Yang-Yang thermometry and momentum distribution of a trapped one-dimensional Bose gas

Davis, M. J., Blakie, P. B., van Amerongen, A. H., van Druten, N. J. and Kheruntsyan, K. V. (2012) Yang-Yang thermometry and momentum distribution of a trapped one-dimensional Bose gas. Physical Review A, 85 3: 031604.1-031604.5. doi:10.1103/PhysRevA.85.031604

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Author Davis, M. J.
Blakie, P. B.
van Amerongen, A. H.
van Druten, N. J.
Kheruntsyan, K. V.
Title Yang-Yang thermometry and momentum distribution of a trapped one-dimensional Bose gas
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 2012-03-23
Sub-type Article (original research)
DOI 10.1103/PhysRevA.85.031604
Open Access Status File (Publisher version)
Volume 85
Issue 3
Start page 031604.1
End page 031604.5
Total pages 5
Place of publication College Park, MD, U.S.A.
Publisher American Physical Society
Language eng
Formatted abstract
We describe the use of the exact Yang-Yang solutions for the one-dimensional Bose gas to enable accurate kinetic-energy thermometry based on the root-mean-square width of an experimentally measured momentum distribution. Furthermore, we use the stochastic projected Gross-Pitaevskii theory to provide a quantitative description of the full momentum distribution measurements of Van Amerongen et al. [Phys. Rev. Lett. 100, 090402 (2008)]. We find the fitted temperatures from the stochastic projected Gross-Pitaevskii approach are in excellent agreement with those determined by Yang-Yang kinetic-energy thermometry.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
Official 2013 Collection
 
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Created: Fri, 13 Apr 2012, 23:02:26 EST by Dr Karen Kheruntsyan on behalf of Physics