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Titolo:
Critical behavior of the Gaussian model with periodic interactions on diamond-type hierarchical lattices in external magnetic fields
Autore:
Lin, ZQ; Kong, XM; Jin, JS; Yang, ZR;
Indirizzi:
Wenzhou Normal Coll, Dept Phys, Wenzhou 325003, Zhejiang Provin, Peoples RChina Wenzhou Normal Coll Wenzhou Zhejiang Provin Peoples R China 325003 RChina Qufu Normal Univ, Dept Phys, Qufu 273165, Shandong Provin, Peoples R ChinaQufu Normal Univ Qufu Shandong Provin Peoples R China 273165 ples R China CCAST, World Lab, Beijing 100080, Peoples R China CCAST Beijing Peoples R China 100080 ab, Beijing 100080, Peoples R China Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China Beijing Normal Univ Beijing Peoples R China 100875 0875, Peoples R China Beijing Normal Univ, Inst Theoret Phys, Beijing 100875, Peoples R China Beijing Normal Univ Beijing Peoples R China 100875 0875, Peoples R China
Titolo Testata:
COMMUNICATIONS IN THEORETICAL PHYSICS
fascicolo: 3, volume: 35, anno: 2001,
pagine: 347 - 354
SICI:
0253-6102(20010315)35:3<347:CBOTGM>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHASE-TRANSITIONS; APERIODIC INTERACTIONS; FRACTALS;
Keywords:
Gaussian model; critical phenomena; periodic interactions; Gaussian distribution constants; diamond-type hierarchical lattices; renormalization group;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
13
Recensione:
Indirizzi per estratti:
Indirizzo: Lin, ZQ Wenzhou Normal Coll, Dept Phys, Wenzhou 325003, Zhejiang Provin, Peoples RChina Wenzhou Normal Coll Wenzhou Zhejiang Provin Peoples R China 325003
Citazione:
Z.Q. Lin et al., "Critical behavior of the Gaussian model with periodic interactions on diamond-type hierarchical lattices in external magnetic fields", COMM TH PHY, 35(3), 2001, pp. 347-354

Abstract

The Gaussian spin model with periodic interactions on the diamond-type hierarchical lattices is constructed by generalizing that with uniform interactions on translationally invariant lattices according to a class of substitution sequences. The Gaussian distribution constants and imposed external magnetic fields are also periodic depending on the periodic characteristic of the interaction bonds. The critical behaviors of this generalized Gaussian model in external magnetic fields are studied by the exact renormalization-group approach and spin rescaling method. The critical points and all thecritical exponents are obtained. The critical behaviors are found to be determined by the Gaussian distribution constants and the fractal dimensions of the lattices. When all the Gaussian distribution constants are the same,the dependence of the critical exponents on the dimensions of the latticesis the same as that of the Gaussian model with uniform interactions on translationally invariant lattices.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/03/20 alle ore 23:13:58