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Unconventional free charge in the correlated semimetal Nd2Ir2O7

Wang, K. ; Xu, Bing ; Rischau, C. W. ; Bachar, N. ; Michon, B. ; Teyssier, J. ; Qiu, Y. ; Ohtsuki, T. ; Cheng, Bing ; Armitage, N. P. ; Nakatsuji, S. ; van der Marel, D.

In: Nature Physics, 2020, p. -

Nd2Ir2O7 is a correlated semimetal with the pyrochlore structure, in which competing spin–orbit coupling and electron–electron interactions are believed to induce a time- reversal symmetry-broken Weyl semimetal phase characterized by pairs of topologically protected Dirac points at the Fermi energy1,2,3,4. However, the emergent properties in these materials are far from clear, and exotic...