Unusual Quasiparticles and Tunneling Conductance in Quantum Point Contacts in Fractional Quantum Hall Systems

V Ponomarenko, Y Lyanda-Geller - Physical Review Letters, 2024 - APS
Understanding topological matter in the fractional quantum Hall (FQH) effect requires
identifying the nature of edge state quasiparticles. FQH edge state at the filling factor ν= 2/3 …

Momentum-resolved spin splitting in Mn-doped trivial CdTe and topological HgTe semiconductors

C Autieri, C Śliwa, R Islam, G Cuono, T Dietl - Physical Review B, 2021 - APS
Exchange coupling between localized spins and band or topological states accounts for
giant magnetotransport and magneto-optical effects as well as determines spin-spin …

Spin, orbital and topological order in models of strongly correlated electrons

W Brzezicki - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
Different types of order are discussed in the context of strongly correlated transition metal
oxides, involving pure compounds and and hybrids. Apart from standard, long-range spin …

Formation of helical domain walls in the fractional quantum Hall regime as a step toward realization of high-order non-Abelian excitations

T Wu, Z Wan, A Kazakov, Y Wang, G Simion, J Liang… - Physical Review B, 2018 - APS
We propose an experimentally feasible platform to realize parafermions (high-order non-
Abelian excitations) based on spin transitions in the fractional quantum Hall effect regime …

Transport in helical Luttinger liquids in the fractional quantum Hall regime

Y Wang, V Ponomarenko, Z Wan, KW West… - Nature …, 2021 - nature.com
Abstract Domain walls in fractional quantum Hall ferromagnets are gapless helical one-
dimensional channels formed at the boundaries of topologically distinct quantum Hall (QH) …

Parafermions, induced edge states, and domain walls in fractional quantum Hall effect spin transitions

J Liang, G Simion, Y Lyanda-Geller - Physical Review B, 2019 - APS
Search for parafermions and Fibonacci anyons, which are excitations obeying non-Abelian
statistics, is driven both by the quest for deeper understanding of nature and prospects for …

From narrow-gap and semimagnetic semiconductors to spintronics and topological matter: A life with spins

T Dietl - arXiv preprint arXiv:2103.07456, 2021 - arxiv.org
The abundance of semiconductors in our smartphones, computers, fiber optic junctions,
cars, light sources, photovoltaic and thermoelectric cells results from the possibilities of …

Formation and Control of Helical States in 2D Gases and Topological Insulators

Y Wang - 2021 - search.proquest.com
It has been realized that a p-wave order parameter can emerge in a synthetic
superconductor constructed from a semiconductor and an s-wave superconductor, provided …

2D electron gas in chalcogenide multilayers

A Kazakov, T Wojtowicz - Chalcogenide, 2020 - Elsevier
Semiconductor interfaces, such as these existing in multilayer structures (eg, quantum wells
(QWs)), are interesting because of their ability to form 2D electron gases (2DEGs), in which …

Collimating electrons with quantum interference in graphene

K Wang - Spintronics XIV, 2021 - spiedigitallibrary.org
The relativistic charge carriers in monolayer graphene can be manipulated in manners akin
to conventional optics (electron-optics): angle-dependent Klein tunneling collimates an …