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Related papers: Long-range electron coherence in Kagome metals

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The recently discovered layered kagome superconductors $\textit{A}$V$_{3}$Sb$_{5}$ ($\textit{A}$ = K, Rb, Cs) have garnered significant attention, as they exhibit an intriguing combination of superconductivity, charge density wave (CDW)…

Superconductivity · Physics 2023-11-15 Yong Hu , Xianxin Wu , Andreas P. Schnyder , Ming Shi

As one class of typical quantum materials, Kagome metals in $A$V$_3$Sb$_5$($A$ = K, Rb, Cs) have attracted extensive attentions due to their interesting physical properties and different quantum phases of charge density wave (CDW),…

Strongly Correlated Electrons · Physics 2024-12-18 Tianye Yu , Junwen Lai , Xiangyang Liu , Peitao Liu , Xing-Qiu Chen , Yan Sun

Two-dimensional kagome metals consisting of corner-sharing triangles offer a unique platform for studying strong electron correlations and band topology due to its geometrically frustrated lattice structure. The similar energy scales…

Strongly Correlated Electrons · Physics 2024-03-12 Lebing Chen , Xiaokun Teng , Hengxin Tan , Barry L. Winn , Garrett E. Granorth , Feng Ye , D. H. Yu , R. A. Mole , Bin Gao , Binghai Yan , Ming Yi , Pengcheng Dai

Kagome metals AV3Sb5 (A = K, Cs, Rb) provide a rich platform for intertwined orders, where evidence for time-reversal symmetry breaking, likely due to the long-sought loop currents, has emerged in STM and muon spin relaxation experiments.…

Strongly Correlated Electrons · Physics 2023-09-06 Camron Farhang , Jingyuan Wang , Brenden R. Ortiz , Stephen D. Wilson , Jing Xia

Superconductivity represents a macroscopic quantum state notable for its rich manifestations of electronic coherence and collective behavior. Kagome materials AV3Sb5 (A= K, Cs, Rb) possess cascade intertwined quantum phases including…

We investigate the role of long-range Coulomb interactions in $M$-valley moir\'es using the self-consistent Hartree-Fock approximation. This platform was recently proposed [Nature 643, 376 (2025) and arXiv:2411.18828 (2024)] as a new class…

Mesoscale and Nanoscale Physics · Physics 2025-09-24 Christophe De Beule , Liangtao Peng , E. J. Mele , Shaffique Adam

Kagome metals with the Fermi energy tuned near the van Hove singularities (vHss) have shown to host exotic phases including unconventional superconductivity and a chiral flux phase arising from a charge density wave. However, most quantum…

Strongly Correlated Electrons · Physics 2024-01-29 Elliott Rosenberg , Jonathan DeStefano , Yongbin Lee , Chaowei Hu , Yue Shi , David Graf , Shermane M. Benjamin , Liqin Ke , Jiun-Haw Chu

Kagome metals are reported to exhibit remarkable properties, including superconductivity, charge density wave order, and a large anomalous Hall conductivity, which facilitate the implementation of spintronic devices. In this work, we study…

Strongly Correlated Electrons · Physics 2024-01-12 Sobhit Singh , A. C. Garcia-Castro

The kagome lattice of transition metal atoms provides an exciting platform to study electronic correlations in the presence of geometric frustration and nontrivial band topology, which continues to bear surprises. In this work, using…

Three important driving forces for creating qualitatively new phases in quantum materials are the topology of the materials' electronic band structures, frustration in the electrons' motion or magnetic interactions, and strong correlations…

We study coherence of electron transport through interacting quantum dots and discuss the relation of the coherent part to the flux-sensitive conductance for three different types of Aharonov-Bohm interferometers. Contributions to transport…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Jürgen König , Yuval Gefen

Recently, competing electronic instabilities, including superconductivity and density-wave-like order, have been discovered in vanadium-based kagome metals AV3Sb5 (A = K, Rb, Cs) with a nontrivial band topology. This finding stimulates wide…

The kagome lattice has garnered significant attention due to its ability to host quantum spin Fermi liquid states. Recently, the combination of unique lattice geometry, electron-electron correlations, and adjustable magnetism in solid…

Strongly Correlated Electrons · Physics 2025-01-06 Man Li , Huan Ma , Rui Lou , Shancai Wang

Kagome metal CsV$_3$Sb$_5$ has attracted much recent attention due to the coexistence of multiple exotic orders and the associated proposals to mimic unconventional high temperature superconductors. Nevertheless, magnetism and strong…

Two important features of mesoscopic Aharonov-Bohm (A-B) electronic interferometers are analyzed: decoherence due to coupling with other degrees of freedom and the coupled transport of charge and heat. We first review the principles of…

Mesoscale and Nanoscale Physics · Physics 2017-08-23 O. Entin-Wohlman , A. Aharony , Y. Imry

We provide a theoretical explanation for two recent experiments on decoherence of Aharonov-Bohm oscillations in two- and multi-terminal ballistic rings. We consider decoherence due to charge fluctuations and emphasize the role of charge…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Georg Seelig , Sebastian Pilgram , Markus Buttiker

We determine the nature of a phase transition in a model describing an interaction of multiple charge density waves in a two dimensional film. The model was introduced by two of the authors in Phys. Rev. B {\bf 108}, 045119 (2023) to…

Strongly Correlated Electrons · Physics 2024-11-15 Julia Wildeboer , Saheli Sarkar , Alexei M. Tsvelik

A family of V-based kagome metals AV$_3$Sb$_5$ (A = Cs, Rb, K) presents an intriguing platform for exploring the interplay of time-reversal symmetry breaking, nontrivial topological bands, and electron correlations, resulting in a range of…

Materials Science · Physics 2024-12-11 Chongze Wang , Shichang Yao , Shuyuan Liu , Bing Wang , Liangliang Liu , Yu Jia , Jun-Hyung Cho

We present a microscopic picture of quantum transport in quantum antidots in the quantum Hall regime taking electron interactions into account. We discuss the edge state structure, energy level evolution, charge quantization and…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 S. Ihnatsenka , I. V. Zozoulenko , G. Kirczenow

The V-based kagome systems AV3Sb5 (A = Cs, Rb and K) are unique by virtue of the intricate interplay of non-trivial electronic structure, topology and intriguing fermiology, rendering them to be a playground of many mutually dependent…

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