The influence of local correlations on the phase states in the model of «semi-hard-core» bosons on a square lattice
- Авторлар: Ulitko V.A.1, Konev V.V.1, Chikov A.A.1, Panov Y.D.1
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Мекемелер:
- Ural Federal University
- Шығарылым: Том 88, № 9 (2024)
- Беттер: 1438–1444
- Бөлім: Condensed Matter Physics
- URL: https://journal-vniispk.ru/0367-6765/article/view/283414
- DOI: https://doi.org/10.31857/S0367676524090154
- EDN: https://elibrary.ru/OCZHJX
- ID: 283414
Дәйексөз келтіру
Аннотация
We considered a model of charged «semi-hard-core» bosons on a square lattice with a possible occupation number 𝑛𝑖 = 0, 1, 2 at each node. Using the quantum Monte-Carlo method, temperature phase diagrams of the model were obtained and the influence of local charge correlations was studied. It is shown that local charge correlations lead to an increase in the role of quantum fluctuations in the formation of phase states.
Негізгі сөздер
Авторлар туралы
V. Ulitko
Ural Federal University
Хат алмасуға жауапты Автор.
Email: vasiliy.ulitko@urfu.ru
Ресей, Ekaterinburg
V. Konev
Ural Federal University
Email: vasiliy.ulitko@urfu.ru
Ресей, Ekaterinburg
A. Chikov
Ural Federal University
Email: vasiliy.ulitko@urfu.ru
Ресей, Ekaterinburg
Y. Panov
Ural Federal University
Email: vasiliy.ulitko@urfu.ru
Ресей, Ekaterinburg
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