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arXiv 1105.4348cond-mat.str-el
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自旋S反铁磁体的分数自旋液体体系

Fractional spin liquid hierarchy for spin S antiferromagnets

Burkhard Scharfenberger, Ronny Thomale, Martin Greiter

摘要:

我们提出了一个层次的自旋液体与自旋S,这是通过Schwinger玻色子投影从2S(阿贝尔)手性自旋液体与S=1/2。我们证明了我们构造的整数自旋S的P和T不变液体支持SU(2)水平k=S的非阿贝尔统计。我们推测,这些自旋液体作为反铁磁体的范例,通过移动载流子无序。

英文摘要:

We propose a hierarchy of spin liquids with spin S, which are generated via a Schwinger boson projection from 2S (Abelian) chiral spin liquids with S=1/2. We argue that the P and T invariant liquids we construct for integer spin S support SU(2) level k=S non-Abelian statistics. We conjecture that these spin liquids serve as paradigms for antiferromagnets which are disordered through mobile charge carriers.

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