9 papers
Quantum Phases and Structural Transitions of Bosons in Bubble-Shaped Confinements
Fabio Cinti, Gabriele Costa, Giuseppe Pellicane +2
We investigate the structural properties and superfluid behavior of soft-core bosons confined in a spherical bubble trap at large particle numbers (). Using Path Integr…
Static-Field Shielding of Bosonic Molecules: Evaporation to Degeneracy and Self-Bound Droplets
Jongheum Jung, Laura Futamura, Matteo Ciardi +5
The strong, tunable dipolar interactions of ultracold molecules make them a powerful platform for quantum many-body physics, but reaching degeneracy by evaporative cooling requires…
Equilibrium and non-equilibrium phases of microwave-dressed polar molecules beyond rotational symmetries
Matteo Ciardi, Andreas Schindewolf, Tim Langen +1
Recent experiments on molecular droplets have opened a new frontier of self-organization in strongly dipolar quantum matter. Microwave-dressing of polar molecules permits to tune b…
Extended Bose-Hubbard Model on Small Grids: Exact Diagonalization and Monte Carlo Studies
Gabriele Costa, Matteo Ciardi, Fabio Cinti +1
The superfluid-insulator transition in systems of lattice bosons is usually analyzed in the framework of the Bose-Hubbard model, and has been extensively studied by theory and simu…
Bilayer crystals in a polar-molecules system
Vinicius Zampronio, Matteo Ciardi, Fabio Cinti
We investigate the finite-temperature phase diagram of polar molecules confined in a quasi-two-dimensional geometry by a harmonic potential along the polarization axis. We employ Q…
Layering and superfluidity of soft-core bosons in shallow spherical traps
Fabio Cinti, Matteo Ciardi, Santi Prestipino +1
Fundamental theories and models of many-body physics can be probed in experiments on ultracold atoms held in place by electromagnetic fields. In particular, of considerable interes…
Strongly dipolar molecular Bose-Einstein condensates: From few- to many-body physics
Andreas Schindewolf, Jens Hertkorn, Ian Stevenson +8
Recent advances in molecular cooling have enabled the realization of strongly dipolar Bose--Einstein condensates (BECs) of molecules, and BECs of many different molecular species m…
Self-bound monolayer crystals of ultracold polar molecules
Matteo Ciardi, Kasper Rønning Pedersen, Tim Langen +1
We investigate the physics of ultracold dipolar molecules using path-integral quantum Monte Carlo simulations, and construct the complete phase diagram extending from weak to stron…
Transitional supersolidity in ion doped helium droplets
Juan Carlos Acosta Matos, Panos Giannakeas, Matteo Ciardi +2
He nanodroplets doped with an alkali ion feature a snowball of crystallized layers surrounded by superfluid helium. For large droplets, we predict that a transitional supersoli…