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cond-mat.quant-gas2023
Perturbative computation of thermal characteristics of the Stoner phase transition
Oskar Grocholski, Piotr H. Chankowski
We apply the thermal (imaginary time) perturbative expansion to the relevant effective field theory to compute characteristics of the phase transition to the ordered state which ca…
cond-mat.quant-gas2023★ 2 cited
Third order corrections to the ground state energy of the gas of spin fermions with arbitrary densities of different spin projections
Piotr H. Chankowski, Jacek Wojtkiewicz, Szymon Augustynowicz
Recently we have computed the third order corrections to the ground state energy of the arbitrarily polarized diluted gas of spin 1/2 fermions interacting through a spin-independen…