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Ring solitons and soliton sacks in imbalanced fermionic systems

Barkman, Mats, Samoilenka, Albert, Winyard, Thomas, Babaev, Egor (2020) Ring solitons and soliton sacks in imbalanced fermionic systems. Physical Review Research, 2 (4). Article Number 043282. ISSN 2643-1564. (doi:10.1103/PhysRevResearch.2.043282) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:90785)

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Official URL:
https://doi.org/10.1103/PhysRevResearch.2.043282

Abstract

We show that in superfluids with fermionic imbalance and uniform ground state, there are stable solitons. These solutions are formed of radial density modulations resulting in nodal rings. We demonstrate that these solitons exhibit nontrivial soliton-soliton and soliton-vortex interactions and can form complicated bound states in the form of “soliton sacks.” In a phase-modulating (Fulde-Ferrell) background, we find different solitonic states, in the form of stable vortex-antivortex pairs.

Item Type: Article
DOI/Identification number: 10.1103/PhysRevResearch.2.043282
Uncontrolled keywords: Cold atoms & matter waves; FFLO; Solitons; Superfluids; Ultracold gases
Subjects: Q Science > QC Physics > QC20 Mathematical Physics
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Mathematics, Statistics and Actuarial Science
Depositing User: Amy Boaler
Date Deposited: 11 Oct 2021 11:13 UTC
Last Modified: 04 Mar 2024 19:45 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/90785 (The current URI for this page, for reference purposes)

University of Kent Author Information

Winyard, Thomas.

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