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Self-bound crystals of antiparallel dipolar mixtures

Authors :
Arazo, Maria
Gallemí, Albert
Guilleumas, Montserrat
Mayol, Ricardo
Santos, Luis
Source :
Phys. Rev. Research 5, 043038 (2023)
Publication Year :
2023

Abstract

Recent experiments have created supersolids of dipolar quantum droplets. The resulting crystals lack, however, a genuine cohesive energy and are maintained by the presence of an external confinement, bearing a resemblance to the case of ion Coulomb crystals. We show that a mixture of two antiparallel dipolar condensates allows for the creation of potentially large, self-bound crystals which, resembling ionic crystals in solid-state physics, are maintained by the mutual dipolar attraction between the components, with no need of transversal confinement. This opens intriguing novel possibilities, including three-dimensionally self-bound droplet-ring structures, stripe/labyrinthic patterns, and self-bound crystals of droplets surrounded by an interstitial superfluid, resembling the case of superfluid Helium in porous media.

Subjects

Subjects :
Condensed Matter - Quantum Gases

Details

Database :
arXiv
Journal :
Phys. Rev. Research 5, 043038 (2023)
Publication Type :
Report
Accession number :
edsarx.2303.02087
Document Type :
Working Paper
Full Text :
https://doi.org/10.1103/PhysRevResearch.5.043038