Quantum Hall hierarchy from coupled wires

Quantum Hall hierarchy from coupled wires
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耦合线的量子霍尔层次结构

DOI:
10.1103/physrevb.99.035130
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发表时间:
2019
期刊:
影响因子:
3.7
通讯作者:
Furusaki Akira
Furusaki Akira
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Fuji Yohei;Furusaki Akira

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耦合线结构提供了一个有用的方法来获得各种二维拓扑相位的微观哈密顿量,其中分数量子霍尔态是典型的例子。使用最近引入的通量附着和涡旋对偶变换耦合线,我们表明,这种结构是非常通用的封装现象的分层量子霍尔态:复合费米子填充朗道水平和准粒子凝聚的Haldane-Halperin层次结构的Jain型层次状态。作为层次结构的特例,给出了耦合线模型的粒子-空穴共轭变换。我们还提出了耦合线模型的复合费米液体,这原来是兼容的一种粒子-空穴对称性实施在一个非本地的方式。此外,我们的方法明确地显示了摩尔-里德-普费米子态和复合费米子的手征波配对之间的联系。这个复合费米子图像也被推广到一个家庭的Pfronan状态,包括反Pfronan状态和Bonderson-Slingerland等级状态。
The coupled-wire construction provides a useful way to obtain microscopic Hamiltonians for various two-dimensional topological phases, among which fractional quantum Hall states are paradigmatic examples. Using the recently introduced flux attachment and vortex duality transformations for coupled wires, we show that this construction is remarkably versatile to encapsulate phenomenologies of hierarchical quantum Hall states: the Jain-type hierarchy states of composite fermions filling Landau levels and the Haldane-Halperin hierarchy states of quasiparticle condensation. The particle-hole conjugate transformation for coupled-wire models is also given as a special case of the hierarchy construction. We also propose coupled-wire models for the composite Fermi liquid, which turn out to be compatible with a sort of the particle-hole symmetry implemented in a nonlocal way at. Furthermore, our approach shows explicitly the connection between the Moore-Read Pfaffian state and a chiral-wave pairing of the composite fermions. This composite-fermion picture is also generalized to a family of the Pfaffian state, including the anti-Pfaffian state and Bonderson-Slingerland hierarchy states.
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