THE GROUND-STATE PHASE DIAGRAMS OF SPIN-3/2 ISING MODEL ON A FM/AFM TWO-LAYER LATTICE WITH CRYSTAL FIELD

被引：0
作者：
Albayrak, Erhan [1 ]
Yigit, Ali [1 ,2 ]
Cengiz, Tunc [1 ]
机构：
[1] Erciyes Univ, Dept Phys, TR-38039 Kayseri, Turkey
[2] Cankiri Karatekin Univ, Dept Phys, TR-18100 Cankiri, Turkey
来源：
MODERN PHYSICS LETTERS B | 2010年 / 24卷 / 22期
关键词：
Spin-3/2; two-layer; ground-state; FM/AFM; crystal field; BLUME-CAPEL MODEL; BETHE LATTICE; MULTICRITICAL BEHAVIOR; SQUARE LATTICE;
D O I：
10.1142/S0217984910024663
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The ground-state (GS) phase diagrams of spin-3/2 Ising model for ferromagnetic/antiferromagnetic (FM/AFM) interactions on a two-layer lattice are studied under a constant magnetic field by varying the crystal field values for general coordination number q in detail. Thus, it is found that the system exhibits twenty-nine topologically different GS configurations according to their GS phase diagrams obtained in the (J(2)/J(1), J(3)/qJ(1)) planes. As the crystal field becomes more and more negative, the remaining phase configurations in the phase diagrams include only spin +/- 1/2 values as expected.
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收藏
页码：2335 / 2343
页数：9
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