Binding Potentials and Interaction Gates between Microwave-Dressed Rydberg Atoms

David Petrosyan and Klaus Mølmer
Phys. Rev. Lett. 113, 123003 – Published 19 September 2014
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Abstract

We demonstrate finite range binding potentials between pairs of Rydberg atoms interacting with each other via attractive and repulsive van der Waals potentials and driven by a microwave field. We show that, using destructive quantum interference to cancel single-atom Rydberg excitation, the Rydberg-dimer states can be selectively and coherently populated from the two-atom ground state. This can be used to realize a two-qubit interaction gate which is not susceptible to mechanical forces between the atoms and is therefore immune to motional decoherence.

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  • Received 19 April 2014

DOI:https://doi.org/10.1103/PhysRevLett.113.123003

© 2014 American Physical Society

Authors & Affiliations

David Petrosyan1,2 and Klaus Mølmer3

  • 1Aarhus Institute of Advanced Studies, Aarhus University, DK-8000 Aarhus C, Denmark
  • 2Institute of Electronic Structure and Laser, FORTH, GR-71110 Heraklion, Crete, Greece
  • 3Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark

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Issue

Vol. 113, Iss. 12 — 19 September 2014

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