127 citations · 850 across the 28 of their papers we have counts for
4 papers · 1 filter
Quantum phases of strongly-interacting bosons on a two-leg Haldane ladder
S. Greschner, F. Heidrich-Meisner
We study the ground-state physics of a single-component Haldane model on a hexagonal two-leg ladder geometry with a particular focus on strongly interacting bosonic particles. We c…
Anomalous pairing of bosons: Effect of multi body interactions in optical lattice
Manpreet Singh, Sebastian Greschner, Tapan Mishra
An interesting first order type phase transition between Mott lobes has been reported in Phys. Rev. Lett. 109, 135302 (2012) for a two-dimensional Bose-Hubbard model in the presenc…
Hidden order and symmetry protected topological states in quantum link ladders
Lorenzo Cardarelli, Sebastian Greschner, Luis Santos
We show that whereas spin-1/2 one-dimensional U(1) quantum-link models (QLMs) are topologically trivial, when implemented in ladder-like lattices these models may present an intrig…
Vortex-hole duality: a unified picture of weak and strong-coupling regimes of bosonic ladders with flux
S. Greschner, T. Vekua
Two-leg bosonic ladders with flux harbor a remarkable vortex-hole duality between the weak-coupling vortex lattice superfluids and strong-coupling charge-density-wave crystals. The…