Superfluid behavior of a Bose-Einstein condensate in a random potential
- Author(s)
- Martin Könenberg, Thomas Moser, Robert Seiringer, Jakob Yngvason
- Abstract
We investigate the relation between Bose–Einstein condensation (BEC) and superfluidity in the ground state of a one-dimensional model of interacting bosons in a strong random potential. We prove rigorously that in a certain parameter regime the superfluid fraction can be arbitrarily small while complete BEC prevails. In another regime there is both complete BEC and complete superfluidity, despite the strong disorder.
- Organisation(s)
- Computational and Soft Matter Physics, Mathematical Physics
- External organisation(s)
- Memorial University of Newfoundland, IST Austria - Institute of Science and Technology
- Journal
- New Journal of Physics
- Volume
- 17
- No. of pages
- 10
- ISSN
- 1367-2630
- DOI
- https://doi.org/10.1088/1367-2630/17/1/013022
- Publication date
- 01-2015
- Peer reviewed
- Yes
- Austrian Fields of Science 2012
- 103019 Mathematical physics
- Keywords
- ASJC Scopus subject areas
- Physics and Astronomy(all)
- Portal url
- https://ucris.univie.ac.at/portal/en/publications/superfluid-behavior-of-a-boseeinstein-condensate-in-a-random-potential(3fc5a428-a1e7-4fe4-b63c-9512e1e822d7).html