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Kaleidoscope of Exotic Quantum Phases in a Frustrated XY Model

beimu1009 添加于 2011-8-23 19:24 | 1000 次阅读 | 0 个评论

作者
Varney C, Sun K, Galitski V, Rigol M
摘要
The existence of quantum spin liquids was first conjectured by Pomeranchuk some 70 years ago, who argued that frustration in simple antiferromagnetic theories could result in a Fermi-liquid-like state for spinon excitations. Here we show that a simple quantum spin model on a honeycomb lattice hosts the long sought for Bose metal with a clearly identifiable Bose surface. The complete phase diagram of the model is determined via exact diagonalization and is shown to include four distinct phases separated by three quantum phase transitions.
详细资料
- 文献种类:期刊
- 期刊名称: Physical Review Letters
- 期刊缩写: Phys. Rev. Lett.
- 期卷页: 2011年第107卷第7期
- ISBN: 0031-9007
相关链接 DOI URL

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