3.7k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Chinese Academy of SciencesCN257 papers
- Beijing Academy of Quantum Information SciencesCN235 papers
- Peking UniversityCN220 papers
- University of Science and Technology of ChinaCN204 papers
- Tsinghua UniversityCN193 papers
- University of Chinese Academy of SciencesCN143 papers
- University of Hong KongHK135 papers
- Institute of PhysicsPL94 papers
- National University of SingaporeSG94 papers
- Peng Cheng LaboratoryCN94 papers
- Hong Kong University of Science and TechnologyHK93 papers
- Fudan UniversityCN90 papers
33 papers · 2 filters
Observation of Aharonov-Bohm effect in PbTe nanowire networks
Zuhan Geng, Zitong Zhang, Fangting Chen +19
We report phase coherent electron transport in PbTe nanowire networks with a loop geometry. Magneto-conductance shows Aharonov-Bohm (AB) oscillations with periods of and $h/2…
Two-photon IR pumped UV-Vis transient absorption spectroscopy of Dirac fermions in the 2D and 3D topological insulator Bi2Se3
Yuri D. Glinka, Tingchao He, Xiao Wei Sun
It is often taken for granted that in pump-probe experiments on the topological insulator (TI) Bi2Se3 using IR pumping with a commercial Ti:Sapphire laser [~800 nm (1.55 eV photon…
Polaritons in an electron gas -- quasiparticles and Landau effective interactions
Miguel Angel Bastarrachea-Magnani, Jannie Thomsen, Arturo Camacho-Guardian +1
Two-dimensional semiconductors inside optical microcavities have emerged as a versatile platform to explore new hybrid light-matter quantum states. The strong light-matter coupling…
Floquet Valley-Polarized Quantum Anomalous Hall State in Nonmagnetic Heterobilayers
Fangyang Zhan, Zhen Ning, Li-Yong Gan +3
The valley-polarized quantum anomalous Hall (VQAH) state, which forwards a strategy for combining valleytronics and spintronics with nontrivial topology, attracts intensive interes…
Coherent surface-to-bulk vibrational coupling in the 2D topologically trivial insulator Bi2Se3 monitored by ultrafast transient absorption spectroscopy
Yuri D. Glinka, Tingchao He, Xiao Wei Sun
Ultrafast carrier relaxation in the 2D topological insulator (TI) Bi2Se3 [gapped Dirac surface states (SS)] and how it inherits ultrafast relaxation in the 3D TI Bi2Se3 (gapless Di…
On the emergence of heat waves in the transient thermal grating geometry
Chuang Zhang, Samuel Huberman, Lei Wu
The propagation of heat in the transient thermal grating geometry is studied based on phonon Boltzmann transport equation (BTE) in different phonon transport regimes. Our analytica…
Quasiparticle trapping at vortices producing Josephson supercurrent enhancement
Yosuke Sato, Kento Ueda, Yuusuke Takeshige +6
The Josephson junction of a strong spin-orbit material under a magnetic field is a promising Majorana fermion candidate. Supercurrent enhancement by a magnetic field has been obser…
Selective area epitaxy of PbTe-Pb hybrid nanowires on a lattice-matched substrate
Yuying Jiang, Shuai Yang, Lin Li +17
Topological quantum computing is based on braiding of Majorana zero modes encoding topological qubits. A promising candidate platform for Majorana zero modes is semiconductor-super…
Weyl nodes with higher-order topology in an optically driven nodal-line semimetal
Xiu-Li Du, Rui Chen, Rui Wang +1
Creating and manipulating topological states is a key goal of condensed matter physics. Periodic driving offers a powerful method to manipulate electronic states, and even to creat…
Magnetic field induced Valley-Polarized Quantum Anomalous Hall Effects in Ferromagnetic van der Waals Heterostructures
Fangyang Zhan, Baobing Zheng, Xiaoliang Xiao +3
The valley-polarized quantum anomalous Hall effect (VQAHE) attracts intensive interest since it uniquely combines valleytronics and spintronics with nontrivial band topology. Here,…
Topological Magnetoelectric Response in Ferromagnetic Axion Insulators
Yuhao Wan, Jiayu Li, Qihang Liu
Topological magnetoelectric effect (TME) is a hallmark response of the topological field theory, which provides a paradigm shift in the study of emergent topological phenomena. How…
Analytic solution to pseudo-Landau levels in strongly bent graphene nanoribbons
Tianyu Liu, Hai-Zhou Lu
Nonuniform elastic strain is known to induce pseudo-Landau levels in Dirac materials. But these pseudo-Landau levels are hardly resolvable in an analytic fashion when the strain is…
Atomic-Scale Probing of Heterointerface Phonon Bridges in Nitride Semiconductor
Yue-Hui Li, Rui-Shi Qi, Ruo-Chen Shi +12
Interface phonon modes that are generated by several atomic layers at the heterointerface play a major role in the interface thermal conductance for nanoscale high-power devices su…
Giant Topological Hall Effect in van der Waals Heterostructures of CrTe2/Bi2Te3
Xiaoqian Zhang, Siddhesh C. Ambhire, Qiangsheng Lu +11
Discoveries of interfacial topological Hall effect (THE) provide an ideal platform for exploring physics arising from the interplay between topology and magnetism. The interfacial…
Higher-order topological Anderson insulators in quasicrystals
Tan Peng, Chun-Bo Hua, Rui Chen +3
The disorder effects on higher-order topological phases in periodic systems have attracted much attention. However, in aperiodic systems, such as quasicrystalline systems, the inte…
Dynamics of Polar Skyrmion Bubbles under Electric Fields
Ruixue Zhu, Zhexin Jiang, Xinxin Zhang +18
Room-temperature polar skyrmion bubbles that are recently found in oxide superlattice, have received enormous interests for their potential applications in nanoelectronics due to t…
Dynamical signatures of point-gap Weyl semimetal
Haiping Hu, Erhai Zhao, W. Vincent Liu
We demonstrate a few unique dynamical properties of point-gap Weyl semimetal, an intrinsic non-Hermitian topological phase in three dimensions. We consider a concrete model where a…
Disorder-induced chiral and helical Majorana edge modes in a two-dimensional Ammann-Beenker quasicrystal
Chun-Bo Hua, Zheng-Rong Liu, Tan Peng +3
Recent research on disorder effects in topological phases in quasicrystalline systems has received much attention. In this work, by numerically computing the (spin) Bott index and…
Quantum Hall effect originated from helical edge states in CdAs
Rui Chen, C. M. Wang, Tianyu Liu +2
The recent experimental observations of the quantum Hall effect in 3D topological semimetals have attracted great attention, but there are still debates on its origin. We systemati…
Dynamic Opening of a Gap in Dirac Surface States of the Thin-Film 3D Topological Insulator Bi2Se3 Driven by the Dynamic Rashba Effect
Yuri D. Glinka, Tingchao He, Xiao Wei Sun
Optical control of Dirac surface states (SS) in topological insulators (TI) remains one of the most challenging problems governing their potential applications in novel electronic…
Observation of Weyl point pair annihilation in a gyromagnetic photonic crystal
Gui-Geng Liu, Zhen Gao, Peiheng Zhou +9
Weyl semimetals are gapless three-dimensional (3D) phases whose bandstructures contain Weyl point (WP) degeneracies. WPs carry topological charge and can only be eliminated by mutu…
Field-Tunable One-Sided Higher-Order Topological Hinge States in Dirac Semimetals
Rui Chen, Tianyu Liu, C. M. Wang +2
Recently, higher-order topological matter and 3D quantum Hall effects have attracted great attention. The Fermi-arc mechanism of the 3D quantum Hall effect proposed in Weyl semimet…
Phase transitions in intrinsic magnetic topological insulator with high-frequency pumping
Fang Qin, Rui Chen, Hai-Zhou Lu
In this work, we investigate the topological phase transitions in an effective model for a topological thin film with high-frequency pumping. In particular, our results show that t…
Dynamics of Quantum Hall Interfaces
Qi Li, Ken K. W. Ma, Ruojun Wang +3
A quantum Hall (QH) interface is different from an ordinary QH edge, as the latter has its location determined by the confining potential, while the former can be unpinned and beha…