Composite fermions in bands with N-fold rotational symmetry
, 2017 We study the effect of band anisotropy with discrete rotational symmetry $C_N$ (where $N\ge 2$) in the quantum Hall regime of two-dimensional electron systems. We focus on the composite Fermi liquid (CFL) at half filling of the lowest Landau level.
Bhatt, R. N. +2 more
core +1 more source
Persistent currents in carbon nanotubes
, 2002 Persistent currents driven by a static magnetic flux parallel to the carbon nanotube axis are investigated. Owing to the hexagonal symmetry of graphene the Fermi contour expected for a 2D-lattice reduces to two points. However the electron or hole doping
Ando +19 more
core +1 more source
A possible candidate for triply degenerate point fermions in trigonal layered PtBi2
Nature Communications, 2018 Triply degenerate point (TP) fermions have been reported in MoP but the TPs are far below the Fermi level. Here, Guo et al. predict and verify the possible existence of TP fermions in trigonal layered PtBi2, where the TP points are close to the Fermi ...
Wenshuai Gao +10 more
doaj +1 more source
Nature‐inspired 3D hierarchical carbon nanotube matrices enable extraordinary solar steam generation
Carbon EnergyInterfacial solar evaporation, which captures solar energy and localizes the absorbed heat for water evaporation, is considered a promising technology for seawater desalination and solar energy conversion.
Chuanshuai Dong +9 more
doaj +1 more source
Charge transfer complexation boosts molecular conductance through Fermi level pinning
Chemical Science, 2018 Efficient charge transport across long molecular wires enabled by charge-transfer complexation, through Fermi level pinning of interference features.
Kun Wang +7 more
semanticscholar +1 more source
2k_{F} density wave instability of composite Fermi liquid
Physical Review Research, 2020 We investigate the 2k_{F} density wave instability of non-Fermi-liquid states by combining exact diagonalization with renormalization group analysis. At the half-filled zeroth Landau level, we study the fate of the composite Fermi liquid in the presence ...
Shao-Kai Jian, Zheng Zhu
doaj +1 more source
The free states-related Fermi pocket of cuprate superconductors [PDF]
arXiv, 2010 To stress the effect of the pairing position deviating from the Fermi level, we must investigate the pairs in the wave vector space, and then we use the dynamic equation to study some correlation functions. This article shows that the Fermi pocket is related to the effect of free electron states on the ARPES experiment. This also leads us to understand
arxiv
Review: Probing of the Unoccupied Electronic States in Solids by Inverse Photoemission Spectroscopy
Hittite Journal of Science and Engineering, 2018 This paper reviews the probability of probing the unoccupied electronic states in solids by inverse photoemission spectroscopy IPES . IPES is a surface science technique to analysis the unoccupied electronic states above the Fermi level.
Orhan Zeybek
doaj
Bending Two-Dimensional Materials To Control Charge Localization and Fermi-Level Shift.
Nano letters (Print), 2016 High-performance electronics requires the fine control of semiconductor conductivity. In atomically thin two-dimensional (2D) materials, traditional doping technique for controlling carrier concentration and carrier type may cause crystal damage and ...
Liping Yu, A. Ruzsinszky, J. Perdew
semanticscholar +1 more source
Superlattice Delineated Fermi Surface Nesting and Electron-Phonon Coupling in CaC6
CrystalsThe superconductivity of CaC6 as a function of pressure and Ca isotopic composition was revisited using DFT calculations on a 2c–double hexagonal superlattice.
Bruce Wang +3 more
doaj +1 more source