Realizing the Frenkel-Kontorova model with Rydberg-dressed atoms

Jorge Mellado Muñoz, Rahul Sawant, Anna Maffei, Xi Wang, and Giovanni Barontini
Phys. Rev. A 102, 043308 – Published 7 October 2020

Abstract

We propose a method to realize the Frenkel-Kontorova model using an array of Rydberg-dressed atoms. Our platform can be used to study this model with a range of realistic interatomic potentials. In particular, we concentrate on two types of interaction potentials: A springlike potential and a repulsive long-range potential. We numerically calculate the phase diagram for such systems and characterize the Aubry-type and commensurate-incommensurate phase transitions. Experimental realizations of this system are also discussed.

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  • Received 29 June 2020
  • Accepted 16 September 2020

DOI:https://doi.org/10.1103/PhysRevA.102.043308

©2020 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalCondensed Matter, Materials & Applied Physics

Authors & Affiliations

Jorge Mellado Muñoz1, Rahul Sawant1,*, Anna Maffei1,2, Xi Wang1, and Giovanni Barontini1

  • 1School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
  • 2Dipartimento di Fisica “E. Fermi,” Università di Pisa, Largo B. Pontecorvo 3, 56127 Pisa, Italy

  • *r.v.sawant@bham.ac.uk

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Vol. 102, Iss. 4 — October 2020

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