- edsarx.0912.0995
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevB.81.144505