23 citations · 110 across the 16 of their papers we have counts for
16 papers
Developments in the applications of density functional theory to fractional quantum Hall systems
Yi Yang, Yayun Hu, Zi-Xiang Hu
The fractional quantum Hall effect remains a captivating area in condensed matter physics, characterized by strongly correlated topological order, which manifests as fractionalized…
Fermi energy sensitive universal conductance fluctuations in anisotropic materials
Qiang Yang, Yayun Hu, Zhe Hou +1
Universal conductance fluctuations (UCF) are a hallmark of quantum interference in mesoscopic devices. According to the Altshuler-Lee-Stone theory, the amplitude of UCF remains ind…
Simulating Composite Fermion Excitons by Density Functional Theory and Monte Carlo on a Disk
Yi Yang, Songyang Pu, Yayun Hu +1
The Kohn-Sham density functional method for the fractional quantum Hall (FQH) effect has recently been developed by mapping the strongly interacting electrons into an auxiliary sys…
Exact anomalous mobility edges in one-dimensional non-Hermitian quasicrystals
Xiang-Ping Jiang, Weilei Zeng, Yayun Hu +1
Recent research has made significant progress in understanding localization transitions and mobility edges (MEs) that separate extended and localized states in non-Hermitian (NH) q…
Localization and mobility edges in non-Hermitian continuous quasiperiodic systems
Xiang-Ping Jiang, Zhende Liu, Yayun Hu +1
The mobility edge (ME) is a fundamental concept in the Anderson localized systems, which marks the energy separating extended and localized states. Although the ME and localization…
Dissipation induced ergodic-nonergodic transitions in finite-height mosaic Wannier-Stark lattices
Xiang-Ping Jiang, Xuanpu Yang, Yayun Hu +1
Recent research has observed the occurrence of pseudo-mobility edge (ME) within a modulated mosaic model incorporating the Wannier-Stark potential. This pseudo-ME, which signifies…
Exact non-Hermitian mobility edges and robust flat bands in two-dimensional Lieb lattices with imaginary quasiperiodic potentials
Xiang-Ping Jiang, Weilei Zeng, Yayun Hu +1
The mobility edge (ME) is a critical energy delineates the boundary between extended and localized states within the energy spectrum, and it plays a crucial role in understanding t…
Relaxation dynamics in the alternating XY chain following a quantum quench
Kaiyuan Cao, Yayun Hu, Peiqing Tong +2
We investigate the relaxation dynamics of the fermion two-point correlation function in the XY chain with staggered nearest-neighbo…
Dynamical relaxation behavior of extended XY chain with gapless phase following a quantum quench
Kaiyuan Cao, Yayun Hu, Peiqing Tong +1
We investigate the dynamical relaxation behavior of the two-point correlation in extended XY models with a gapless phase after quenches from various initial states. Specifically, w…
Stark many-body localization with long-range interactions
Xiang-Ping Jiang, Rui Qi, Sheng Yang +2
In one-dimensional (1D) disorder-free interacting systems, a sufficiently strong linear potential can induce localization of the many-body eigenstates, a phenomenon dubbed as Stark…
Moir{é} pattern assisted geometric resonant tunneling in disordered twisted bilayer graphene
Zhe Hou, Ya-Yun Hu, Guang-Wen Yang
We investigate the mesoscopic transport through a twisted bilayer graphene (TBG) consisting of a clean graphene nanoribbon on the bottom and a disordered graphene disc on the top.…
Dynamics of the Geometric Phase in Inhomogeneous Quantum Spin Chains
Kaiyuan Cao, Shuxiang Yang, Yayun Hu +1
The dynamics of the geometric phase are studied in inhomogeneous quantum spin chains after a quench. Analytic expressions of the Pancharatnam geometric phase (PGP) …
Crystalline Solutions of Kohn-Sham Equations in the Fractional Quantum Hall Regime
Yayun Hu, Yang Ge, Jian-Xiao Zhang +1
A Kohn-Sham density functional approach has recently been developed for the fractional quantum Hall effect, which maps the strongly interacting electrons into a system of weakly in…
Kohn-Sham Density Functional Theory of Abelian Anyons
Yayun Hu, G. Murthy, S. Rao +1
We develop a density functional treatment of non-interacting abelian anyons, which is capable, in principle, of dealing with a system of a large number of anyons in an external pot…
Kohn-Sham Theory of the Fractional Quantum Hall Effect
Yayun Hu, J. K. Jain
We formulate the Kohn-Sham equations for the fractional quantum Hall effect by mapping the original electron problem into an auxiliary problem of composite fermions that experience…
Numerical Study of Universal Conductance Fluctuation in Three-dimensional Topological Semimetals
Yayun Hu, Haiwen Liu, Hua Jiang +1
We study the conductance fluctuation in topological semimetals. Through statistic distribution of energy levels of topological semimetals, we determine the dominant parameters of u…