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OrbiDynaMIQs – Two-Orbital Quantum Many-Body Systems: from Kondo Dynamics to Mediated Interactions (ERC Starting Grant 2021 – 2026)

The transport properties of many strongly correlated materials are governed by interactions between localised spins and mobile fermions. Even a single localised spin impurity can have a profound impact on the motion of numerous fermions in its proximity, giving rise to a notable phenomenon in quantum many-body physics known as the Kondo effect. In the presence of a finite density of localised spins, the Kondo effect interacts with fermion-mediated long-range spin interactions. The OrbiDynaMIQs project, funded by the EU, aims to investigate the fundamental dynamical and spatial properties of the Kondo effect. It will develop an innovative, high-speed quantum simulator based on ultracold fermionic ytterbium atoms, focusing on the spin-orbital dynamics of single and multiple impurities embedded in 1D and 2D itinerant fermion systems.