Half-Integer Conductance Plateau at the Fractional Quantum Hall State in a Quantum Point Contact
The ν= 2/3 fractional quantum Hall state is the hole-conjugate state to the primary Laughlin
ν= 1/3 state. We investigate transmission of edge states through quantum point contacts …
ν= 1/3 state. We investigate transmission of edge states through quantum point contacts …
Partial equilibration of integer and fractional edge channels in the thermal quantum Hall effect
Since the charged mode is much faster than the neutral modes on quantum Hall edges at
large filling factors, the edge may remain out of equilibrium in thermal conductance …
large filling factors, the edge may remain out of equilibrium in thermal conductance …
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 …
Fractional edge reconstruction in integer quantum Hall phases
Protected edge modes are the cornerstone of topological states of matter. The simplest
example is provided by the integer quantum Hall state at Landau level filling unity, which …
example is provided by the integer quantum Hall state at Landau level filling unity, which …
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 …
Emergence of neutral modes in Laughlin-like fractional quantum Hall phases
Chiral gapless boundary modes are characteristic of quantum Hall (QH) states. For hole-
conjugate fractional QH phases counterpropagating edge modes (upstream and …
conjugate fractional QH phases counterpropagating edge modes (upstream and …
Edge-mode velocities and thermal coherence of quantum Hall interferometers
We present comprehensive results on the edge-mode velocities in a quantum Hall droplet
with realistic interaction and confinement at various filling fractions. We demonstrate that the …
with realistic interaction and confinement at various filling fractions. We demonstrate that the …
Parafermions, induced edge states, and domain walls in fractional quantum Hall effect spin transitions
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 …
statistics, is driven both by the quest for deeper understanding of nature and prospects for …
Microscopic study of edge excitations of spin-polarized and spin-unpolarized fractional quantum Hall effect
YH Wu, GJ Sreejith, JK Jain - Physical Review B—Condensed Matter and …, 2012 - APS
The edge of spin-unpolarized or spin-polarized ν= 2/3 fractional quantum Hall states is
predicted by the effective theory to support a backward-moving neutral mode in addition to a …
predicted by the effective theory to support a backward-moving neutral mode in addition to a …
Determination of tunneling charge via current measurements
I Safi, EV Sukhorukov - Europhysics Letters, 2010 - iopscience.iop.org
We consider a tunnel junction between two arbitrary non-linear systems in any dimension,
which can be different. We show that the tunneling charge can be detected using three …
which can be different. We show that the tunneling charge can be detected using three …