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topological insulators

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Observation of non-Hermitian topology and its bulk–edge correspondence in an active mechanical metamaterial
Ananya Ghatak, Martin Brandenbourger, Jasper van Wezel, and Corentin Coulais

PNAS November 24, 2020 117 (47) 29561-29568; first published November 9, 2020. https://doi.org/10.1073/pnas.2010580117
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Experimental realization of a reconfigurable electroacoustic topological insulator
Amir Darabi, Manuel Collet, and Michael J. Leamy

PNAS July 14, 2020 117 (28) 16138-16142; first published June 29, 2020. https://doi.org/10.1073/pnas.1920549117
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Observation of backscattering induced by magnetism in a topological edge state
Berthold Jäck, Yonglong Xie, B. Andrei Bernevig, and Ali Yazdani

PNAS July 14, 2020 117 (28) 16214-16218; first published June 29, 2020. https://doi.org/10.1073/pnas.2005071117
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Quantum parity Hall effect in Bernal-stacked trilayer graphene
Petr Stepanov, Yafis Barlas, Shi Che, Kevin Myhro, Greyson Voigt, Ziqi Pi, Kenji Watanabe, Takashi Taniguchi, Dmitry Smirnov, Fan Zhang, Roger K. Lake, Allan H. MacDonald, and Chun Ning Lau

PNAS May 21, 2019 116 (21) 10286-10290; first published May 3, 2019. https://doi.org/10.1073/pnas.1820835116
Open Access
Local optical control of ferromagnetism and chemical potential in a topological insulator
Andrew L. Yeats, Peter J. Mintun, Yu Pan, Anthony Richardella, Bob B. Buckley, Nitin Samarth, and David D. Awschalom

PNAS September 26, 2017 114 (39) 10379-10383; first published September 12, 2017. https://doi.org/10.1073/pnas.1713458114
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Electron–hole asymmetry of the topological surface states in strained HgTe
Andreas Jost, Michel Bendias, Jan Böttcher, Ewelina Hankiewicz, Christoph Brüne, Hartmut Buhmann, Laurens W. Molenkamp, Jan C. Maan, Uli Zeitler, Nigel Hussey, and Steffen Wiedmann

PNAS March 28, 2017 114 (13) 3381-3386; first published March 9, 2017. https://doi.org/10.1073/pnas.1611663114
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Spectroscopic evidence for bulk-band inversion and three-dimensional massive Dirac fermions in ZrTe₅
Zhi-Guo Chen, R. Y. Chen, R. D. Zhong, John Schneeloch, C. Zhang, Y. Huang, Fanming Qu, Rui Yu, Q. Li, G. D. Gu, and N. L. Wang

PNAS January 31, 2017 114 (5) 816-821; first published January 17, 2017. https://doi.org/10.1073/pnas.1613110114
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Are the surface Fermi arcs in Dirac semimetals topologically protected?
Mehdi Kargarian, Mohit Randeria, and Yuan-Ming Lu

PNAS August 2, 2016 113 (31) 8648-8652; first published July 19, 2016. https://doi.org/10.1073/pnas.1524787113

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