Author

E. Dizer

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Preprint Oct 2026

Static dipolar impurity in a Fermi gas

We consider a static dipolar impurity immersed in a Fermi gas and show how dipolar interactions shape both the few-body scattering properties and the resulting polaron physics. Using Fumi's theorem, we connect the anisotropic phase shifts directly to the ground-state energy, and compute the exact impurity spectrum via...

E. Dizer, Xin Chen, Richard Schmidt et al. · 0 citations

Preprint Sep 2026

Anderson orthogonality scaling in the Rabi-driven heavy Fermi polaron

The Anderson orthogonality catastrophe (AOC) is a paradigmatic many-body phenomenon in which a local perturbation induces a macroscopic response of a Fermi sea. We probe signatures of the AOC by coherently driving heavy Fermi polarons in an ultracold $^6$Li-$^{133}$Cs mixture. We observe a power-law dependence of the m...

M. Rautenberg, Tobias Krom, E. Dizer et al. · 0 citations