کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1810167 | 1525227 | 2013 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effects of the single-ion anisotropy on the striped antiferromagnetism of a frustrated Heisenberg model on a stacked square lattice
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effects of the single-ion anisotropy on the striped antiferromagnetism of a frustrated Heisenberg model on a stacked square lattice Effects of the single-ion anisotropy on the striped antiferromagnetism of a frustrated Heisenberg model on a stacked square lattice](/preview/png/1810167.png)
چکیده انگلیسی
A frustrated Heisenberg model on a stacked square lattice in a striped antiferromagnetic spin order is studied by the Green's function approach. Besides the intra- and inter-layer exchange couplings, the single-ion anisotropy (Js) is also considered. The expressions of the spin spectrum gap (ΔΔ), the transition temperature (TN) and the zero-temperature average spin (〈Sz〉0〈Sz〉0) are derived analytically. Their dependences on the single-ion anisotropy are investigated. We find they are all increasing functions of Js. We make a further estimation of the magnitude of Js according to the experimental temperature TN=138K of the pure compound LaFeAsO.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 419, 15 June 2013, Pages 76–79
Journal: Physica B: Condensed Matter - Volume 419, 15 June 2013, Pages 76–79
نویسندگان
Rengui Zhu, Gangsan Hu,