کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
979683 | 1645122 | 2006 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Phase diagram and tricritical behavior of the spin-1 Heisenberg model with Dzyaloshinskii-Moriya interactions
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
فیزیک ریاضی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Phase diagram and tricritical behavior of the spin-1 Heisenberg model with Dzyaloshinskii-Moriya interactions Phase diagram and tricritical behavior of the spin-1 Heisenberg model with Dzyaloshinskii-Moriya interactions](/preview/png/979683.png)
چکیده انگلیسی
Using the two-spin cluster mean-field method, the spin-1 Heisenberg model with Dzyaloshinskii-Moriya (DM) interactions is studied for the simple cubic lattice. For the case of the DM vector coupling Dâ=Dz^ (D is the DM interaction parameter and z^ is the unit vector of the z-axis direction), the phase diagram of this system and the thermal behavior of the magnetization are obtained, and it is found that the system exhibits the tricritical point. The critical behavior of the system may be interpreted as a result of a competition between the exchange interaction and the DM interaction.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica A: Statistical Mechanics and its Applications - Volume 370, Issue 2, 15 October 2006, Pages 585-590
Journal: Physica A: Statistical Mechanics and its Applications - Volume 370, Issue 2, 15 October 2006, Pages 585-590
نویسندگان
Guang-Hou Sun, Xiang-Mu Kong,