62 citations · 442 across the 30 of their papers we have counts for
21 papers · 1 filter
Time-resolved single-particle spectrum of the one-dimensional extended Hubbard model after interaction quenches
Yong-Guang Su, Ruifeng Lu, Hantao Lu +1
We investigate the non-equilibrium dynamics of the one-dimensional extended Hubbard model after interaction quenches. In strong-coupling regime with large on-site interaction, the…
Quench dynamics in the one-dimensional mass-imbalanced ionic Hubbard model
Zhuotao Xie, Ming Zhao, Hantao Lu +4
Using the time-dependent Lanczos method, we study the non-equilibrium dynamics of the one-dimensional ionic-mass imbalanced Hubbard chain driven by a quantum quench of the on-site…
Phase transitions in the Haldane-Hubbard model with ionic potentials
Hao Yuan, Yangbin Guo, Ruifeng Lu +2
By employing the exact-diagonalization method, we revisit the ground-state phase diagram of the Haldane-Hubbard model on the honeycomb lattice with staggered sublattice potentials.…
Characterizing the Bulk-Boundary Correspondence of one-dimensional non-Hermitian interacting systems by edge entanglement entropy
Weitao Chen, Liangtao Peng, Hantao Lu +1
Dramatically different from the Hermitian systems, the conventional Bulk-Boundary Correspondence (BBC) is broken in the non-Hermitian systems. In this article, we use edge entangle…
High-harmonic generation approaching the quantum critical point of strongly correlated systems
Can Shao, Hantao Lu, Xiao Zhang +3
By employing the exact diagonalization method, we investigate the high-harmonic generation (HHG) of the correlated systems under the strong laser irradiation. For the extended Hubb…
Analysis of time-resolved single-particle spectrum on the one-dimensional extended Hubbard model
Can Shao, Takami Tohyama, Hong-Gang Luo +1
We investigate the short-time evolution of the half filled one-dimensional extended Hubbard model in the strong-coupling regime, driven by a transient laser pump. Combining twisted…
Photoinduced enhancement of bond-order in the one-dimensional extended Hubbard model
Can Shao, Hantao Lu, Hong-Gang Luo +1
We investigate the real-time dynamics of the half-filled one-dimensional extended Hubbard model in the strong-coupling regime, when driven by a transient laser pulse. Starting from…
Photoinduced charge carrier dynamics in Hubbard two-leg ladders and chains
Can Shao, Takami Tohyama, Hong-Gang Luo +1
The charge carrier dynamics of doped electronic correlated systems on ladders and chains, subject to ultrafast photoirradiation, is investigated using the time-dependent Lanczos me…
Breakdown of Landau Fermi liquid theory: restrictions on the degrees of freedom of quantum electrons
Yuehua Su, Hantao Lu
One challenge in contemporary condensed matter physics is to understand unconventional electronic physics beyond the paradigm of Landau Fermi-liquid theory. Here, we present a pers…
Competing states for the fractional quantum Hall effect in the 1/3-filled second Landau level
Jae-Seung Jeong, Hantao Lu, Ki Hoon Lee +3
In this work, we investigate the nature of the fractional quantum Hall state in the 1/3-filled second Landau level (SLL) at filling factor (and 8/3 in the presence of the p…
Numerical method to compute optical conductivity based on pump-probe simulations
Can Shao, Takami Tohyama, Hong-Gang Luo +1
A numerical method to calculate optical conductivity based on a pump-probe setup is presented. Its validity and limits are tested and demonstrated via the concrete numerical simula…
Photoinduced in-gap excitations in the one-dimensional extended Hubbard model
Hantao Lu, Can Shao, Janez Bonča +2
We investigate the time evolution of optical conductivity in the half-filled one-dimensional extended Hubbard model driven by a transient laser pulse, by using the time-dependent L…
One-dimensional Hubbard model with pair-hopping term: Pair-density wave, pair-superconductor and orthogonal metal
Yin Zhong, Lan Zhang, Han-Tao Lu +1
As the simplest non-Fermi liquids, orthogonal metals have gapped single-particle excitations but show normal metallic behaviors in thermodynamic and transport quantities. Such an e…
Fermionology in the Kondo-Heisenberg model: the case of CeCoIn
Yin Zhong, Lan Zhang, Han-Tao Lu +1
Fermi surface of heavy electron systems plays a fundamental role in understanding their variety of puzzling phenomena, for example, quantum criticality, strange metal behavior, unc…
Absence of coherent peaks in a fractionalized BCS superconducting state
Yin Zhong, Han-Tao Lu, Hong-Gang Luo
We explore a fractionalized Bardeen-Cooper-Schrieffer (BCS) superconducting state, which is a minimal extension of usual BCS framework. It is found that this state has simi…
Topological quantum phase transition in Kane-Mele-Kondo lattice model
Yin Zhong, Yu-Feng Wang, Han-Tao Lu +1
We systematically explore the ground-state phase diagram of the Kane-Mele-Kondo lattice model on the honeycomb lattice, in particular, we focus on its magnetic properties which has…
Kondo spin liquid in Kondo necklace model: Classical disordered phase versus symmetry-protected topological state
Yin Zhong, Yu-Feng Wang, Han-Tao Lu +1
We study possible topological features of Kondo spin liquid phase in terms of the one- and two-dimensional Kondo necklace models within the frame work of quantum O(N) non-liner sig…
Double-Pulse Deexcitations in a One-Dimensional Strongly Correlated System
Hantao Lu, Janez Bonca, Takami Tohyama
We investigate the ultrafast optical response of the one-dimensional half-filled extended Hubbard model exposed to two successive laser pulses. By using the time-dependent Lanczos…
Photoinduced spin-order destructions in one-dimensional extended Hubbard model
Hantao Lu, Shigetoshi Sota, Hiroaki Matsueda +2
By employing the time-dependent Lanczos method, the nonequilibrium process of the half-filled one-dimensional extended Hubbard model under the irradiation of a transient laser puls…
Enhanced charge order in a photoexcited one-dimensional strongly correlated system
Hantao Lu, Shigetoshi Sota, Hiroaki Matsueda +2
We present a compelling response of a low-dimensional strongly correlated system to an external perturbation. Using the time-dependent Lanczos method we investigate a nonequilibriu…
Superconducting Order Parameter for the Even-denominator Fractional Quantum Hall Effect
Hantao Lu, Sankar Das Sarma, Kwon Park
One of the most intriguing phenomena in nature is the fractional quantum Hall effect (FQHE) observed in the half-filled second Landau level which, arising in even-denominator filli…