Self-consistent approach to magnetic ordering and excited site occupation processes in a two-level system

被引：0
|
作者：
Korynevskii, M. A. [1 ,2 ,3 ]
Solovyan, V. B. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Condensed Matter Phys, UA-79011 Lvov, Ukraine
[2] Lviv Polytech Natl Univ, UA-79013 Lvov, Ukraine
[3] Univ Szczecin, Inst Phys, PL-70451 Szczecin, Poland
来源：
CONDENSED MATTER PHYSICS | 2015年 / 18卷 / 03期
关键词：
magnetics; two-level system; phase transitions; PHASE TRANSITIONS; LATTICE-GAS; MODEL; STATES; FLUID; FIELD;
D O I：
10.5488/CMP.18.33706
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Ferromagnetic ordering in a two-level partially excited system is studied in detail. Magnitudes of magnetization (magnetic order parameter) and lattice ordering (excited level occupation number) are calculated self-consistently. The influence of an external magnetic field and excited level gap on the ferromagnetic phase transition is discussed.
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页数：12
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