- Tytuł:
- Phase Transitions of Bosons in Optical Lattices with a Mixture of Single and Pair Hoppings
- Autorzy:
-
Travin, V.
Kopeć, T. - Powiązania:
- https://bibliotekanauki.pl/articles/1398644.pdf
- Data publikacji:
- 2016-08
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
67.10.Fj
67.85.Hj
67.90.+z - Opis:
- We considered Bose condensate in optical lattice with mixture of single and pair hoppings for arbitrary temperatures. In order to calculate free energy of the system and determine phase transition lines between disordered and ordered phases, the Laplace transform method has been applied. We identified several possible scenarios for phase diagrams with phase transitions of the second kind. The results have been obtained from both analytical and numerical methods of calculation. Finally, we obtained thermal insensitivity of the system for big values of reduced pair hopping and (or) reduced chemical potential.
- Źródło:
-
Acta Physica Polonica A; 2016, 130, 2; 625-628
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki
Artykuł