Mixed spin-1/2 and spin-1 Ising model with uniaxial and biaxial single-ion anisotropy on the Bethe lattice |
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| Authors: | Cesur Ekiz Jozef Stre?ka Michal Ja??ur |
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| Institution: | (1) Department of Physics, Faculty of Science, Adnan Menderes University, 09010 Aydın, Turkey;(2) Department of Theoretical Physics and Astrophysics, Faculty of Science, P. J. Šafárik University, Park Angelinum 9, 040 01 Košice, Slovak Republic |
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| Abstract: | The mixed spin-1/2 and spin-1 Ising model on the Bethe lattice with both uniaxial as well as biaxial single-ion anisotropy
terms is solved exactly by combining star-triangle and triangle-star mapping transformations with exact recursion relations.
Magnetic properties (magnetization, phase diagrams, and compensation phenomenon) are investigated in detail. Particular attention
is focused on the effect of uniaxial and biaxial single-ion anisotropies that basically influence the magnetic behavior of
the spin-1 atoms.
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| Keywords: | exact solution uniaxial and biaxial single-ion anisotropy star-triangle transformation Bethe lattice |
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