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arxiv: 1807.08128 · v1 · pith:2W6NKQCCnew · submitted 2018-07-21 · ❄️ cond-mat.str-el · cond-mat.stat-mech

Quantum oscillations of the Stoner susceptibility: theory

classification ❄️ cond-mat.str-el cond-mat.stat-mech
keywords magneticquantumsusceptibilitycriticaleffecteffectsfieldoscillatory
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Oscillatory effects in magnetic susceptibility of free electrons in a strong magnetic field is well known phenomenon and is well captured by Lifshitz-Kosevich formula. In this paper we point out similar oscillatory effects in Stoner susceptibility which makes the system to oscillate between paramagnetic phase and ferromagnetic phase alternatively as a function of external magnetic field strength. This effect can happen in a material which is tuned near to its magnetic instability. We suggest an experimental set-up to observe this effect. We also suggest that our result can be exploited to control a quantum critical system around its quantum critical point to study its thermodynamical or transport properties.

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