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cond-mat.quant-gas2026
FFLO transition and quantum criticality in polarized Fermi gases
Francesco Pirolo, Leonardo Pisani, Pierbiagio Pieri
We investigate the zero-temperature transition from the polarized normal phase to the FFLO state in a two-dimensional Fermi gas by means of a diagrammatic t-matrix approach. We fir…
cond-mat.quant-gas2026
Density Modulations of Zero Sound
Leonardo Pisani
We study the density modulation of an interacting Fermi gas caused by the uniform motion of an impurity at zero temperature. For strong enough interaction among Fermi atoms, the mo…
cond-mat.quant-gas2026
Stability of Bose-Fermi mixtures in two dimensions: a lowest-order constrained variational approach
Pietro Cordioli, Leonardo Pisani, Pierbiagio Pieri
We investigate the problem of mechanical stability in two-dimensional Bose-Fermi mixtures at zero temperature, focusing on systems with a tunable Bose-Fermi (BF) interaction and a…