Properties of the ground state in a spin-2 transverse Ising model with the presence of a crystal field
Jiang Wei (姜伟)ab, Wei Guo-Zhu (魏国柱)b, Du An (杜安)b, Zhang Qi (张起)b
a College of Sciences, Shenyang University of Technology, Shenyang 110023, China; b College of Sciences, Northeastern University, Shenyang 110006, China
Abstract The properties of the ground state in the spin-2 transverse Ising model with the presence of a crystal field are studied by using the effective-field theory with correlations. The longitudinal and transverse magnetizations, the phase diagram and the internal energy in the ground state are given numerically for a honeycomb lattice (z=3).
Received: 08 March 2002
Revised: 03 April 2002
Accepted manuscript online:
Fund: Project supported by the Foundation for the Key Program of Science and Technology Research from Chinese Ministry of Eduction (Grant No 99026)
Cite this article:
Jiang Wei (姜伟), Wei Guo-Zhu (魏国柱), Du An (杜安), Zhang Qi (张起) Properties of the ground state in a spin-2 transverse Ising model with the presence of a crystal field 2002 Chinese Physics 11 823
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