Paschen-Back effects and Rydberg-state diamagnetism in vapor-cell electromagnetically induced transparency

Paschen-Back effects and Rydberg-state diamagnetism in vapor-cell electromagnetically induced... We report on rubidium vapor-cell Rydberg electromagnetically induced transparency (EIT) in a 0.7 T magnetic field where all involved levels are in the hyperfine Paschen-Back regime, and the Rydberg state exhibits a strong diamagnetic interaction. Signals from both Rb85 and Rb87 are present in the EIT spectra. Isotope-mixed Rb cells allow us to measure the field strength to within a ±0.12% relative uncertainty. The measured spectra are in excellent agreement with the results of a Monte Carlo calculation and indicate unexpectedly large Rydberg-level dephasing rates. Line shifts and broadenings due to magnetic-field inhomogeneities are included in the model. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review A American Physical Society (APS)

Paschen-Back effects and Rydberg-state diamagnetism in vapor-cell electromagnetically induced transparency

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Paschen-Back effects and Rydberg-state diamagnetism in vapor-cell electromagnetically induced transparency

Abstract

We report on rubidium vapor-cell Rydberg electromagnetically induced transparency (EIT) in a 0.7 T magnetic field where all involved levels are in the hyperfine Paschen-Back regime, and the Rydberg state exhibits a strong diamagnetic interaction. Signals from both Rb85 and Rb87 are present in the EIT spectra. Isotope-mixed Rb cells allow us to measure the field strength to within a ±0.12% relative uncertainty. The measured spectra are in excellent agreement with the results of a Monte Carlo calculation and indicate unexpectedly large Rydberg-level dephasing rates. Line shifts and broadenings due to magnetic-field inhomogeneities are included in the model.
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Publisher
The American Physical Society
Copyright
Copyright © ©2017 American Physical Society
ISSN
1050-2947
eISSN
1094-1622
D.O.I.
10.1103/PhysRevA.95.061804
Publisher site
See Article on Publisher Site

Abstract

We report on rubidium vapor-cell Rydberg electromagnetically induced transparency (EIT) in a 0.7 T magnetic field where all involved levels are in the hyperfine Paschen-Back regime, and the Rydberg state exhibits a strong diamagnetic interaction. Signals from both Rb85 and Rb87 are present in the EIT spectra. Isotope-mixed Rb cells allow us to measure the field strength to within a ±0.12% relative uncertainty. The measured spectra are in excellent agreement with the results of a Monte Carlo calculation and indicate unexpectedly large Rydberg-level dephasing rates. Line shifts and broadenings due to magnetic-field inhomogeneities are included in the model.

Journal

Physical Review AAmerican Physical Society (APS)

Published: Jun 27, 2017

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