Stability and spin density wave in polymeric Hubbard chains | |
Y. F. Duan; Z. L. Liu; K. L. Yao | |
2005 | |
发表期刊 | International Journal of Modern Physics B
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ISSN | 0217-9792 |
卷号 | 19期号:15-17页码:2586-2591 |
摘要 | The ground state properties and spin-density wave of polymeric Hubbard chains are studied by means of the mean-field theory. It is shown that topological structure of the chain possesses a flat-band structure of the energy band. Our analysis shows that the on- site Coulomb repulsion of electrons in the chain leads to the coexistence of ferromagnetic and antiferromagnetic order, i,e., the ferrimagnetic order. Away from half filling, the system displays magnetic phase separation. Possible experimental realizations are suggested. |
部门归属 | huazhong univ sci & technol, dept phys, wuhan 430074, peoples r china. air force radar acad, dept basic sci, wuhan 430019, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110015, peoples r china.;duan, yf (reprint author), huazhong univ sci & technol, dept phys, wuhan 430074, peoples r china;yongfaduan@yahoo.com.cn |
关键词 | Spin Waves Nonmetallic Ferromagnetic Materials Mu-sr Field Ferromagnetism Polyacetylene Magnets Model |
URL | 查看原文 |
WOS记录号 | WOS:000231237000047 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.imr.ac.cn/handle/321006/34839 |
专题 | 中国科学院金属研究所 |
推荐引用方式 GB/T 7714 | Y. F. Duan,Z. L. Liu,K. L. Yao. Stability and spin density wave in polymeric Hubbard chains[J]. International Journal of Modern Physics B,2005,19(15-17):2586-2591. |
APA | Y. F. Duan,Z. L. Liu,&K. L. Yao.(2005).Stability and spin density wave in polymeric Hubbard chains.International Journal of Modern Physics B,19(15-17),2586-2591. |
MLA | Y. F. Duan,et al."Stability and spin density wave in polymeric Hubbard chains".International Journal of Modern Physics B 19.15-17(2005):2586-2591. |
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