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  Extended Coherently Delocalized States in a Frozen Rydberg Gas

Abumwis, G., Eiles, M. T., & Eisfeld, A. (2020). Extended Coherently Delocalized States in a Frozen Rydberg Gas. Physical Review Letters, 124(19): 193401. doi:10.1103/PhysRevLett.124.193401.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-A828-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-A829-F
Genre: Journal Article

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Abumwis, Ghassan1, Author              
Eiles, Matthew T.1, Author              
Eisfeld, Alexander1, Author              
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1Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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 Abstract: The long-range dipole-dipole interaction can create delocalized states due to the exchange of excitation between Rydberg atoms. We show that even in a random gas many of the single-exciton eigenstates are surprisingly delocalized, composed of roughly one quarter of the participating atoms. We identify two different types of eigenstates: one which stems from strongly-interacting clusters, resulting in localized states, and one which extends over large delocalized networks of atoms. These two types of states can be excited and distinguished by appropriately tuned microwave pulses, and their relative contributions can be modified by the Rydberg blockade and the choice of microwave parameters.

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 Dates: 2020-05-122020-05-15
 Publication Status: Published in print
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 124 (19) Sequence Number: 193401 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1