Ground-state properties of a Tonks-Girardeau gas in a split trap
dc.contributor.author | Goold, John | |
dc.contributor.author | Busch, Thomas | |
dc.date.accessioned | 2017-08-25T10:08:53Z | |
dc.date.available | 2017-08-25T10:08:53Z | |
dc.date.issued | 2008 | |
dc.description.abstract | We determine the exact many-body properties of a bosonic Tonks-Girardeau gas confined in a harmonic potential with a tunable delta-function barrier at the trap center. This is done by calculating the reduced single-particle density matrix, the pair-distribution function, and the momentum distribution of the gas as a function of barrier strength and particle number. With increasing barrier height we find that the ground-state occupation in a diagonal basis diverges from the root N behavior that is expected for the case of a simple harmonic trap. In fact, the scaling of the occupation number depends on whether one has an even or odd number of particles. Since this quantity is a measure of the coherence of our sample we show how the odd-even effect manifests itself in both the momentum distribution of the Bose gas and interference fringe visibility during free temporal evolution. | en |
dc.description.status | Peer reviewed | en |
dc.description.version | Published Version | en |
dc.format.mimetype | application/pdf | en |
dc.identifier.articleid | 63601 | |
dc.identifier.citation | Goold, J. and Busch, T. (2008) 'Ground-state properties of a Tonks-Girardeau gas in a split trap', Physical Review A, 77(6), 063601 (7pp). doi: 10.1103/PhysRevA.77.063601 | en |
dc.identifier.doi | 10.1103/PhysRevA.77.063601 | |
dc.identifier.issn | 1050-2947 | |
dc.identifier.issued | 6 | |
dc.identifier.journaltitle | Physical Review A | en |
dc.identifier.uri | https://hdl.handle.net/10468/4541 | |
dc.identifier.volume | 77 | |
dc.language.iso | en | en |
dc.publisher | American Physical Society | en |
dc.relation.uri | https://journals.aps.org/pra/abstract/10.1103/PhysRevA.77.063601 | |
dc.rights | © 2008, American Physical Society | en |
dc.subject | Impenetrable bosons | en |
dc.subject | Atoms | en |
dc.subject | Systems | en |
dc.title | Ground-state properties of a Tonks-Girardeau gas in a split trap | en |
dc.type | Article (peer-reviewed) | en |
Files
Original bundle
1 - 1 of 1
Loading...
- Name:
- 3578.pdf
- Size:
- 331.46 KB
- Format:
- Adobe Portable Document Format
- Description:
- Published Version