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The following term was not found in PubMed: Tian-Yow
Page 1
Non-Hermitian Chern Bands.
Yao S, Song F, Wang Z. Yao S, et al. Phys Rev Lett. 2018 Sep 28;121(13):136802. doi: 10.1103/PhysRevLett.121.136802. Phys Rev Lett. 2018. PMID: 30312068
The relation between chiral edge modes and bulk Chern numbers of quantum Hall insulators is a paradigmatic example of bulk-boundary correspondence. ...We introduce non-Bloch Chern numbers that faithfully predict the numbers of chiral edge modes. ...
The relation between chiral edge modes and bulk Chern numbers of quantum Hall insulators is a paradigmatic example of bulk-boundary c …
C(n)-symmetric Chern insulators.
Han Y, He AL. Han Y, et al. J Phys Condens Matter. 2021 Apr 23;33(18). doi: 10.1088/1361-648X/abeec1. J Phys Condens Matter. 2021. PMID: 33721846
Chern insulators (CIs) have attracted great interests for the realization of quantum Hall states without external magnetic field. ...TheseC(n)-symmetric CIs can be identified based on the chiral edge states, the real-space Chern number and the quantized conductance. …
Chern insulators (CIs) have attracted great interests for the realization of quantum Hall states without external magnetic field. ... …
Fractional Chern insulators in magic-angle twisted bilayer graphene.
Xie Y, Pierce AT, Park JM, Parker DE, Khalaf E, Ledwith P, Cao Y, Lee SH, Chen S, Forrester PR, Watanabe K, Taniguchi T, Vishwanath A, Jarillo-Herrero P, Yacoby A. Xie Y, et al. Nature. 2021 Dec;600(7889):439-443. doi: 10.1038/s41586-021-04002-3. Epub 2021 Dec 15. Nature. 2021. PMID: 34912084 Free PMC article.
Fractional Chern insulators (FCIs) are lattice analogues of fractional quantum Hall states that may provide a new avenue towards manipulating non-Abelian excitations. Early theoretical studies(1-7) have predicted their existence in systems with flat Chern bands and …
Fractional Chern insulators (FCIs) are lattice analogues of fractional quantum Hall states that may provide a new avenue towards mani …
Kekulé Moiré Superlattices.
Ye Y, Qian J, Zhang XW, Wang C, Xiao D, Cao T. Ye Y, et al. Nano Lett. 2023 Jul 26;23(14):6536-6543. doi: 10.1021/acs.nanolett.3c01550. Epub 2023 Jul 11. Nano Lett. 2023. PMID: 37432747
By first-principles calculations, we demonstrate that the antiferromagnetic MnPSe(3) strongly couples the otherwise degenerate Kramers' valleys of MoTe(2), resulting in valley pseudospin textures that depend on the Neel vector direction, stacking geometry, and external fields. Wi …
By first-principles calculations, we demonstrate that the antiferromagnetic MnPSe(3) strongly couples the otherwise degenerate Kramers' vall …
Topological Chern vectors in three-dimensional photonic crystals.
Liu GG, Gao Z, Wang Q, Xi X, Hu YH, Wang M, Liu C, Lin X, Deng L, Yang SA, Zhou P, Yang Y, Chong Y, Zhang B. Liu GG, et al. Nature. 2022 Sep;609(7929):925-930. doi: 10.1038/s41586-022-05077-2. Epub 2022 Sep 28. Nature. 2022. PMID: 36171386
The paradigmatic example of a topological phase of matter, the two-dimensional Chern insulator(1-5), is characterized by a topological invariant consisting of a single integer, the scalar Chern number. ...Such Chern vectors for 3D Chern insulators have …
The paradigmatic example of a topological phase of matter, the two-dimensional Chern insulator(1-5), is characterized by a topologica …
Chern-Insulator Phase in Antiferromagnets.
Liu Y, Li J, Liu Q. Liu Y, et al. Nano Lett. 2023 Sep 27;23(18):8650-8656. doi: 10.1021/acs.nanolett.3c02489. Epub 2023 Sep 13. Nano Lett. 2023. PMID: 37704584
The long-sought Chern insulators that manifest a quantum anomalous Hall effect are typically considered to occur in ferromagnets. ...Our symmetry analysis provides comprehensive magnetic layer point groups that allow antiferromagnetic (AFM) Chern insulators, reveali …
The long-sought Chern insulators that manifest a quantum anomalous Hall effect are typically considered to occur in ferromagnets. ... …
Simulating Chern insulators on a superconducting quantum processor.
Xiang ZC, Huang K, Zhang YR, Liu T, Shi YH, Deng CL, Liu T, Li H, Liang GH, Mei ZY, Yu H, Xue G, Tian Y, Song X, Liu ZB, Xu K, Zheng D, Nori F, Fan H. Xiang ZC, et al. Nat Commun. 2023 Sep 5;14(1):5433. doi: 10.1038/s41467-023-41230-9. Nat Commun. 2023. PMID: 37669968 Free PMC article.
With these two signatures of topology, our experiments implement the bulk-edge correspondence in the synthetic 2D Chern insulator. Moreover, we simulate two different bilayer Chern insulators on the ladder-type superconducting processor. With the same and opposite p …
With these two signatures of topology, our experiments implement the bulk-edge correspondence in the synthetic 2D Chern insulator. Mo …
Weyl Phonons in Chiral Crystals.
Zhang T, Huang Z, Pan Z, Du L, Zhang G, Murakami S. Zhang T, et al. Nano Lett. 2023 Aug 23;23(16):7561-7567. doi: 10.1021/acs.nanolett.3c02132. Epub 2023 Aug 2. Nano Lett. 2023. PMID: 37530581
., quasiparticles, and crystal structures. Of particular interest are Weyl phonons carrying specific Chern numbers and chiral phonons doing circular motions. Up to now, they have been studied independently and the interpretations of chirality seem to be different in these …
., quasiparticles, and crystal structures. Of particular interest are Weyl phonons carrying specific Chern numbers and chiral phonons …
Quantum interactions in topological R166 kagome magnet.
Xu X, Yin JX, Qu Z, Jia S. Xu X, et al. Rep Prog Phys. 2023 Oct 9;86(11). doi: 10.1088/1361-6633/acfd3d. Rep Prog Phys. 2023. PMID: 37751734 Review.
Arising from the unusual geometry, the quantum interactions in the kagome lattice give rise to various quantum states, including the Chern-gapped Dirac fermion, Weyl fermion, flat band and van Hove singularity. ...We discuss the spectroscopic and transport visualization of …
Arising from the unusual geometry, the quantum interactions in the kagome lattice give rise to various quantum states, including the Cher …
Photonic topological insulators in bianisotropic metamaterials.
Chern RL, Shen YJ, Yu YZ. Chern RL, et al. Opt Express. 2022 Mar 14;30(6):9944-9958. doi: 10.1364/OE.443891. Opt Express. 2022. PMID: 35299408 Free article.
By introducing the pseudospin basis, the photonic system can be described by the spin-orbit Hamiltonians with spin 1, which result in nonzero spin Chern numbers that determine the topological properties. Surface modes at the interface between two bianisotropic media with o …
By introducing the pseudospin basis, the photonic system can be described by the spin-orbit Hamiltonians with spin 1, which result in nonzer …
3,367 results