134 citations · 679 across the 35 of their papers we have counts for
35 papers
Statistical Analysis of Magnetic Domain Wall Dynamics to Quantify Dzyaloshinskii-Moriya Interaction
Xinwei Shi, Chen Sun, Fuxiang Li
We utilize statistical tools to analyze the magnetic domain wall dynamics in a nanostrip, which can quantify the magnitude and reveal the effects of interfacial Dzyaloshinskii-Mari…
Dynamical characterization of topological phases beyond the minimal models
Xi Wu, Panpan Fang, Fuxiang Li
Dynamical characterization of topological phases under quantum quench dynamics has been demonstrated as a powerful and efficient tool. Previous studies have been focused on systems…
Many-body slow quench dynamics and nonadiabatic characterization of topological phases
Rui Wu, Panpan Fang, Chen Sun +1
Previous studies have shown that the bulk topology of single-particle systems can be captured by the band inversion surface or by the spin inversion surface emerged on the time-ave…
Full investigation of nonadiabatic dynamical characterization in arbitrary quenching process
Panpan Fang, Xinwei Shi, Yi-Xiang Wang +1
Recently, dynamical characterization of bulk topology has been experimentally realized under nonadiabatic sudden quench dynamics. However, it has been shown that only the topology…
High Chern number phase in topological insulator multilayer structures: a Dirac cone model study
Yi-Xiang Wang, Fuxiang Li
We use the Dirac cone model to explore the high Chern number (C) phases that are realized in the magnetic-doped topological insulator (TI) multilayer structures by Zhao et al. [Nat…
Unconventional optical selection rules in ZrTe5 under an in-plane magnetic field
Yi-Xiang Wang, Fuxiang Li
The optical selection rules of an electron system under a magnetic field play key roles in determining its optical properties, from which the band structures and underlying symmetr…
Generic theory of characterizing topological phases under quantum slow dynamics
Panpan Fang, Yi-Xiang Wang, Fuxiang Li
Dynamical characterization of equilibrium topological phases has attracted considerable attention in recent years. In this paper, we make a thorough exploration of the non-adiabati…
Field-driven side-by-side magnetic domain wall dynamics in ferromagnetic nanostrips
Zhoujian Sun, Panpan Fang, Xinwei Shi +2
There has been a plethora of studies on domain wall dynamics in magnetic nanostrips, mainly because of its versatile non-linear physics and potential applications in data storage d…
Gapped Dirac semimetal with mixed linear and parabolic dispersions
Yi-Xiang Wang, Fuxiang Li
In this paper, we make a comprehensive study of the properties of a gapped Dirac semimetal model, which was originally proposed in the magnetoinfrared spectroscopy measurement of Z…
High-Chern number phase in the topological insulator multilayer structures
Yi-Xiang Wang, Fuxiang Li
The high-Chern number phases with a Chern number C>1 have been observed in a recent experiment that performed on the topological insulator (TI) multilayer structures, consisting of…
Phase diagram and orbital Chern insulator in twisted double bilayer graphene
Yi-Xiang Wang, Fuxiang Li, Zi-Yue Zhang
Compared with twisted bilayer graphene, twisted double bilayer graphene (TDBG) provides another important platform to realize the moiré flat bands. In this paper, we first calculat…
Emergent topology under slow non-adiabatic quantum dynamics
Junchen Ye, Fuxiang Li
Characterization of equilibrium topological quantum phases by non-equilibrium quench dynamics provides a novel and efficient scheme in detecting topological invariants defined in e…
Examining the validity of the two-dimensional conical model to describe the three-dimensional ZrTe5
Yi-Xiang Wang, Fuxiang Li
Understanding the low-energy excitation state in three-dimensional layered compound ZrTe5 remains a challenging problem in the study of novel topological materials. Recently, a two…
Phase Diagram of the Dynamics of a Precessing Qubit under Quantum Measurement
Xinru Tang, Fuxiang Li
We study the phase transitions induced by sequentially measuring a single qubit precessing under an external transverse magnetic field. Under projective quantum measurement, the pr…
Disorder and magnetoconductivity in tilted Weyl semimetals
Yi-Xiang Wang, Fuxiang Li
Gapless Weyl semimetals (WSMs) are a novel class of topological materials that host massless Weyl fermions as their low-energy excitations. When the Weyl cone is tilted, the Lorent…
Disorder and magnetic transport in tilted Weyl semimetals
Yi-Xiang Wang
We investigate the effect of disorder on the Landau levels (LLs) in tilted three dimensional Weyl semimetals (WSMs) when a magnetic field is present. Based on the minimum lattice m…
Emergence of asymmetric fermionic order in interacting birefringent fermions
Yi-Xiang Wang, Fuxiang Li
The birefringent fermions possess a spectrum with two distinct Fermi velocities. Here based on the lattice model, we use the mean-field method to investigate the interaction-induce…
Repulsive Fermi gases in a two-dimensional lattice with non-Abelian gauge fields
Yi-Xiang Wang, Fuxiang Li
Motivated by the recent experiment realizing bidirectional spin-orbit-coupled Bose-Einstein condensates (BEC), we theoretically explore the properties of repulsive fermions in the…
Interaction-induced phase transitions of type-II Weyl semimetals
Yi-Xiang Wang, Fuxiang Li, Baoan Bian
The study of Weyl semimetals (WSMs) lies at the forefront of the nontrivial topological phenomena in condensed-matter physics. In this work, we study the effect of on-site repulsiv…
Integrable multistate Landau-Zener models with parallel energy levels
Vladimir Y. Chernyak, Fuxiang Li, Chen Sun +1
We discuss solvable multistate Landau-Zener (MLZ) models whose Hamiltonians have commuting partner operators with -time-dependent parameters. Many already known solvable…
Quantum annealing and thermalization: insights from integrability
Fuxiang Li, V. Y. Chernyak, N. A. Sinitsyn
We solve a model that has basic features that are desired for quantum annealing computations: entanglement in the ground state, controllable annealing speed, ground state energy se…
Structures and magnetic properties of iron silicide from adaptive genetic algorithm and first-principles calculations
Zejin Yang, Shunqing Wu, Xin Zhao +7
We performed a systematic search for low-energy structures of binary iron silicide over a wide range of compositions using the crystal structure prediction method based on adaptive…
Dynamic Symmetries and Quantum Nonadiabatic Transitions
Fixiang Li, Nikolai A. Sinitsyn
Kramers degeneracy theorem is one of the basic results in quantum mechanics. According to it, the time-reversal symmetry makes each energy level of a half-integer spin system at le…
Solvable multistate model of Landau-Zener transitions in cavity QED
Nikolai A. Sinitsyn, Fuxiang Li
We consider the model of a single optical cavity mode interacting with two-level systems (spins) driven by a linearly time-dependent field. When this field passes through values at…