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Many-body dark solitons in one-dimensional hard-core Bose gases
Manuele Tettamanti, Alberto Parola
The existence and stability of solitonic states in one-dimensional repulsive Bose-Einstein condensates is investigated within a fully many-body framework by considering the limit o…
Gutzwiller-projected states for the - Heisenberg model on the kagome lattice: achievements and pitfalls
Yasir Iqbal, Francesco Ferrari, Aishwarya Chauhan +3
We assess the ground-state phase diagram of the - Heisenberg model on the kagome lattice by employing Gutzwiller-projected fermionic wave functions. Within this framework…
Gapless spin liquids in disguise
Francesco Ferrari, Alberto Parola, Federico Becca
We show that gapless spin liquids, which are potential candidates to describe the ground state of frustrated Heisenberg models in two dimensions, become trivial insulators on cylin…