DMRG studies on properties of undoped and doped molecule-based ferromagnetic chain

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	DMRG studies on properties of undoped and doped molecule-based ferromagnetic chain
	K. L. Yao; Y. Qin; Q. M. Liu; Z. L. Liu
	2005
发表期刊	Communications in Theoretical Physics
ISSN	0253-6102
卷号	44 期号:6 页码:1099-1102
摘要	By using density matrix renormalization group (DMRG) method a model for organic molecule-based ferromagnetic chain is proposed. It is found that the ground states of undoped and doped systems both exhibit ferrimagnetic ordering. The e-e repulsion plays an important role in the stability of the ferromagnetic state either in doped system or undoped system. For the undoped system, each unit cell contains half of the total spins, which is consistent with Lieb's theorem. It is convinced that when the system is doped with one electron, a charge density wave is excited, which decreases the amplitude of spin density wave, therefore acting against the stability of ferromagnetic state.
部门归属	huazhong univ sci & technol, dept phys, wuhan 430074, peoples r china. huazhong univ sci & technol, state key lab laser technol, wuhan 430074, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110015, peoples r china.;qin, y (reprint author), huazhong univ sci & technol, dept phys, wuhan 430074, peoples r china;tinyard@163.com
关键词	Dmrg Antiferromagnetic Exchange Sdw Spin Density Undoped Doped Matrix Renormalization-group Nitrophenyl Nitronyl Nitroxide System
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WOS记录号	WOS:000234533600030
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/35180
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	K. L. Yao,Y. Qin,Q. M. Liu,et al. DMRG studies on properties of undoped and doped molecule-based ferromagnetic chain[J]. Communications in Theoretical Physics,2005,44(6):1099-1102.
APA	K. L. Yao,Y. Qin,Q. M. Liu,&Z. L. Liu.(2005).DMRG studies on properties of undoped and doped molecule-based ferromagnetic chain.Communications in Theoretical Physics,44(6),1099-1102.
MLA	K. L. Yao,et al."DMRG studies on properties of undoped and doped molecule-based ferromagnetic chain".Communications in Theoretical Physics 44.6(2005):1099-1102.