کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1804646 | 1024651 | 2007 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ground-state magnetic properties of the spin-32 transverse Ising model
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Ground-state magnetic properties of the spin-32 transverse Ising model Ground-state magnetic properties of the spin-32 transverse Ising model](/preview/png/1804646.png)
چکیده انگلیسی
The ground-state phase diagrams and the magnetization curves of the spin-32 transverse Ising model with longitudinal crystal field D are studied within the framework of mean-field theory (MFT) and effective-field theory (EFT), respectively. A simple calculation method of the internal energy is presented within the framework of EFT. In the ground-state phase diagram given by using EFT, the second-order phase transition line is divided into two segments by the first-order phase transition line: one starts from a critical end point and extends to Dâ-â; the other one starts from a tricritical point and extends to Dâ+â, while it does not occur in MFT. Some interesting phenomena of the first-order phase transition from one ordered phase to another one ordered have been found.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 315, Issue 2, August 2007, Pages 71-76
Journal: Journal of Magnetism and Magnetic Materials - Volume 315, Issue 2, August 2007, Pages 71-76
نویسندگان
Guozhu Wei, Hailing Miao, Jing Liu, An Du,