We consider a bosonic Josephson junction made of N ultracold and dilute atoms confined
by a quasi-one-dimensional double-well potential within the two-site Bose-Hubbard model …

We investigate scattering bright solitons off a potential using both analytical and numerical
methods. Our paper focuses on low kinetic energies for which differences between the mean …

The unstable mean-field dynamics of a Bose gas is shown to break down at time τ h=(c 1/γ)
ln N, where γ is the Lyapunov exponent of the mean-field theory, N is the number of bosons …

We study the interpolation from occupation number Fock states to Schrödinger cat states on
systems modeled by a two-mode Bose-Hubbard Hamiltonian, like, for instance, bosons in a …

For the dynamics of Bose-Einstein condensates (BECs), differences between mean-field
(Gross-Pitaevskii) physics and N-particle quantum physics often disappear if the BEC …

We investigate numerically conditions for order and chaos in the dynamics of an interacting
Bose-Einstein condensate (BEC) confined by an external trap cut off by a hard-wall box …

We consider a two-mode atomic Josephson junction realized with dilute dipolar bosons
confined by a double-well. We employ the two-site extended Bose-Hubbard Hamiltonian …

We study the regular and chaotic spatial distribution of Bose-Einstein condensed atoms with
a space-dependent nonlinear interaction in a ratchet potential. There exists in the system a …

The spatial structure of a collisionally inhomogeneous Bose-Einstein condensate (BEC) in
an optical lattice is studied. A spatially dependent current with an explicit analytic expression …

A space-dependent atomic superfluid current with an explicit analytical expression and its
role in Bose–Einstein condensates are studied. The factors determining the intensity and …