THE PLANAR RANDOM ANISOTROPY MODEL - A MEAN-FIELD RENORMALIZATION-GROUP APPROACH

被引：3
|
作者：
CONTINENTINO, MA [1 ]
COUTINHO, S [1 ]
机构：
[1] UNIV FED PERNAMBUCO,DEPT FIS,BR-50739 RECIFE,PE,BRAZIL
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1993年 / 125卷 / 1-2期
关键词：
D O I：
10.1016/0304-8853(93)90817-L
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study the random anisotropy model, introduced to describe amorphous rare earth systems, using a mean-field renormalization group approach. For planar, classical spins, in three dimensions we find that the ferromagnetic phase is stable under a weak random anisotropy perturbation. We discuss the relevance of our results for transition metal-based amorphous ferromagnets with small concentrations of rare earth elements.
引用
收藏
页码：49 / 56
页数：8
相关论文
共 50 条
  • [1] Mean-field renormalization-group approach to the boson Hubbard model
    Ferreira, AS
    Continentino, MA
    [J]. PHYSICAL REVIEW B, 2002, 66 (01): : 1 - 5
  • [2] FIELD DISTRIBUTIONS AND TRICRITICAL POINTS IN A RANDOM-FIELD ISING-MODEL - MEAN-FIELD RENORMALIZATION-GROUP APPROACH
    DEARRUDA, AS
    FIGUEIREDO, W
    SEBASTIANES, RM
    SAXENA, VK
    [J]. PHYSICAL REVIEW B, 1989, 39 (07): : 4409 - 4417
  • [3] Anisotropic triangular Ising model in the extended mean-field renormalization-group approach
    Likos, CN
    [J]. PHYSICAL REVIEW E, 1997, 55 (02): : 2001 - 2004
  • [4] MEAN-FIELD RENORMALIZATION-GROUP FOR THE POTTS-MODEL IN A TRANSVERSE FIELD
    MARQUES, MC
    SANTOS, MA
    [J]. JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1986, 19 (22): : 4213 - 4221
  • [5] RENORMALIZATION-GROUP RECURSIONS BY MEAN-FIELD APPROXIMATIONS
    INDEKEU, JO
    MARITAN, A
    STELLA, AL
    [J]. JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1982, 15 (06): : L291 - L297
  • [6] MEAN-FIELD RENORMALIZATION-GROUP APPROACHES TO THE SURFACE ON A SEMIINFINITE ISING-MODEL WITH A RANDOM SURFACE FIELD
    SUN, G
    [J]. PHYSICAL REVIEW B, 1995, 51 (06): : 3637 - 3639
  • [7] DOUBLE-CHAIN MEAN-FIELD RENORMALIZATION-GROUP APPROACH FOR THE ISING-MODEL
    SHI, ZP
    TAO, RB
    [J]. COMMUNICATIONS IN THEORETICAL PHYSICS, 1989, 12 (03) : 333 - 336
  • [8] MEAN-FIELD RENORMALIZATION-GROUP WITH REACTION FIELD FOR DILUTED ISING-MODEL
    DROZ, M
    MARITAN, A
    STELLA, AL
    [J]. NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA D-CONDENSED MATTER ATOMIC MOLECULAR AND CHEMICAL PHYSICS FLUIDS PLASMAS BIOPHYSICS, 1987, 9 (02): : 123 - 131
  • [9] MEAN-FIELD RENORMALIZATION-GROUP STUDY OF THE ANISOTROPIC ISING-MODEL
    PLASCAK, JA
    SILVA, NP
    [J]. JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1986, 19 (23): : 4493 - 4501
  • [10] MEAN-FIELD RENORMALIZATION-GROUP STUDY FOR THE BLUME-CAPEL MODEL
    ILKOVIC, V
    [J]. PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 1991, 166 (02): : K99 - K102
12345