ITP OpenIR  > 理论物理所科研产出  > SCI论文
Liu, ZQ; Kong, XM; Chen, XS; Kong, XM , Qufu Normal Univ, Dept Phys, Qufu 273165, Peoples R China
Effects of Gaussian disorder on the dynamics of the random transverse Ising model
Source PublicationPHYSICAL REVIEW B
KeywordDimensional Xy-model Continued-fraction Representation Generalized Langevin Equation Spin-correlation-functions Infinite Temperature Recurrence Relations 4-spin Interactions Finite-temperature Chain Field
AbstractThe effects of Gaussian disorder on the dynamics of the one-dimensional spin-1/2 random transverse Ising model are studied in the high-temperature limit by the recursion method. Both spin autocorrelation functions and the corresponding spectral densities are calculated for three types of disordered cases. It is found that when the standard deviation sigma(J) of the exchange coupling (or the standard deviation sigma(B) of the random transverse field) is small, the dynamics of the system undergoes two crossovers in sequence as the mean value of the exchange coupling (or the random transverse field) varies: from a central-peak behavior to a collective-mode one, and then to the precession of free spins in an external transverse magnetic field. However, when sigma(J) or sigma(B) are large enough, there is no crossover, i.e., the dynamics of the system shows a central-peak behavior and a disordered behavior, respectively.
2006
ISSN1098-0121
Volume73Issue:22Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5971
Collection理论物理所科研产出_SCI论文
Corresponding AuthorKong, XM , Qufu Normal Univ, Dept Phys, Qufu 273165, Peoples R China
Recommended Citation
GB/T 7714
Liu, ZQ,Kong, XM,Chen, XS,et al. Effects of Gaussian disorder on the dynamics of the random transverse Ising model[J]. PHYSICAL REVIEW B,2006,73(22):-.
APA Liu, ZQ,Kong, XM,Chen, XS,&Kong, XM , Qufu Normal Univ, Dept Phys, Qufu 273165, Peoples R China.(2006).Effects of Gaussian disorder on the dynamics of the random transverse Ising model.PHYSICAL REVIEW B,73(22),-.
MLA Liu, ZQ,et al."Effects of Gaussian disorder on the dynamics of the random transverse Ising model".PHYSICAL REVIEW B 73.22(2006):-.
Files in This Item:
File Name/Size DocType Version Access License
Effects of Gaussian (942KB) 开放获取LicenseApplication Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Liu, ZQ]'s Articles
[Kong, XM]'s Articles
[Chen, XS]'s Articles
Baidu academic
Similar articles in Baidu academic
[Liu, ZQ]'s Articles
[Kong, XM]'s Articles
[Chen, XS]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Liu, ZQ]'s Articles
[Kong, XM]'s Articles
[Chen, XS]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.