activity
20182023
most citedChiral SDW and d + id superconductivity in the magic-angle twisted bilayer-graphene

293 citations · 934 across the 15 of their papers we have counts for

collaborators

16 papers

cond-mat.supr-con2023★ 15 cited

High-temperature Majorana corner modes in a superconductor heterostructure: Application to twisted bilayer cuprate superconductors

Yu-Xuan Li, Cheng-Cheng Liu

The realization of Majorana corner modes generally requires unconventional superconducting pairing or -wave pairing. However, the bulk nodes in unconventional superconductors an…

cond-mat.mes-hall2020★ 21 cited

four-band Wannier tight-binding model for generic twisted graphene systems

Jin Cao, Maoyuan Wang, Cheng-Cheng Liu +1

The newly realized twisted graphene systems such as twisted bilayer graphene (TBG), twisted double bilayer graphene (TDBG), and twisted trilayer graphene (TTG) have attracted wides…

cond-mat.mtrl-sci2020★ 3 cited

Ultralong carrier lifetime of topological edge states in a-Bi4Br4

Pengcheng Mao, Junfeng Han, Jingchuan Zheng +13

The rising of quantum spin Hall insulators (QSHI) in two-dimensional (2D) systems has been attracting significant interest in current research, for which the 1D helical edge states…

cond-mat.mtrl-sci2020★ 2 cited

Observation of the Topologically Originated Edge States in large-gap Quasi-One-Dimensional a-BiBr

Pengcheng Mao, Maoyuan Wang, Dashuai Ma +16

Two-dimensional topological insulator features time-reversal-invariant spin-momentum-locked one-dimensional (1D) edge states with a linear energy dispersion. However, experimental…

cond-mat.mes-hall2020★ 9 cited

Quasi-One-Dimensional Higher-Order Topological Insulators

Chiho Yoon, Cheng-Cheng Liu, Hongki Min +1

Quasi-1D materials BiX (X=Br,I) are prototype weak topological insulators (TI) in the phase. For the phases, recent high-throughput database screening suggests…

cond-mat.str-el2020★ 48 cited

Kohn-Luttinger mechanism driven exotic topological superconductivity on the Penrose lattice

Ye Cao, Yongyou Zhang, Yu-Bo Liu +3

The Kohn-Luttinger mechanism for unconventional superconductivity (SC) driven by weak repulsive electron-electron interactions on a periodic lattice is generalized to the quasicrys…

cond-mat.mtrl-sci2019

Spectroscopic evidence for a spin and valley polarized metallic state in a non-magic-angle twisted bilayer graphene

Ya-Ning Ren, Chen Lu, Yu Zhang +7

In the magic-angle twisted bilayer graphene (MA-TBG), strong electron-electron (e-e) correlations caused by the band-flattening lead to many exotic quantum phases such as supercond…

cond-mat.supr-con2019★ 7 cited

Intrinsic topological superconductivity with exactly flat surface bands in the quasi-one-dimensional ACrAs (A=Na, K, Rb, Cs) superconductors

Cheng-Cheng Liu, Chen Lu, Li-Da Zhang +3

A spin-U(1)-symmetry protected momentum-dependent integer--valued topological invariant is proposed to time-reversal-invariant (TRI) superconductivity (SC) whose nonzero value w…

cond-mat.mtrl-sci2019★ 72 cited

Nodal Line Spin-gapless Semimetals and High-quality Candidate Materials

Run-Wu Zhang, Zeying Zhang, Cheng-Cheng Liu +1

Spin-gapless semimetals (SGSMs), which generate 100\% spin polarization, are viewed as promising semi-half-metals in spintronics with high speed and low consumption. We propose and…

cond-mat.mtrl-sci2018★ 24 cited

Cat's cradle-like Dirac semimetals in layer groups with multiple screw axes: Application to 2D Borophene and Borophane

Xiaotong Fan, Dashuai Ma, Botao Fu +2

Recently, the crystal symmetry-protected topological semimetals have aroused extensive interests, especially for the nonsymmorphic symmetry-protected one. We list the possible nonm…

cond-mat.mtrl-sci2018★ 50 cited

Hourglass-like Nodal Net Semimetal in Ag2BiO3

Botao Fu, Dashuai Ma, Xiaotong Fan +2

Based on first-principles calculation and analysis of crystal symmetries, we propose a kind of hourglass-like nodal net (HNN) semimetal in centrosymmetric Ag2BiO3 that is construct…

cond-mat.mtrl-sci2018★ 85 cited

Monolayer group-III monochalcogenides by oxygen functionalization: a promising class of two-dimensional topological insulators

Si Zhou, Cheng-Cheng Liu, Jijun Zhao +1

Monolayer group-III monochalcogenides (MX, M = Ga, In; X = S, Se, Te), an emerging category of two-dimensional (2D) semiconductors, hold great promise for electronics, optoelectron…

cond-mat.mtrl-sci2018★ 16 cited

Nodal line semimetal states in positive electrode material of lead-acid battery: Lead dioxide family and its derivatives

Run-Wu Zhang, Cheng-Cheng Liu, Da-Shuai Ma +2

Based on first-principles calculations and symmetry analysis, we report that the three-dimensional (3D) nodal line (NL) semimetal phases can be realized in the lead dioxide family…

cond-mat.mtrl-sci2018★ 31 cited

Mirror Protected Multiple Nodal Line Semimetals and Material Realization

Da-Shuai Ma, Jianhui Zhou, Botao Fu +3

The conventional k.p method fails to capture the full and essential physics of many symmetry enriched multiple nodal line structures in the three dimensional Brillouin zone. Here w…

cond-mat.mes-hall2018★ 258 cited

High-Temperature Majorana Corner States

Qiyue Wang, Cheng-Cheng Liu, Yuan-Ming Lu +1

Majorana bound states often occur at the end of 1D topological superconductor or at the Josephson junction mediated by a helical edge state. Validated by a new bulk invariant a…

cond-mat.supr-con2018★ 293 cited

Chiral SDW and d + id superconductivity in the magic-angle twisted bilayer-graphene

Cheng-Cheng Liu, Li-Da Zhang, Wei-Qiang Chen +1

We model the newly synthesized magic-angle twisted bilayer-graphene superconductor with two -like Wannier orbitals on the superstructure honeycomb lattice, where the hoppi…