Environment-induced decay dynamics of anti-ferromagnetic order in Mott-Hubbard systems
Gernot Schaller,
Friedemann Queisser,
Nikodem Szpak
et al.
Abstract:We study the dissipative Fermi-Hubbard model in the limit of weak tunneling and strong repulsive interactions, where each lattice site is tunnel-coupled to a Markovian fermionic bath. For cold baths at intermediate chemical potentials, the Mott insulator property remains stable and we find a fast relaxation of the particle number towards half filling. On longer time scales, we find that the anti-ferromagnetic order of the Mott-Néel ground state on bi-partite lattices decays, even at zero temperature. For zero … Show more
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