Computation of latent heat in the system of multi-component order parameter : 3D Ashkin-Teller model

• Autorzy: Jeziorek-Knioła D. , Wojtkowiak Z. , Musiał G.

Identyfikatory

DOI

10.12921/cmst.2018.0000053

• Języki publikacji: EN

Abstrakty

EN

The method for computing the latent heat in a system with many independently behaving components of the order parameter proposed previously is presented for a chosen point of the phase diagram of the 3D Ashkin-Teller (AH) model. Binder, Challa, and Lee-Kosterlitz cumulants are exploited and supplemented by the use of the energy distribution histogram. The proposed computer experiments using the Metropolis algorithm calculate the cumulants in question, the internal energy and its partial contributions as well as the energy distribution for the model Hamiltonian and its components. The important part of our paper is an attempt to validate the results obtained by several independent methods.

Słowa kluczowe

EN

standard 3D Ashkin-Teller model; temperature driven phase transitions; latent heat; high performance computing

• Wydawca: Institute of Bioorganic Chemistry Scientific Publishers OWN, Polish Academy of Sciences
• Czasopismo: Computational Methods in Science and Technology
• Rocznik: 2019
• Tom: Vol. 25, No. 1
• Strony: 31--39
• Opis fizyczny: Bibliogr. 25 poz., rys.

Twórcy

autor

Jeziorek-Knioła D.

• Adam Mickiewicz University Faculty of Physics ul. Umultowska 85 61-614 Poznań, Poland

autor

Wojtkowiak Z.

• Adam Mickiewicz University Faculty of Physics ul. Umultowska 85 61-614 Poznań, Poland

autor

Musiał G.

• Adam Mickiewicz University Faculty of Physics ul. Umultowska 85 61-614 Poznań, Poland

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).