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pro vyhledávání: '"Albayrak, E."'
Publikováno v:
Condensed Matter Physics, 2024, Vol. 27, No. 2, 23704
The magnetic properties and hysteresis loops for the hexagonal Ising nanowire (HIN) with a core-shell structure consisting of mixed spins with the core spin being spin-5/2 and the shell spins being spin-3/2 are studied. The Blume-Capel model is consi
Externí odkaz:
http://arxiv.org/abs/2406.18732
Autor:
Albayrak, E.
Publikováno v:
Condensed Matter Physics, 2022, vol. 25, No. 3, 33701
The spin-1/2 Heisenberg model is formulated in terms of a mean-field approximation (MFA) by using the matrix forms of spin operators $\hat{S}_x,\hat{S}_y$ and $\hat{S}_z$ in three-dimensions. The considered Hamiltonian consists of bilinear exchange i
Externí odkaz:
http://arxiv.org/abs/2210.03542
Publikováno v:
In Journal of Magnetism and Magnetic Materials 15 May 2024 598
Publikováno v:
Condens. Matter Phys., 2021, vol. 24, No. 1, 13704
Thermodynamic properties of the mixed spin-3/2 and spin-1/2 Heisenberg model are examined within the Oguchi approximation in the presence of a random crystal-field (RCF). The RCF is either introduced with probability p or turned off with probability
Externí odkaz:
http://arxiv.org/abs/2103.15548
Autor:
Albayrak, E.1 albayrak@erciyes.edu.tr
Publikováno v:
Lithuanian Journal of Physics. 2024, Vol. 64 Issue 1, p1-10. 10p.
Publikováno v:
Condens. Matter Phys., 2019, vol. 22, No. 3, 33601
We used mean-field theory based on the Bogoliubov inequality for the Gibbs free energy to examine the magnetic properties of a mixed spin-5/2 and spin-7/2 Blume-Capel ferrimagnetic system. The thermal behaviours of the system magnetization are classi
Externí odkaz:
http://arxiv.org/abs/1910.00908
Publikováno v:
In Physica A: Statistical Mechanics and its Applications 15 August 2023 624
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Publikováno v:
In Physica A: Statistical Mechanics and its Applications 15 October 2022 604
Publikováno v:
In Physica B: Physics of Condensed Matter 1 June 2022 634