| Issue |
EPL
Volume 129, Number 3, February 2020
|
|
|---|---|---|
| Article Number | 30007 | |
| Number of page(s) | 5 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/129/30007 | |
| Published online | 11 March 2020 | |
Equilibrium of a boson gas in curved spacetime coordinates
Fukui Prefectural University - 4-1-1 Kenjosima, Eiheiji, Fukui 910-1196, Japan
Received: 25 November 2019
Accepted: 18 February 2020
Planck distribution in a Rindler spacetime has been calculated as an example of boson gas equilibrium under acceleration/gravitation. It is known that local temperatures of a matter in acceleration/gravitation are not uniform since energy (=mass) is subject to its effect. This causes difficulty in calculating a boson gas equilibrium since bosons are waves spread over the cavity and not localized. A global temperature is introduced, which is based on the conserved quantities resulting from the Killing flow, to overcome this difficulty in the present paper; the Planck distribution is successfully obtained.
PACS: 05.30.-d – Quantum statistical mechanics / 03.65.-w – Quantum mechanics / 05.30.Jp – Boson systems
© EPLA, 2020
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