The control over the geometry and topology of quantum systems is crucial for advancing novel quantum technologies. This work provides a synthesis of recent insights into the behavior of quantum vortices within atomic Bose–Einstein condensates (BECs) subject to curved geometric constraints. We highlight the significant impact of the curvature on the condensate density and phase distribution, particularly in quasi-one-dimensional waveguides for different angular momentum states. An engineered periodic transport of the quantized vorticity between density-coupled ring-shaped condensates is discussed. The significant role of curved geometry in shaping the dynamics of rotational Josephson vortices in long atomic Josephson junctions is illustrated for the system of vertically stacked toroidal condensates. Different methods for the controlled creation of rotational Josephson vortices in coupled ring systems are described in the context of the formation of long-lived vortex configurations in shell-shaped BECs with cylindrical geometry. Future directions of explorations of vortices in curved geometries with implications for quantum information processing and sensing technologies are discussed.
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September 2024
Perspective|
August 16 2024
Quantum vortices in curved geometries
Special Collection:
Quantum Bubbles
A. Tononi
;
A. Tononi
(Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing)
1
ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
, Av. Carl Friedrich Gauss 3, 08860 Castelldefels, Barcelona, Spain
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L. Salasnich
;
L. Salasnich
(Conceptualization, Funding acquisition, Investigation, Methodology, Supervision, Writing – review & editing)
2
Dipartimento di Fisica e Astronomia “Galileo Galilei,” Università di Padova, and INFN, Sezione di Padova
, Via Marzolo 8, 35131 Padova, Italy
3
Istituto Nazionale di Ottica (INO) del Consiglio Nazionale delle Ricerche (CNR)
, Via Nello Carrara 1, 50019 Sesto Fiorentino, Italy
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A. Yakimenko
A. Yakimenko
(Conceptualization, Data curation, Formal analysis, Investigation, Software, Validation, Visualization, Writing – original draft, Writing – review & editing)
2
Dipartimento di Fisica e Astronomia “Galileo Galilei,” Università di Padova, and INFN, Sezione di Padova
, Via Marzolo 8, 35131 Padova, Italy
4
Department of Physics, Taras Shevchenko National University of Kyiv
, 64/13, Volodymyrska Street, Kyiv 01601, Ukraine
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AVS Quantum Sci. 6, 030502 (2024)
Article history
Received:
March 30 2024
Accepted:
July 30 2024
Citation
A. Tononi, L. Salasnich, A. Yakimenko; Quantum vortices in curved geometries. AVS Quantum Sci. 1 September 2024; 6 (3): 030502. https://doi.org/10.1116/5.0211426
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