| Issue |
EPL
Volume 120, Number 3, November 2017
|
|
|---|---|---|
| Article Number | 30004 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/120/30004 | |
| Published online | 18 January 2018 | |
Time correlation functions and Fisher zeros for q-deformed Bose gas
1 Ivan Franko National University of Lviv, Department for Theoretical Physics - 12 Drahomanov St., Lviv, 79005, Ukraine
2 Instytut Matematyki, Uniwersytet Marii Curie-Sklodowskiej - 20-031 Lublin, Poland
Received: 4 November 2017
Accepted: 3 January 2018
The time-dependent correlation functions of the q-deformed Bose gas are studied. We find the relation of zeros of the correlation functions with the Fisher zeros of the partition function of the system. The complex temperature appears as a result of q-deformation and evolution of the correlation function. A particular case of q-deformed Bose particles on two levels is examined and the zeros of correlation functions and Fisher zeros of the partition function are analyzed.
PACS: 05.30.-d – Quantum statistical mechanics / 05.30.Jp – Boson systems / 02.20.Uw – Quantum groups
© EPLA, 2018
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