301 citations · 724 across the 22 of their papers we have counts for
24 papers
The nabla operator, Hall--Littlewood polynomials and LLT polynomials
Feng Gu, Mingyang Kang, Dun Qiu +1
Bergeron, Garsia, Haiman, and Tesler conjectured that and are Schur positive, and that $\nablaω\wi…
The -square paths theorem
Dun Qiu, Minhao Zhang
For positive integers with , we prove a -square paths theorem: the symmetric function is a weight…
The Schur positivity of
Dun Qiu, Minhao Zhang
Bergeron, Garsia, Haiman and Tesler conjectured in 1999 that, for all partitions , the polynomial has nonnegative in…
Higher odd-order nonlinear Hall effect in magnetic topological insulator Mn(Bi1-xSbx)2Te4
Xiubing Li, Zheng Dai, Shuai Zhang +10
The nonlinear Hall effect is a new member of the Hall effect family, which attracts intense research interests, and it is closely related to the quantum geometry of quantum materia…
Room-temperature third-order nonlinear anomalous Hall effect in ferromagnetic metal Fe3GaTe2
Zheng Dai, Shuai Zhang, Jiajun Li +9
Berry curvature, as the imaginary component of quantum geometry, plays a crucial role in condensed matter physics. The spatial distribution of Berry curvature can be characterized…
The nonsymmetric compositional Delta theorem
Dun Qiu, Minhao Zhang
Extending the symmetric framework of D'Adderio and Mellit, we establish a nonsymmetric generalization of the compositional Delta theorem. Building on Blasiak et al.'s theory of fla…
A Sc2C2@C88 cluster based ultra-compact multi-level probabilistic bit for matrix multiplication
Haoran Qi, Guohao Xi, Yuan-Biao Zhou +19
Information units are progressively approaching the fundamental physical limits of the integration density, including in terms of extremely small sizes, multistates and probabilist…
Optimized ancillary drive for fast Rydberg entangling gates
Rui Li, Min-Hua Zhang, Jing Qian
Reaching fast and robust two-qubit gates with low infidelities has been an outstanding challenge for the long-term goal of useful quantum computers. Typically, optimizing the pulse…
Electrically controlled nonvolatile switching of single-atom magnetism in a Dy@C84 single-molecule transistor
Feng Wang, Wangqiang Shen, Yuan Shui +10
Single-atom magnetism switching is a key technique towards the ultimate data storage density of computer hard disks and has been conceptually realized by leveraging the spin bistab…
Fano Interference in a Single-Molecule Junction
Yiping Ouyang, Rui Wang, Deping Guo +13
Trends of miniaturized devices and quantum interference electronics lead to the long desire of Fano interference in single-molecule junctions, here, which is successfully demonstra…
Charge Carrier Mediation and Ferromagnetism induced in MnBi6Te10 Magnetic Topological Insulators by antimony doping
Hangkai Xie, Fucong Fei, Fenzhen Fang +11
A new kind of intrinsic magnetic topological insulators (MTI) MnBi2Te4 family have shed light on the observation of novel topological quantum effect such as quantum anomalous Hall…
Experimental evidence on the dissipationless transport of chiral edge state of the high-field Chern insulator in MnBi2Te4 nanodevices
Zhe Ying, Shuai Zhang, Bo Chen +6
We demonstrate the dissipationless transport of the chiral edge state (CES) in the nanodevices of quantum anomalous Hall insulator candidate MnBi2Te4. The device presents a near-ze…
Reversible Engineering of Topological Insulator Surface State Conductivity through Optical Excitation
Faji Xie, Zhen Lian, Shuai Zhang +13
Despite the broadband response, limited optical absorption at a particular wavelength hinders the development of optoelectronics based on Dirac fermions. Heterostructures of graphe…
A Gd@C82-based single molecular electret device with switchable electrical polarization
Kangkang Zhang, Cong Wang, Minhao Zhang +21
Single molecular electrets exhibiting single molecule electric polarization switching have been long desired as a platform for extremely small non-volatile storage devices, althoug…
Magneto-transport and Shubnikov-de Haas oscillations in the layered ternary telluride Ta3SiTe6 topological semimetal
Muhammad Naveed, Fucong Fei, Haijun Bu +10
Topological semimetals characterize a novel class of quantum materials hosting Dirac/Weyl fermions. The important features of topological fermions can be exhibited by quantum oscil…
Experimental observation of the gate-controlled reversal of the anomalous Hall effect in the intrinsic magnetic topological insulator MnBi2Te4 device
Shuai Zhang, Rui Wang, Xuepeng Wang +17
Here we report the reserved anomalous Hall effect (AHE) in the 5-septuple-layer van der Waals device of the intrinsic magnetic topological insulator MnBi2Te4. By employing the top/…
Intrinsic magnetic topological insulator phases in the Sb doped MnBi2Te4 bulks and thin flakes
Bo Chen, Fucong Fei, Dongqin Zhang +23
Magnetic topological insulators (MTIs) offer a combination of topologically nontrivial characteristics and magnetic order and show promise in terms of potentially interesting physi…
Non-topological Origin of the Planar Hall Effect in Type-II Dirac Semimetal NiTe2
Qianqian Liu, Bo Chen, Boyuan Wei +7
Dirac and Weyl semimetals are new discovered topological nontrivial materials with the linear band dispersions around the Dirac/Weyl points. When applying non-orthogonal electric c…
Phase transition and anomalous scaling in the quantum Hall transport of topological insulator Sn-Bi1.1Sb0.9Te2S devices
Faji Xie, Shuai Zhang, Qianqian Liu +12
The scaling physics of quantum Hall transport in optimized topological insulators with a plateau precision of ~1/1000 e2/h is considered. Two exponential scaling regimes are observ…
Direct demonstration of the emergent magnetism resulting from the multivalence Mn in a LaMnO3 epitaxial thin film system
Wei Niu, Wenqing Liu, Min Gu +14
Atomically engineered oxide heterostructures provide a fertile ground for creating novel states. For example, a two-dimensional electron gas at the interface between two oxide insu…
Topological Phase Transition-Induced Tri-Axial Vector Magnetoresistance in (Bi1-xInx)2Se3 Nanodevices
Minhao Zhang, Huaiqiang Wang, Kejun Mu +18
We report the study of a tri-axial vector magnetoresistance (MR) in nonmagnetic (Bi1-xInx)2Se3 nanodevices at the composition of x = 0.08. We show a dumbbell-shaped in-plane negati…
Quantum oscillations and nontrivial transport in (Bi0.92In0.08)2Se3
Minhao Zhang, Yan Li, Fengqi Song +2
Quantum phase transition in topological insulators has drawn heightened attention in condensed matter physics and future device applications. Here we report the magnetotransport pr…
Approaching the Type-II Dirac Point and Concomitant Superconductivity in Pt-doping Stabilized Metastable 1T-phase IrTe2
Fucong Fei, Xiangyan Bo, Pengdong Wang +12
Topological semimetal is a topic of general interest in material science. Recently, a new kind of topological semimetal called type-II Dirac semimetal with tilted Dirac cones is di…
Evidence of both surface and bulk Dirac bands in ZrSiS and the unconventional magnetoresistance
Xuefeng Wang, Xingchen Pan, Ming Gao +15
The unconventional magnetoresistance of ZrSiS single crystals is found unsaturated till the magnetic field of 53 T with the butterfly shaped angular dependence. Intense Shubnikov-d…