In quantum interferometry, it is vital to control and utilize nonlinear interactions for the
achievement of high-precision measurements. Due to their long coherence time and high …

This topical review provides an overview of the key theoretical features of Bose–Einstein
condensates (BECs) in cold atomic gases at near zero temperature in the situation where all …

We explore the interplay between tunneling and interatomic interactions in the dynamics of a
bosonic Josephson junction. We tune the scattering length of an atomic K 39 Bose-Einstein …

We present a theoretical and numerical analysis of a quantum system that is capable of
functioning as a heat engine. This system could be realized experimentally using cold …

We consider how to generate and detect Einstein-Podolsky-Rosen (EPR) entanglement and
the steering paradox between groups of atoms in two separated potential wells in a Bose …

We obtain a lower bound on the sum of two orthogonal spin component variances in a
plane. This gives a planar uncertainty relation which holds even when the Heisenberg …

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 theoretically the generation of microscopic atomic NOON states,
corresponding to the coherent| N, 0〉+| 0, N〉 superposition with N∼ 5 particles, via …

We propose a quantum speedup method for adiabatic generation of cat states in bosonic
Josephson junctions via shortcuts to adiabaticity. We apply approximated counter-diabatic …

Recent experiments on macroscopic quantum tunneling reveal a nonexponential decay of
the number of atoms trapped in a quasibound state behind a potential barrier. Through both …