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Supershell structures and pairing in ultracold trapped Fermi gases

Ögren, Magnus LU and Heiselberg, Henning (2007) In Physical Review A (Atomic, Molecular and Optical Physics) 76(2).
Abstract
We calculate level densities and pairing gaps for an ultracold dilute gas of fermionic atoms in harmonic traps under the influence of mean field and anharmonic quartic trap potentials. Supershell nodes, which were found in Hartree-Fock calculations, are calculated analytically within periodic orbit theory as well as from WKB calculations. For attractive interactions, the underlying level densities are crucial for pairing and supershell structures in gaps are predicted.
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review A (Atomic, Molecular and Optical Physics)
volume
76
issue
2
publisher
American Physical Society (APS)
external identifiers
  • wos:000249154900004
  • scopus:34547692553
ISSN
1050-2947
DOI
10.1103/PhysRevA.76.021601
language
English
LU publication?
yes
id
2c8a10c8-3a39-4d57-848f-d4449deeaf78 (old id 687624)
alternative location
http://link.aps.org/abstract/PRA/v76/e021601
date added to LUP
2007-12-19 09:15:45
date last changed
2017-01-01 05:17:33
@article{2c8a10c8-3a39-4d57-848f-d4449deeaf78,
  abstract     = {We calculate level densities and pairing gaps for an ultracold dilute gas of fermionic atoms in harmonic traps under the influence of mean field and anharmonic quartic trap potentials. Supershell nodes, which were found in Hartree-Fock calculations, are calculated analytically within periodic orbit theory as well as from WKB calculations. For attractive interactions, the underlying level densities are crucial for pairing and supershell structures in gaps are predicted.},
  author       = {Ögren, Magnus and Heiselberg, Henning},
  issn         = {1050-2947},
  language     = {eng},
  number       = {2},
  publisher    = {American Physical Society (APS)},
  series       = {Physical Review A (Atomic, Molecular and Optical Physics)},
  title        = {Supershell structures and pairing in ultracold trapped Fermi gases},
  url          = {http://dx.doi.org/10.1103/PhysRevA.76.021601},
  volume       = {76},
  year         = {2007},
}