Localization and conductance in fractional quantum Hall edges
The fractional quantum Hall (FQH) effect gives rise to abundant topological phases,
presenting an ultimate platform for studying the transport of edge states. Generic FQH edge …
presenting an ultimate platform for studying the transport of edge states. Generic FQH edge …
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 …
identifying the nature of edge state quasiparticles. FQH edge state at the filling factor ν= 2/3 …
Shot noise as a diagnostic in the ν= 2/3 fractional quantum Hall edge zoo
The ν= 2/3 filling is the simplest paradigmatic example of a fractional quantum Hall state,
which contains counter-propagating edge modes. These modes can be either in the …
which contains counter-propagating edge modes. These modes can be either in the …
Theory of competing charge density wave, Kekulé, and antiferromagnetically ordered fractional quantum Hall states in graphene aligned with boron nitride
SS Hegde, IS Villadiego - Physical Review B, 2022 - APS
We investigate spin-and valley-symmetry-broken fractional quantum Hall phases within a
formalism that naturally extends the paradigm of quantum Hall ferromagnetism from integer …
formalism that naturally extends the paradigm of quantum Hall ferromagnetism from integer …
Drag conductance induced by neutral-mode localization in fractional quantum Hall junctions
A junction of two 2/3 fractional quantum Hall (FQH) edges, with no charge tunneling
between them, may exhibit Anderson localization of neutral modes. Manifestations of such …
between them, may exhibit Anderson localization of neutral modes. Manifestations of such …
Controlling the spin current around the rectangular cavities in two-dimensional topological insulators
X Gao, C Ma, L Li, X Zhang, Z Deng, X Li… - Physical Chemistry …, 2024 - pubs.rsc.org
Controlling spin current in topological insulators (TIs) is a crucial requirement for
applications in quantum computing and spintronics. Using the non-equilibrium Keldysh …
applications in quantum computing and spintronics. Using the non-equilibrium Keldysh …
Phase diagram of an extended parafermion chain
We study the phase diagram of an extended parafermion chain, which, in addition to terms
coupling parafermions on neighbouring sites, also possesses terms involving four sites. Via …
coupling parafermions on neighbouring sites, also possesses terms involving four sites. Via …
Probing topological phase transition with non-Hermitian perturbations
We demonstrate that non-Hermitian perturbations can probe topological phase transitions
and unambiguously detect non-Abelian zero modes. We show that under carefully designed …
and unambiguously detect non-Abelian zero modes. We show that under carefully designed …
Design constraints for Unruh-DeWitt quantum computers
Abstract The Unruh-DeWitt particle detector model has found success in demonstrating
quantum information channels with non-zero channel capacity between qubits and quantum …
quantum information channels with non-zero channel capacity between qubits and quantum …
A glance to Luttinger liquid and its platforms
The concept of a Tomonaga-Luttinger liquid (TLL) has been established as a fundamental
theory for the understanding of one-dimensional quantum systems. Originally formulated as …
theory for the understanding of one-dimensional quantum systems. Originally formulated as …