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cond-mat.quant-gas2022★ 5 cited
Beyond universality in repulsive SU(N) Fermi gases
Jordi Pera, Joaquim Casulleras, Jordi Boronat
Itinerant ferromagnetism in dilute Fermi gases is predicted to emerge at values of the gas parameter where second-order perturbation theory is not accurate enough to properly descr…
cond-mat.quant-gas2022★ 11 cited
Itinerant ferromagnetism in dilute SU(N) Fermi gases
Jordi Pera, Joaquim Casulleras, Jordi Boronat
We present exact analytic results for the energy of a SU(N) repulsive Fermi gas as a function of the spin-channel occupation at second order in the gas parameter. This is an extens…