Ooi, Chong Heng Raymond and Liu, Wu Ming (2019) Molecular Bose–Einstein condensates: effects of molecular rotations on transition temperature and heat capacity. Journal of Physics B: Atomic, Molecular and Optical Physics, 52 (14). p. 145301. ISSN 0953-4075, DOI https://doi.org/10.1088/1361-6455/ab08b0.
Full text not available from this repository.Abstract
We study the effects of molecular rotations on the transition temperature of molecular Bose-Einstein condensates (BEC). A semi-analytical method that includes the translation and rotational degrees of freedom is introduced to compute the temperature dependence of the mean condensate number and the heat capacity. Rotating molecules show a lower transition temperature and smaller heat capacity compared to an atomic BEC. The transition temperature increases with increased rotational frequency. These findings are explained and verified by analytical expressions that we derive. The results for three-, two- and one-dimensional harmonic traps are compared, showing a higher transition temperature for molecules in a lower dimensional trap. We discuss the possibility of realizing the trapping and rotational parameters. © 2019 IOP Publishing Ltd.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Uncontrolled Keywords: | grand canonical; heat capacity; molecular Bose Einstein condensates; transition temperature |
| Subjects: | Q Science > Q Science (General) Q Science > QC Physics |
| Divisions: | Faculty of Science > Department of Physics |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 14 Feb 2020 02:29 |
| Last Modified: | 14 Feb 2020 02:29 |
| URI: | http://eprints.um.edu.my/id/eprint/23791 |
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