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Accessing Rydberg-dressed interactions using many-body Ramsey dynamics

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Title: Accessing Rydberg-dressed interactions using many-body Ramsey dynamics
Authors: Mukherjee, R
Killian, TC
Hazzard, KRA
Item Type: Journal Article
Abstract: We demonstrate that Ramsey spectroscopy can be used to observe Rydberg-dressed interactions in a many-body system well within experimentally measured lifetimes, in contrast to previous research, which either focused on interactions near Förster resonances or on few-atom systems. We build a spin- 1 2 from one level that is Rydberg-dressed and another that is not. These levels may be hyperfine or long-lived electronic states. An Ising spin model governs the Ramsey dynamics, which we demonstrate can be used to characterize the Rydberg-dressed interactions. Furthermore, the dynamics can differ significantly from that observed in other spin systems. As one example, spin echo can increase the rate at which coherence decays. The results also apply to bare (undressed) Rydberg states as a special case, for which we quantitatively reproduce recent ultrafast experiments without fitting.
Issue Date: 28-Nov-2016
Date of Acceptance: 28-Nov-2016
URI: http://hdl.handle.net/10044/1/77955
DOI: 10.1103/physreva.94.053422
ISSN: 2469-9926
Publisher: American Physical Society (APS)
Start Page: 053422-1
End Page: 053422-8
Journal / Book Title: Physical Review A
Volume: 94
Issue: 5
Copyright Statement: ©2016 American Physical Society
Publication Status: Published online
Open Access location: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.94.053422
Article Number: 053422
Online Publication Date: 2016-11-28
Appears in Collections:Quantum Optics and Laser Science
Physics