533 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- National Center for Theoretical SciencesTW639 papers
- National Tsing Hua UniversityTW453 papers
- National Taiwan UniversityTW323 papers
- Institute of Physics, Academia SinicaTW206 papers
- National Yang Ming Chiao Tung UniversityTW113 papers
- National Cheng Kung UniversityTW111 papers
- Konkuk UniversityKR72 papers
- National Central UniversityTW64 papers
- Academia SinicaTW63 papers
- Institute of Astronomy and Astrophysics, Academia SinicaTW55 papers
- Shanghai Jiao Tong UniversityCN55 papers
- Korea Institute for Advanced StudyKR53 papers
55 papers · 1 filter
Topological Nature of Orbital Chern Insulators
Yueh-Ting Yao, Chia-Hung Chu, Arun Bansil +2
Ground state topologies in quantum materials have unveiled many unique topological phases with novel Hall responses. Recently, the orbital Hall effect in insulators has suggested t…
Quantum metric non-linear Hall effect in an antiferromagnetic topological insulator thin-film EuSn2As2
Hung-Ju Tien, Hsin Lin, Liang Fu +1
The quantum geometric structure of electrons introduces fundamental insights into understanding quantum effects in materials. One notable manifestation is the non-linear Hall effec…
Coexistent topological and chiral phonons in chiral RhGe: An ab initio study
P. V. Sreenivasa Reddy, Guang-Yu Guo
The CoSi-family of materials (CoSi, CoGe, RhSi and RhGe) forms a cubic chiral structure and hosts unconventional multifold chiral fermions, such as spin-1 and spin-3/2 fermions, le…
Atomically thin obstructed atomic insulators with robust edge modes and quantized spin Hall effect
Rahul Verma, Shin-Ming Huang, Bahadur Singh
Symmetry-protected edge states serve as direct evidence of nontrivial electronic topology in atomically thin materials. Finding these states in experimentally realizable single-pha…
Gapped nodal planes drive a large topological Nernst effect in a chiral lattice antiferromagnet
N. D. Khanh, S. Minami, M. Hirschmann +15
The electronic structure of compensated antiferromagnets (CAF) has drawn attention for its ability to create large responses, reminiscent of ferromagnets and suitable for data stor…
Feature-energy duality of topological boundary states in multilayer quantum spin Hall insulator
Yueh-Ting Yao, Xiaoting Zhou, Yi-Chun Hung +3
Gapless topological boundary states characterize nontrivial topological phases arising from the bulk-boundary correspondence in symmetry-protected topological materials, such as th…
Exciton enhanced nonlinear optical responses in monolayer h-BN and MoS2: Insight from first-principles exciton-state coupling formalism and calculations
Jiawei Ruan, Y. -H. Chan, Steven G. Louie
Excitons are vital in the photophysics of materials, especially in low-dimensional systems. The conceptual and quantitative understanding of excitonic effects in nonlinear optical…
Ab initio quantum approach to electron-hole exchange for semiconductors hosting Wannier excitons
Monique Combescot, Thierry Amand, Shiue-Yuan Shiau
We propose a quantum approach to "electron-hole exchange", better named electron-hole pair exchange, that makes use of the second quantization formalism to describe the problem in…
Manifestation of chiral magnetic current in Floquet-Weyl semimetals
Tsung-Yu Chen, Po-Hao Chou, Chung-Yu Mou
Materials that can host macroscopic persistent current are important because they are useful for energy storage. However, there are very few examples of such materials in nature. S…
Electron-phonon coupling from GW perturbation theory: Practical workflow combining BerkeleyGW, ABINIT, and EPW
Zhenglu Li, Gabriel Antonius, Yang-Hao Chan +1
We present a workflow of practical calculations of electron-phonon (e-ph) coupling with many-electron correlation effects included using the GW perturbation theory (GWPT). This wor…
Role of effective mass anisotropy in realizing a hybrid nodal-line fermion state
Bikash Patra, Rahul Verma, Shin-Ming Huang +1
Understanding the role of lattice geometry in shaping topological states and their properties is of fundamental importance to condensed matter and device physics. Here we demonstra…
Giant Magneto-Optical Schäfer-Hubert Effect in Two-Dimensional van der Waals Antiferromagnets \textit{M}PS (\textit{M}=Mn, Fe, Ni)
Ping Yang, Wanxiang Feng, Gui-Bin Liu +2
The recent discovery of long-range magnetic order in atomically thin films has triggered particular interest in two-dimensional (2D) van der Waals (vdW) magnetic materials. In this…
Efficient hydrogen evolution reaction due to topological polarization
Ming-Chun Jiang, Guang-Yu Guo, Motoaki Hirayama +3
Materials carrying topological surface states (TSS) provide a fascinating platform for the hydrogen evolution reaction (HER). Based on systematic first-principles calculations for…
Magnetic dilution effect and topological phase transitions in (MnPb)BiTe
Tiema Qian, Yueh-Ting Yao, Chaowei Hu +5
As the first intrinsic antiferromagnetic (AFM) topological insulator (TI), MnBiTe has provided a material platform to realize various emergent phenomena arising from the in…
Anisotropic spin Hall and spin Nernst effects in bismuth semimetal
Guang-Yu Guo
Bismuth is an archetypal semimetal with gigantic spin-orbit coupling and it has been a major source material for the discovery of seminal phenomena in solid state physics for more…
Helicity-tunable spin Hall and spin Nernst effects in unconventional chiral fermion semimetals XY (X=Co, Rh; Y=Si, Ge)
Ting-Yun Hsieh, Babu Baijnath Prasad, Guang-Yu Guo
Transition metal monosilicides CoSi, CoGe, RhSi and RhGe in the chiral cubic B20 structure have recently been found to host unconventional chiral fermions beyond spin-1/2 WFs, and…
From spherical to periodic symmetry: the analog of orbital angular momentum for semiconductor crystals
Monique Combescot, Shiue-Yuan Shiau
The angular momentum formalism provides a powerful way to classify atomic states. Yet, requiring a spherical symmetry from the very first line, this formalism cannot be used for pe…
Picosecond creation of switchable optomagnets with giant photoinduced Kerr rotations in polar antiferromagnetic (FeZn)MoO
Y. M. Sheu, Y. M. Chang, C. P. Chang +5
On-demand spin orientation with long polarized lifetime and easily detectable signal is an ultimate goal for spintronics. However, there still exists a trade-off between controllab…
Large bulk photovoltaic effect and second-harmonic generation in few-layer pentagonal semiconductors PdS and PdSe
Vijay Kumar Gudelli, Guang-Yu Guo
Recently, atomically thin PdSe semiconductors with rare pentagonal Se-Pd-Se monolayers were synthesized and were also found to possess superior properties such as ultrahigh air…
Co-existence of Topological Non-trivial and Spin Gapless Semiconducting Behavior in MnPO: A Composite Quantum Compound
Chia-Hsiu Hsu, P. C. Sreeparvathy, Chanchal K. Barman +2
Composite quantum compounds (CQC) are classic example of quantum materials which host more than one apparently distinct quantum phenomenon in physics. Magnetism, topological superc…
Strain-Induced Charge Density Waves with Emergent Topological States in Monolayer NbSe2
Wei-Chi Chiu, Sougata Mardanya, Robert Markiewicz +7
Emergence of topological states in strongly correlated systems, particularly two-dimensional (2D) transition-metal dichalcogenides, offers a platform for manipulating electronic pr…
Electrically Controllable Crystal Chirality Magneto-Optical Effects in Collinear Antiferromagnets
Xiaodong Zhou, Wanxiang Feng, Xiuxian Yang +2
The spin chirality, created by magnetic atoms, has been comprehensively understood to generate and control the magneto-optical effects. In comparison, the role of the crystal chira…
Large magneto-optical effect and magnetic anisotropy energy in two-dimensional metallic ferromagnet FeGeTe
Ming-Chun Jiang, Guang-Yu Guo
Few layers FeGeTe is currently the only atomically thin ferromagnetic metal, and thus has drawn huge attention in the field of two-dimensional (2D) magnetism. In this paper…
Cubic Dirac and quadruple Weyl points in screw-symmetric materials
Peng-Jen Chen, Wan-Ju Li, Ting-Kuo Lee
High-order topological charge is of intensive interest in the field of topological matters. In real materials, cubic Dirac point is rare and the chiral charge of one Weyl point (WP…