Non-equilibrium flows and superfluid turbulence in finite temperature dilute gas Bose-Einstein condensates

Davis, Matthew J., Wright, Tod M., Simula, Tapio, Feng, Chao and Garrett, Michael C. (2011). Non-equilibrium flows and superfluid turbulence in finite temperature dilute gas Bose-Einstein condensates. In: Quantum Electronics Conference & Lasers and electro-optics (CLEO/IQEC/Pacific Rim), 2011 : incorporating the Australasian Conference on Optics, Lasers and Spectroscopy and the Australian Conference on Optical Fibre Technology. International Quantum Electronics Conference, IQEC 2011 and Conference on Lasers and Electro-Optics, CLEO Pacific Rim 2011, Sydney, NSW Australia, (1074-1075). 28 August - 1 September 2011. doi:10.1109/IQEC-CLEO.2011.6194108


Author Davis, Matthew J.
Wright, Tod M.
Simula, Tapio
Feng, Chao
Garrett, Michael C.
Title of paper Non-equilibrium flows and superfluid turbulence in finite temperature dilute gas Bose-Einstein condensates
Conference name International Quantum Electronics Conference, IQEC 2011 and Conference on Lasers and Electro-Optics, CLEO Pacific Rim 2011
Conference location Sydney, NSW Australia
Conference dates 28 August - 1 September 2011
Proceedings title Quantum Electronics Conference & Lasers and electro-optics (CLEO/IQEC/Pacific Rim), 2011 : incorporating the Australasian Conference on Optics, Lasers and Spectroscopy and the Australian Conference on Optical Fibre Technology
Place of Publication Piscataway, NJ United States
Publisher I E E E
Publication Year 2011
Year available 2011
Sub-type Other
DOI 10.1109/IQEC-CLEO.2011.6194108
Open Access Status
ISBN 9780977565771
9781457719394
Start page 1074
End page 1075
Total pages 2
Collection year 2012
Language eng
Abstract/Summary Dilute gas Bose-Einstein condensates (BECs) are an example of a superfluid, and exhibit many of the same phenomena as the strongly interacting superfluid helium. However, their isolation from the environment combined with their inhomogeneous density profiles make it difficult to observe some phenomena, such as the thermo-mechanical effect, in experiments. Here we perform dynamical simulations of a finite temperature Bose-Einstein condensate coupled to spatially separated heat and particle reservoirs to observe such non-equilibrium superfluid phenomena. We analyse the resulting steady-state non-equilibrium flows in the BEC, and consider the prospect of observing sustained superfluid turbulence.
Subjects 2208 Electrical and Electronic Engineering
Q-Index Code EX
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Conference Paper
Collection: School of Mathematics and Physics
 
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