【摘 要】
：
We argue that the topological charge density wave phase in the quasi-2D Kagome superconductor AV3Sb5 is a chiral flux phase.Considering the symmetry of the Kagome lattice,we show that the chiral flux phase has the lowest energy among those states which ex
【机 构】
：
Beijing National Laboratory for Condensed Matter Physics and Institute of Physics,Chinese Academy of
论文部分内容阅读
We argue that the topological charge density wave phase in the quasi-2D Kagome superconductor AV3Sb5 is a chiral flux phase.Considering the symmetry of the Kagome lattice,we show that the chiral flux phase has the lowest energy among those states which exhibit 2×2 charge orders observed experimentally.This state breaks the time-reversal symmetry and displays anomalous Hall effect.The explicit pattern of the density of state in real space is calculated.These results are supported by recent experiments and suggest that these materials are new platforms to investigate the interplay between topology,super-conductivity and electron-electron correlations.
其他文献
The Tibetan Plateau(TP),as the world\'s highest plateau,has almost all the key elements of the entire Earth system,including interconnected lithosphere,atmosphere,cryosphere,biosphere and anthroposphere[1-3].This completeness makes the TP an ideal natur
Aerobic glycolysis,also known as the Warburg effect,is a hallmark of cancer and essential for metabolism in malignancies,but its regulation and modulation in cancer cells remain poorly understood.Here,using large-scale functional screening,we identified a
The security of quantum communication is based on the laws of quantum mechanics,which can resist attacks from any powerful classical and quantum computers.It has great potential in secure communication in the future.One well-known form of quantum communic
Metal halide perovskite solar cells(PSCs)have drawn enormous attention due to their great potential to share the market of silicon solar cells[1-3].During the past few years,significant progress has been made in fabrication method,chemical composition,def
The orchestrated expression of thousands of genes gives rise to the complexity of the human brain.However,the structures governing these myriad gene-gene interactions remain unclear.By analyzing transcription data from more than 2000 sites in six human br
Introducing ferromagnetism into non-magnetic systems without the participation of magnetic elements is promising for all-electric spintronic devices[1,2].Many approaches have been pursued,such as non-magnetic defects induced magnetization in layered mater
The pandemic of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused a high number of deaths in the world.To combat it,it is necessary to develop a better understanding of how the virus infects host cells.Infection normally starts w
Thiazolidinediones(TZDs)are potent insulin sensitizers[1,2],effectively lower the glycosylated hemoglobin A1c HbA1c[1,3]and exert cardiovascular(CV)protective effects in diabetic[4]and nondiabetic[5]individuals with a prior CV event.Although less well app
Amidst the development of photoelectrochemical(PEC)CO2 conversion toward practical application,the production of high-value chemicals beyond C1 compounds under mild conditions is greatly desired yet challenging.Here,through rational PEC device design by c
Higher-order topological phases give rise to new bulk and boundary physics,as well as new classes of topological phase transitions.While the realization of higher-order topological phases has been con-firmed in many platforms by detecting the existence of