Browsing by Subject "Contact interaction"

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Self-bound many-body states of quasi-one-dimensional dipolar Fermi gases: Exploiting Bose-Fermi mappings for generalized contact interactions

Deuretzbacher, Frank; Bruun, G.M.; Pethick, C.J.; Jona-Lasinio, Mattia; Reimann, S.M.; Santos, Luis (College Park, MD : American Physical Society, 2013)

Using a combination of results from exact mappings and from mean-field theory we explore the phase diagram of quasi-one-dimensional systems of identical fermions with attractive dipolar interactions. We demonstrate that ...
Symmetry-broken states in a system of interacting bosons on a two-leg ladder with a uniform Abelian gauge field

Greschner, Sebastian; Piraud, M.; Heidrich-Meisner, F.; McCulloch, I.P.; Schollwöck, U.; Vekua, T. (College Park, MD : American Physical Society, 2016)

We study the quantum phases of bosons with repulsive contact interactions on a two-leg ladder in the presence of a uniform Abelian gauge field. The model realizes many interesting states, including Meissner phases, vortex ...

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