Local Electronic Structure and Dynamics of Muon-Polaron Complexes in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>Fe</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>

We perform detailed muon spin rotation ($\ensuremath{\mu}\mathrm{SR}$) measurements in the classic antiferromagnet ${\mathrm{Fe}}_{2}{\mathrm{O}}_{3}$ and explain spectra by considering dynamic population dissociation of charge-neutral muon-polaron complexes. show that states ${\mathrm{Fe}}_{2}{\mathrm{O}}_{3}$, despite lacking signatures typical muonium centers nonmagnetic materials, have a significant impact on measured $\ensuremath{\mu}\mathrm{SR}$ frequencies relaxation rates. Our identification such polaronic suggests isolated hydrogen (H) impurities form analogous complexes, H interstitials may be source charge carrier density ${\mathrm{Fe}}_{2}{\mathrm{O}}_{3}$.