In this review, we discuss the properties of a few impurity atoms immersed in a gas of ultracold fermions—the so-called Fermi polaron problem. On one hand, this many-body …
The problem of an impurity particle moving through a bosonic medium plays a fundamental role in physics. However, the canonical scenario of a mobile impurity immersed in a Bose …
The emergence of quasiparticles in interacting matter represents one of the cornerstones of modern physics. However, in the vicinity of a quantum critical point, the existence of …
The notion of quasi-particles is essential for understanding the behaviour of complex many- body systems. A prototypical example of a quasi-particle is a polaron, formed by an impurity …
M Duda, XY Chen, A Schindewolf, R Bause… - Nature Physics, 2023 - nature.com
The interplay of quantum statistics and interactions in atomic Bose–Fermi mixtures leads to a phase diagram markedly different from pure fermionic or bosonic systems. However …
We employ radio-frequency spectroscopy to investigate a polarized spin mixture of ultracold Li 6 atoms close to a broad Feshbach scattering resonance. Focusing on the regime of …
Recent experimental and theoretical progress has elucidated the tunable crossover, in ultracold Fermi gases, from BCS-type superconductors to BEC-type superfluids. The BCS …
S Giorgini, LP Pitaevskii, S Stringari - Reviews of Modern Physics, 2008 - APS
The physics of quantum degenerate atomic Fermi gases in uniform as well as in harmonically trapped configurations is reviewed from a theoretical perspective. Emphasis is …
Ultracold Fermi gases with tunable interactions provide a test bed for exploring the many- body physics of strongly interacting quantum systems,,,. Over the past decade, experiments …