頁籤選單縮合
題 名 | Transverse Ising Model with Diluted Surface and Modified Surface-Bulk Coupling |
---|---|
作 者 | Lahcini, T.; Benayad, N.; | 書刊名 | Chinese Journal of Physics |
卷 期 | 47:2 2009.04[民98.04] |
頁 次 | 頁238-250 |
分類號 | 337.472 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | The transverse Ising system with a diluted surface and a modified surface-bulk interaction J⊥ is studied by the use of an effective field method within the framework of a single-site cluster theory. The surface antiferromagnetic exchange interaction JS is distributed randomly and has a concentration p. The new parameter p strongly affects the phase diagram obtained in the pure case (p = 1). Indeed, some qualitatively interesting features have been found, both in the absence and in the presence of the surface transverse field. In particular, we defined a critical value p* of p, separating two qualitatively different behaviors of the system. |
本系統中英文摘要資訊取自各篇刊載內容。