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cond-mat.supr-con2005★ 39 cited
Functional Integral for Ultracold Fermionic Atoms
S. Diehl, C. Wetterich
We develop a functional integral formalism for ultracold gases of fermionic atoms. It describes the BEC - BCS crossover and involves both atom and molecule fields. Beyond mean fiel…
hep-ph2005★ 33 cited
Isotropization far from equilibrium
J. Berges, Sz. Borsanyi, C. Wetterich
Isotropization occurs on time scales much shorter than the thermal equilibration time. This is a crucial ingredient for the understanding of collision experiments of heavy nuclei o…