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Four-sublattice ferrimagnetic systems: I. Quantum fluctuations of spins at zero temperature
Qiu, RK; Zhang, ZD
Corresponding AuthorQiu, RK(zdzhang@imr.ac.cn)
2004
Source PublicationPHYSICA STATUS SOLIDI B-BASIC RESEARCH
ISSN0370-1972
Volume241Issue:1Pages:189-204
AbstractWithin the framework of the linear spin wave approximation, the quantum fluctuations of spins at zero temperature in four-sublattice ferrimagnetic systems are studied by employing retard Green's functions. The effects of exchange constants on the quantum fluctuations of spins are discussed for three different spin-configurations. The magnetic properties of these spin configurations are related to their magnetically structural symmetry. When the parameters of the exchange couplings are adjusted, the crossover of the spin configurations results in the strong quantum fluctuations, owing to the behaviors of the non-three-dimensional magnetically system. When two of the four exchange-constants in the present four-sublattice bulk systems are set to be zero, the system behaves as a non-three-dimensionally magnetic system, although the structure of the system is still three-dimensional. All the exchange couplings involve in the quantum competition of the systems, but the effects of antiferromagnetic and ferromagnetic exchange couplings are different evidently. The antiferromagnetic exchange couplings play an important role in a balance of the quantum competition.
DOI10.1002/pssb.200301912
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000188585200024
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81468
Corresponding AuthorQiu, RK
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Met Res Inst, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
3.Shenyang Univ Technol, Coll Sci, Shenyang 110023, Peoples R China
Recommended Citation
GB/T 7714
Qiu, RK,Zhang, ZD. Four-sublattice ferrimagnetic systems: I. Quantum fluctuations of spins at zero temperature[J]. PHYSICA STATUS SOLIDI B-BASIC RESEARCH,2004,241(1):189-204.
APA Qiu, RK,&Zhang, ZD.(2004).Four-sublattice ferrimagnetic systems: I. Quantum fluctuations of spins at zero temperature.PHYSICA STATUS SOLIDI B-BASIC RESEARCH,241(1),189-204.
MLA Qiu, RK,et al."Four-sublattice ferrimagnetic systems: I. Quantum fluctuations of spins at zero temperature".PHYSICA STATUS SOLIDI B-BASIC RESEARCH 241.1(2004):189-204.
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