Origin of bulk quantum oscillations in the bulk Kondo insulating ground state of SmB$_6$
ORAL
Abstract
I will discuss our recent observation of quantum oscillations corresponding to a bulk Fermi surface in the Kondo insulator SmB$_6$, and consider their possible origin. New complementary experimental results will be presented which raise the interesting question of whether the underlying ground state corresponds to a novel Kondo regime in which the spin channel is gapless while the charge channel is gapped.
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