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Interaction Blockade and Pairing in Two-Dimensional Finite Fermion Systems
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- Armstrong, Jeremy (author)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
- Rontani, M. (author)
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- Åberg, Sven (author)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Zelevinsky, V. G. (author)
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- (creator_code:org_t)
- 2009-03-03
- 2009
- English.
- In: Few-body Systems. - : Springer Science and Business Media LLC. - 0177-7963 .- 1432-5411. ; 45:2-4, s. 219-222
- Conference paper (peer-reviewed)
Abstract
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- The properties of two-component fermionic quantum systems in two dimensions, such as they nowadays may be realized with cold atoms in traps, are studied within the pairing model adapted from nuclear physics. We compare the results with those of a full numerical diagonalization of the many-body Hamiltonian. The chemical potential differences, excitation energies and angular momentum spectra show that when the zero-range attractive interaction is varied in strength, strong odd-even effects, gaps and shell structure emerge.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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- ref (subject category)
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