Generation of dipolar supersolids through a barrier sweep in droplet lattices

• URL: http://arxiv.org/abs/2603.29203v1
• Date: Tue, 31 Mar 2026 03:15:03 GMT
• Title: Generation of dipolar supersolids through a barrier sweep in droplet lattices
• Abstract summary: We propose a protocol to generate supersolids in dipolar quantum gases by sweeping a repulsive Gaussian barrier through a quasi-one-dimensional droplet array.<n>Supersolidity is inferred by monitoring the dynamics of the density, momentum distribution, center-of-mass motion, and superfluid fraction.<n>Our results pave the way for engineering supersolid generation using experimentally accessible protocols.
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• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We propose a dynamical protocol to generate supersolids in dipolar quantum gases by sweeping a repulsive Gaussian barrier through an incoherent quasi-one-dimensional droplet array. Supersolidity is inferred by monitoring the ensuing dynamics of the density, momentum distribution, center-of-mass motion, and superfluid fraction within the framework of the extended Gross-Pitaevskii equation with quantum corrections. A persistent superfluid background arises, atop which the crystals oscillate in unison, indicating the establishment of phase coherence. This process is accompanied by energy redistribution and the gradual transfer of higher-lying momenta toward the zero momentum mode. The dependence of the superfluid fraction on the barrier velocity and height is also elucidated evincing the parametric regions which facilitate the rise of a superfluid background. Our results pave the way for engineering supersolid generation using experimentally accessible protocols.

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