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Dai, JH; Wang, YP; Dai, JH , Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China.
Absence of overscreened Kondo effect in a ferromagnetic host
发表期刊PHYSICAL REVIEW B
关键词Heisenberg Chain Spin Chain Critical-behavior Low-temperature Impurities Systems
摘要We study the low-temperature behavior of a boundary magnetic impurity S' = 1/2 in an open ferromagnetic Takhatajian-Babujian spin-S chain. For antiferromagnetic Kondo coupling, it is shown via the Bethe ansatz solution that the impurity spin is always locked into the critical behavior of the bulk. At low temperatures, a local composite of spin-(S-1/2) forms near the impurity site and its contribution to specific heat is of simple power law T-1/2. The absence of the overscreened Kondo effect is due to the large correlation length of host spins which is divergent near the quantum critical point.
2000
ISSN0163-1829
卷号62期号:2页码:R759-R762
学科领域Physics
收录类别SCI
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12951
专题理论物理所科研产出_SCI论文
通讯作者Dai, JH , Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China.
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GB/T 7714
Dai, JH,Wang, YP,Dai, JH , Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China.. Absence of overscreened Kondo effect in a ferromagnetic host[J]. PHYSICAL REVIEW B,2000,62(2):R759-R762.
APA Dai, JH,Wang, YP,&Dai, JH , Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China..(2000).Absence of overscreened Kondo effect in a ferromagnetic host.PHYSICAL REVIEW B,62(2),R759-R762.
MLA Dai, JH,et al."Absence of overscreened Kondo effect in a ferromagnetic host".PHYSICAL REVIEW B 62.2(2000):R759-R762.
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