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Related papers: Theory of non-Abelian Fabry-Perot interferometry i…

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Topological phases characterized by non-Abelian charges have garnered increasing attention recently. Although Floquet (periodic-driving) higher-order topological phases have been explored at the single-particle level, the role of…

Mesoscale and Nanoscale Physics · Physics 2025-08-22 Yujie Zhou , Changsen Li , Xiumei Wang , Xingping Zhou

Chiral-antichiral pairs of non-Abelian Hall states, like the Pfaffian, Read-Rezayi and NASS states, can be used to model two-dimensional time-reversal invariant topological insulators. Their stability was shown to be associated to the…

Strongly Correlated Electrons · Physics 2015-06-22 Andrea Cappelli , Enrico Randellini

We propose the concept of 2D non-Abelian topological insulator which can explain the energy distributions of the edge states and corner states in systems with parity-time symmetry. From the viewpoint of non-Abelian band topology, we…

Mesoscale and Nanoscale Physics · Physics 2022-09-21 Tianshu Jiang , Ruo-Yang Zhang , Qinghua Guo , Biao Yang , C. T. Chan

Non-abelian anyons are prospective candidates for fault-tolerant topological quantum computation due to their long-range entanglement. Curiously these quasiparticles are charge-neutral, hence elusive to most conventional measurement…

Mesoscale and Nanoscale Physics · Physics 2022-10-05 Bivas Dutta , Vladimir Umansky , Mitali Banerjee , Moty Heiblum

Topological phases characterized by non-Abelian charges are beyond the scope of the paradigmatic tenfold way and have gained increasing attention recently. Here we investigate topological insulators with multiple tangled gaps in Floquet…

Mesoscale and Nanoscale Physics · Physics 2023-10-16 Tianyu Li , Haiping Hu

The recent measurement of a half-integer thermal conductance for the $\nu=5/2$ fractional quantum Hall state has confirmed its non-Abelian nature, making the question of the underlying topological order highly intriguing. We analyze the…

Mesoscale and Nanoscale Physics · Physics 2020-10-14 Jinhong Park , Christian Spånslätt , Yuval Gefen , Alexander D. Mirlin

Very recently, increasing attention has been focused on non-Abelian topological charges, e.g. the quaternion group Q8. Different from Abelian topological band insulators, these systems involve multiple tangled bulk bandgaps and support…

Mesoscale and Nanoscale Physics · Physics 2022-01-05 Tianshu Jiang , Qinghua Guo , Ruo-Yang Zhang , Zhao-Qing Zhang , Biao Yang , C. T. Chan

We investigate the proposed experimental setup for measuring the topological charge in a an Ising anyon system by means of Fabry-P\'erot interferometry with a chiral edge state. We show that such an interferometer has the unintended but not…

Strongly Correlated Electrons · Physics 2011-06-07 David J Clarke , Kirill Shtengel

Recent schemes for experimentally probing non-abelian statistics in the quantum Hall effect are based on geometries where current-carrying quasiparticles flow along edges that encircle bulk quasiparticles, which are localized. Here we…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 B. Rosenow , B. I. Halperin , S. H. Simon , Ady Stern

In this letter we propose an interferometric experiment to detect non-Abelian quasiparticle statistics -- one of the hallmark characteristics of the Moore-Read state expected to describe the observed FQHE plateau at nu=5/2. The implications…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Parsa Bonderson , Alexei Kitaev , Kirill Shtengel

We consider the tunneling current through a double point-contact Fabry-Perot interferometer such as used in recent experimental studies of the fractional quantum Hall plateau at filling fraction nu=5/2. We compare the predictions of several…

Mesoscale and Nanoscale Physics · Physics 2009-10-05 Waheb Bishara , Parsa Bonderson , Chetan Nayak , Kirill Shtengel , J. K. Slingerland

We examine the relation between different electronic transport phenomena in a Fabry-Perot interferometer in the fractional quantum Hall regime. In particular, we study the way these phenomena reflect the statistics of quantum Hall…

Mesoscale and Nanoscale Physics · Physics 2010-08-24 Ady Stern , Bernd Rosenow , Roni Ilan , Bertrand I. Halperin

We study fermions on a triangular lattice model that exhibits topological flatbands characterized by nonzero Chern numbers. Our scheme stems from the well-known Hofstadter model but the next-nearest-neighbor hopping is introduced, which is…

Strongly Correlated Electrons · Physics 2015-03-25 Dong Wang , Zhao Liu , Wu-Ming Liu , Jun-Peng Cao , Heng Fan

Observation of non-Abelian statistics for the e/4 quasiparticles in the \nu=5/2 fractional quantum Hall state remains an outstanding experimental problem. The non-Abelian statistics are linked to the presence of additional low energy states…

Mesoscale and Nanoscale Physics · Physics 2013-04-02 Gilad Ben-Shach , Chris R. Laumann , Izhar Neder , Amir Yacoby , Bertrand I. Halperin

Quantum Hall states - the progenitors of the growing family of topological insulators -- are rich source of exotic quantum phases. The nature of these states is reflected in the gapless edge modes, which in turn can be classified as integer…

Mesoscale and Nanoscale Physics · Physics 2022-01-19 Bivas Dutta , Wenmin Yang , Ron Aharon Melcer , Hemanta Kumar Kundu , Moty Heiblum , Vladimir Umansky , Yuval Oreg , Ady Stern , David Mross

In view of the fundamental importance and many promising potential applications, non-Abelian statistics of topologically protected states have attracted much attention recently. However, due to the operational difficulties in solid-state…

Quantum Physics · Physics 2020-02-14 Jun-Yi Cao , Jia Liu , L. B. Shao , Zheng-Yuan Xue

To detect non-abelian statistics in the $\nu = 12/5$ quantum Hall state through interferometry, we apply an analysis similar to the ones proposed for the non-abelian $\nu = 5/2$ quantum Hall state. The result is that the amplitude of the…

Mesoscale and Nanoscale Physics · Physics 2012-01-20 Suk Bum Chung , Michael Stone

3D non-abelian anyons have been theoretically proposed to exist in heterostructures composed of type II superconductors and topological insulators. We use realistic material parameters for a device derived from Bi$_2$Se$_3$ to…

Superconductivity · Physics 2011-10-19 Seiji J. Yamamoto , Michael Freedman , Kun Yang

Non-Abelian topological insulators are characterized by matrix-valued, non-commuting topological charges with regard to more than one energy gap. Their descriptions go beyond the conventional topological band theory, in which an additive…

Mesoscale and Nanoscale Physics · Physics 2025-11-11 Jiaxin Pan , Longwen Zhou

Some models of the 5/2 fractional quantum Hall state predict that the quasi-particles, which carry the charge, have non-Abelian statistics: exchange of two quasi-particles changes the wave function more dramatically than just the usual…

Mesoscale and Nanoscale Physics · Physics 2012-06-26 X. Lin , C. Dillard , M. A. Kastner , L. N. Pfeiffer , K. W. West
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