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Related papers: Spin texture readout of a Moore-Read topological q…

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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

In this paper a duality between the d=2 Wen-plaquette model in a transverse field and the d=1 Ising model in a transverse field is used to learn the nature of the quantum phase transition (QPT) between a spin-polarized phase and a…

Quantum Physics · Physics 2007-09-17 Jing Yu , Su-Peng Kou , Xiao-Gang Wen

A conventional superconductor with spin-orbit coupling turns into a topological superconductor beyond a critical strength of the Zeeman energy. The spin-expectation values $\mathbf{S}(\mathbf{k})$ in momentum space trace this transition via…

Superconductivity · Physics 2017-07-26 Florian Loder , Arno P. Kampf , Thilo Kopp , Daniel Braak

Non-Abelian and non-adiabatic variants of Berry's geometric phase have been pivotal in the recent advances in fault tolerant quantum computation gates, while Berry's phase itself is at the heart of the study of topological phases of matter.…

Quantum Gases · Physics 2019-10-30 H. M. Bharath , Matthew Boguslawski , Maryrose Barrios , Lin Xin , M. S. Chapman

Strong interactions and topology drive a wide variety of correlated ground states. Some of the most interesting of these ground states, such as fractional quantum Hall states and fractional Chern insulators, have fractionally charged…

Strongly Correlated Electrons · Physics 2023-02-07 V. Shingla , Haoyun Huang , A. Kumar , L. N. Pfeiffer , K. W. West , K. W. Baldwin , G. A. Csáthy

The standard model of spin-transfer torque (STT) in antiferromagnetic spintronics considers exchange of angular momentum between quantum spins of flowing electrons and noncollinear-to-them localized spins treated as classical vectors. These…

Strongly Correlated Electrons · Physics 2021-05-13 Marko D. Petrovic , Priyanka Mondal , Adrian E. Feiguin , Branislav K. Nikolic

Topologically ordered systems in the presence of symmetries can exhibit new structures which are referred to as symmetry enriched topological (SET) phases. We introduce simple methods to detect the SET order directly from a complete set of…

Strongly Correlated Electrons · Physics 2014-08-06 Ching-Yu Huang , Xie Chen , Frank Pollmann

Controlling electron spins strongly coupled to magnetic and nuclear spins in solid state systems is an important challenege in the field of spintronics and quantum computation. We show here that electron droplets with no net spin in…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Ramin M. Abolfath , Marek Korkusinski , Thomas Brabec , Pawel Hawrylak

Topological states were initially discovered in solid state systems and have generated widespread interest in many areas of physics. The advances in cold atoms create novel settings for studying topological states that would be quite…

Strongly Correlated Electrons · Physics 2019-03-11 Ying-Hai Wu

The quantum Hall effect is investigated in a high-mobility two-dimensional electron gas on the surface of a cylinder. The novel topology leads to a spatially varying filling factor along the current path. The resulting inhomogeneous…

Mesoscale and Nanoscale Physics · Physics 2010-11-01 K. -J. Friedland , A. Siddiki , R. Hey , H. Kostial , A. Riedel , D. K. Maude

Multicomponent quantum Hall systems with internal degrees of freedom provide a fertile ground for the emergence of exotic quantum liquids. Here we investigate the possibility of non-Abelian topological order in the half-filled fractional…

Strongly Correlated Electrons · Physics 2017-01-04 W. Zhu , Zhao Liu , F. D. M. Haldane , D. N. Sheng

A chiral supersolid is a quantum phase that simultaneously exhibits crystalline order, superfluidity, and topological spin texture, with spontaneously broken translational, U(1) gauge, and chiral symmetries. Here, we demonstrate a chiral…

Quantum Gases · Physics 2025-08-21 Biao Dong , Xiao-Fei Zhang , Wei Han , Renyuan Liao , Xue-Ying Yang , Wu-Ming Liu , Yong-Chang Zhang

Novel classical wave phenomenon analogs of the quantum spin Hall effect are mostly based on the construction of pseudo-spins. Here we show that the non-trivial topology of a system can also be realized using orbital angular momentum through…

Mesoscale and Nanoscale Physics · Physics 2018-08-17 Tianshu Jiang , Meng Xiao , Wenjie Chen , Lechen Yang , Yawen Fang , Wing Yim Tam , C. T. Chan

We put forth a theoretical framework for engineering a two-dimensional (2D) second-order topological superconductor (SOTSC) by utilizing a heterostructure: incorporating noncollinear magnetic textures between an $s$-wave superconductor and…

Mesoscale and Nanoscale Physics · Physics 2024-01-30 Pritam Chatterjee , Arnob Kumar Ghosh , Ashis K. Nandy , Arijit Saha

By means of finite size exact diagonalization we theoretically study the electronic many-body effects on the nearly flat-band structure with time-reversal symmetry in a checkerboard lattice model and identify the topological nature of two…

Strongly Correlated Electrons · Physics 2014-08-12 Wei Li , D. N. Sheng , C. S. Ting , Yan Chen

The topological states of matters arising from the nontrivial magnetic configuration provide a better understanding of physical properties and functionalities of solid materials. Such studies benefit from the active control of spin…

Mesoscale and Nanoscale Physics · Physics 2019-04-29 Jian Liu , Sheng Meng , Jia-Tao Sun

Superstripe phases in Bose-Einstein condensates (BECs), possessing both crystalline structure and superfluidity, opens a new avenue for exploring exotic quantum matters---supersolids. However, conclusive detection and further exploration of…

Quantum Gases · Physics 2019-12-11 Xi-Wang Luo , Chuanwei Zhang

Electrons moving through a noncoplanar magnetic texture acquire a Berry phase, which can be described as an effective magnetic field. This effect is known as the topological Hall effect and has been observed in topological spin textures.…

Mesoscale and Nanoscale Physics · Physics 2022-10-21 Tan Dao , Sergey S. Pershoguba , Jiadong Zang

The first part of this paper extends the Doplicher-Haag-Roberts theory of superselection sectors to quantum field theory on arbitrary globally hyperbolic spacetimes. The statistics of a superselection sector may be defined as in flat…

Mathematical Physics · Physics 2014-11-18 D. Guido , R. Longo , J. E. Roberts , R. Verch

We propose and analyse an efficient scheme for simulating higher-order topological phases of matter in two dimensional (2D) spin-phononic crystal networks. We show that, through a specially designed periodic driving, one can selectively…

Quantum Physics · Physics 2021-01-20 Xiao-Xiao Li , Peng-Bo Li
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