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math-ph2022★ 3 cited
Microscopic Derivation of Ginzburg-Landau Theory and the BCS Critical Temperature Shift in General External Fields
Andreas Deuchert, Christian Hainzl, Marcel Maier
We consider the Bardeen-Cooper-Schrieffer (BCS) free energy functional with weak and macroscopic external electric and magnetic fields and derive the Ginzburg-Landau functional. We…
math-ph2022
Dynamics of mean-field bosons at positive temperature
Marco Caporaletti, Andreas Deuchert, Benjamin Schlein
We study the time evolution of an initially trapped weakly interacting Bose gas at positive temperature, after the trapping potential has been switched off. It has been recently sh…