Abstract
The current advances in the field of ultracold atoms and atomic traps recall new controllable long-range interactions. These interactions are expected to extend the range of realizable quantum algorithms as well as provide new control mechanisms for the new types of quantum matters. This Letter presents special interatomic interactions between Rydberg-dressed atoms by manipulating the lasers' linewidth. The proposed interaction features a hybrid spatial profile containing plateaus and Gaussian peaks. Combined with dynamic control over the sign and strength of individual interaction elements, the Rydberg noisy-dressing (RnD) scheme provides a valuable interaction toolbox for quantum technology. As an example, RnD's applications in making stable gigantic three-dimensional soliton molecules and in the formation of quasiperiodic droplet crystals are discussed.Received 29 June 2020Accepted 15 July 2021DOI:https://doi.org/10.1103/PhysRevResearch.3.L032033Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.Published by the American Physical SocietyPhysics Subject Headings (PhySH)Research AreasCold and ultracold moleculesCold atoms & matter wavesLight-matter interactionLong-range interactionsQuantum information with atoms & lightPhysical SystemsRydberg atoms & moleculesAtomic, Molecular & OpticalQuantum InformationNonlinear DynamicsCondensed Matter, Materials & Applied Physics
Highlights
The current advances in the field of ultracold atoms and atomic traps recall new controllable long-range interactions
By adding laser linewidths to the dynamics of the inresonance Rydberg dressing scheme [19], this Letter shows that laser noise could be used as a controlling knob for manipulating the interaction features
The absence of a repulsive isotropic dressing interaction in alkaline atoms [39] could be provided by the Rydberg noisy-dressing (RnD) interaction
Summary
The current advances in the field of ultracold atoms and atomic traps recall new controllable long-range interactions. The RnD scheme is applied here for designing the phase-independent self-generated potential featuring an inner soft-core attraction supporting the 3D selftrapped soliton, an outer repulsive shell (barrier) preventing soliton fusion, and a second attractive layer (well) used for completing the bound state resulting in giant stable soliton molecules.
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