Vortices in small Bose or Fermi systems with repulsive interactions

Christensson, J., Borgh, M. ORCID: https://orcid.org/0000-0003-4243-7051, Koskinen, M., Kavoulakis, G., Manninen, M. and Reimann, S. M. (2008) Vortices in small Bose or Fermi systems with repulsive interactions. Few-Body Systems, 43 (1-4). pp. 161-166. ISSN 0177-7963

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Abstract

For rotating Bose-Einstein condensates, the occurrence of vortices has been much discussed in the Gross-Pitaevskii approach. Here, we study vortex formation in finite systems with few particles for weak and repulsive two-body interactions, by numerical diagonalization. Vortex formation is surprisingly similar for both (spinless) bosonic and fermionic particles. Breaking the rotational invariance of the Hamiltonian of the system reveals the vortex patterns. A transformation from a many-fermion to a many-boson state is proposed.

Item Type: Article
Uncontrolled Keywords: atomic and molecular physics, and optics ,/dk/atira/pure/subjectarea/asjc/3100/3107
Related URLs:
Depositing User: LivePure Connector
Date Deposited: 01 Aug 2022 09:30
Last Modified: 13 Aug 2022 02:26
URI: https://ueaeprints.uea.ac.uk/id/eprint/87011
DOI: 10.1007/s00601-008-0226-6

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