Emergent self-duality in a long-range critical spin chain: From deconfined criticality to first-order transition
Over the past few decades, tremendous efforts have been devoted to understanding self-
duality at the quantum critical point, which enlarges the global symmetry and constrains the …
duality at the quantum critical point, which enlarges the global symmetry and constrains the …
Pseudo-anomalous size-dependent electron–phonon interaction in graded energy band: solving the Fano paradox
Quantum size effects on interferons (electron–phonon bound states), confined in fractal
silicon (Si) nanostructures (NSs), have been studied by using Raman spectromicroscopy. A …
silicon (Si) nanostructures (NSs), have been studied by using Raman spectromicroscopy. A …
Unintended deviation of Fermi level from band edge in fractal silicon nanostructures: consequence of dopants' zonal depletion
The location of Fermi level in a semiconductor is of utmost importance, thus understanding
its relative drift from the expected location contains a lot of technologically significant …
its relative drift from the expected location contains a lot of technologically significant …
Probing composite fermions near half-filled landau levels
M Shayegan - Fractional Quantum Hall Effects: New Developments, 2020 - World Scientific
Composite fermions (CFs), exotic particles formed by pairing an even number of flux quanta
to each electron, provide a fascinating description of phenomena exhibited by interacting …
to each electron, provide a fascinating description of phenomena exhibited by interacting …
Anisotropic effects in two-dimensional materials
Among a huge variety of known two-dimensional materials, some of them have anisotropic
crystal structures; examples include so different systems as a few-layer black phoshphorus …
crystal structures; examples include so different systems as a few-layer black phoshphorus …
Correlated interaction effects in the three-dimensional semi-Dirac semimetal
JR Wang, W Li, CJ Zhang - Physical Review B, 2023 - APS
Understanding the correlation effects in unconventional topological materials, in which the
fermion excitations take unusual dispersion, is an important topic in recent condensed …
fermion excitations take unusual dispersion, is an important topic in recent condensed …
Effective curved space-time geometric theory of generic-twist-angle graphene with application to a rotating bilayer configuration
We propose a new kind of geometric effective theory based on curved space-time single
valley Dirac theory with spin connection for twisted bilayer graphene under generic twist …
valley Dirac theory with spin connection for twisted bilayer graphene under generic twist …
Fate of higher-order topological insulator under Coulomb interaction
JR Wang, CJ Zhang - arxiv preprint arxiv:2202.03417, 2022 - arxiv.org
In this article, we study the influence of long-range Coulomb interaction on three-
dimensional second-order topological insulator (TI) by renormalization group theory. We find …
dimensional second-order topological insulator (TI) by renormalization group theory. We find …
Fermi-surface topology and renormalization of bare ellipticity in an interacting anisotropic electron gas
We investigate effects of electron-electron interactions on the shape of the Fermi surface in
an anisotropic two-dimensional electron gas using the “RPA-GW” self-energy …
an anisotropic two-dimensional electron gas using the “RPA-GW” self-energy …
Fermi surfaces of composite fermions
RN Bhatt, M Ippoliti - Journal of Low Temperature Physics, 2020 - Springer
The fractional quantum Hall (FQH) effect was discovered in two-dimensional electron
systems subject to a large perpendicular magnetic field nearly four decades ago. It helped …
systems subject to a large perpendicular magnetic field nearly four decades ago. It helped …