skip to main content

DOE PAGESDOE PAGES

Title: Stabilization of ring dark solitons in Bose-Einstein condensates

Earlier work has shown that ring dark solitons in two-dimensional Bose-Einstein condensates are generically unstable. In this work, we propose a way of stabilizing the ring dark soliton via a radial Gaussian external potential. We investigate the existence and stability of the ring dark soliton upon variations of the chemical potential and also of the strength of the radial potential. Numerical results show that the ring dark soliton can be stabilized in a suitable interval of external potential strengths and chemical potentials. Furthermore, we also explore different proposed particle pictures considering the ring as a moving particle and find, where appropriate, results in very good qualitative and also reasonable quantitative agreement with the numerical findings.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [5] ;  [6]
  1. Univ. of Massachusetts, Amherst, MA (United States)
  2. Univ. of Massachusetts, Amherst, MA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. San Diego State Univ., San Diego, CA (United States)
  4. Univ. of Athens, Athens (Greece)
  5. Boston Univ., Boston, MA (United States)
  6. Zhejiang Sci-Tech Univ., Zhejiang (China)
Publication Date:
OSTI Identifier:
1234714
Report Number(s):
LA-UR--15-23918
Journal ID: ISSN 1050-2947; PLRAAN; TRN: US1600432
Grant/Contract Number:
DMR1208046; DMS1312856; DMS1109587; DMS1309035; FA9550-12-1-0332; 11271342; AC52-06NA25396
Type:
Accepted Manuscript
Journal Name:
Physical Review. A
Additional Journal Information:
Journal Volume: 92; Journal Issue: 3; Journal ID: ISSN 1050-2947
Publisher:
American Physical Society (APS)
Research Org:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; 97 MATHEMATICS AND COMPUTING