Momentum-space signatures of Berry flux monopoles in the Weyl semimetal TaAs

Momentum-space signatures of Berry flux monopoles in the Weyl semimetal TaAs

Weyl semimetals exhibit Berry flux monopoles in momentum-space, but direct experimental evidence has remained elusive. Here, the authors reveal topologically non-trivial winding of the orbital-angular-momentum at the Weyl nodes and a chirality-dependent spin-angular-momentum of the Weyl bands, as a...

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Main Authors: M. Ünzelmann, H. Bentmann, T. Figgemeier, P. Eck, J. N. Neu, B. Geldiyev, F. Diekmann, S. Rohlf, J. Buck, M. Hoesch, M. Kalläne, K. Rossnagel, R. Thomale, T. Siegrist, G. Sangiovanni, D. Di Sante, F. Reinert
Format: article
Language:EN
Published: Nature Portfolio 2021
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Science
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Online Access:https://doaj.org/article/7a923d644c1945b89ba30c7791300355
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https://doaj.org/article/7a923d644c1945b89ba30c7791300355

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