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Engineering chiral spin interactions with Rydberg atoms

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arxiv 2309.08795 v1 pith:EWTRWC7U submitted 2023-09-15 physics.atom-ph cond-mat.quant-gasquant-ph

Engineering chiral spin interactions with Rydberg atoms

Elena Kuznetsova , S. I. Mistakidis , Seth T. Rittenhouse , Susanne F. Yelin , H. R. Sadeghpour This is my paper
classification physics.atom-ph cond-mat.quant-gasquant-ph
keywords rydberginteractionatomarrayschiralcouplinginteractionsspin
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We propose to simulate the anisotropic and chiral Dzyaloshinskii-Moriya (DM) interaction with Rydberg atom arrays. The DM Hamiltonian is engineered in a one-dimensional optical lattice or trap array with effective long-range Rydberg spins, interacting indirectly via a mobile mediator Rydberg atom. A host of XXZ and DM Hamiltonians can be simulated with out-of-phase sign periodic coupling strengths; for initial states in a stationary condensate, the DM interaction vanishes. This theory allows for determination of the DM interaction (DMI) vector components from first principles. The inherent anisotropy of the Rydberg-Rydberg interactions, facilitates the DMI coupling to be tuned so as to be comparable to the XXZ interaction. Our results make plausible the formation of non-trivial topological spin textures with Rydberg atom arrays.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Magnetic-field control of interactions in alkaline-earth Rydberg atoms and applications to {\it XXZ} models

    cond-mat.quant-gas 2026-04 unverdicted novelty 6.0

    Magnetic fields tune the XXZ anisotropy parameter in alkaline-earth Rydberg pairs, allowing a folded XXZ model in ytterbium without fine-tuning and a mean-field supersolid on the square lattice.

  2. Magnetic-field control of interactions in alkaline-earth Rydberg atoms and applications to {\it XXZ} models

    cond-mat.quant-gas 2026-04 accept novelty 6.0

    Ytterbium Rydberg pairs naturally realize strongly anisotropic XXZ spin interactions that can be tuned by a magnetic field.

  3. Spontaneous Symmetry Breaking in Chiral Current-Carrying High-Energy Eigenstates

    cond-mat.str-el 2025-12 conditional novelty 6.0

    Ground states of a chirality-plus-field Hamiltonian are exact Heisenberg-chain eigenstates with zero entropy, finite chirality, and spontaneously broken symmetry.