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Raymond Frésard

Raymond Frésard
ENSICAEN
Caen

Titre:
The Hubbard model in the singlet subspace: a symmetry-entangled
mean-field approach.

Résumé :
In this talk I shall present a new approach to the determination of
many-body wave-functions respecting the symmetries of a microscopic
hamiltonian such as the Hubbard model. This approach will first be
introduced, and then tested against numerical simulations where available.
In a second part the spin, charge, and pairing properties entailed in such
symmetry-entangled wave-functions will be discussed.

When
Mon Apr 23, 2012 6:30pm – 7:30pm GMT (no daylight saving)
Where
D4-2019 (map)