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We report measurements of the low-temperature specific heat of Al-flux-grownsamples of SmB$_6$ in magnetic fields up to 32 T. Quantum oscillations periodicin $1/H$ are observed between 8 and 32 T at selected angles between [001] and[111]. The observed frequencies and their angular dependence are consistentwith previous magnetic torque measurements of SmB$_6$ but the effective massesinferred from Lifshitz-Kosevich theory are significantly larger and closer tothose inferred from zero-field specific heat. Our results are thus consistentwith a bulk density of states origin for the oscillations.

Observation of Quantum Oscillations in The Low Temperature Specific Heat of SmB$_6$