Fragmentation and correlations in a rotating Bose–Einstein condensate undergoing breakup
The theoretical investigation of rotating Bose–Einstein condensates has mainly focused on
the emergence of quantum vortex states and the condensed properties of such systems. In …
the emergence of quantum vortex states and the condensed properties of such systems. In …
Resonances and dynamical fragmentation in a stirred Bose–Einstein condensate
Superfluids are distinguished from ordinary fluids by the quantized manner in which the
rotation is manifested in them. Precisely, quantized vortices are known to appear in the bulk …
rotation is manifested in them. Precisely, quantized vortices are known to appear in the bulk …
Attractive Bose-Einstein condensates in anharmonic traps: Accurate numerical treatment and the intriguing physics of the variance
The dynamics of attractive bosons trapped in one dimensional anharmonic potentials is
investigated. Particular emphasis is put on the variance of the position and momentum many …
investigated. Particular emphasis is put on the variance of the position and momentum many …
Suppression of collapse for matter waves with orbital angular momentum
We explore the influence of the orbital angular momentum on the collapse of vortex-free
elliptic clouds of Bose–Einstein condensates with a negative scattering length trapped in a …
elliptic clouds of Bose–Einstein condensates with a negative scattering length trapped in a …
Vortex reconnections in anisotropic trapped three-dimensional Bose–Einstein condensates
Quantum vortex reconnections can be considered as a fundamental unit of interaction in
complex turbulent quantum gases. Understanding the dynamics of single vortex …
complex turbulent quantum gases. Understanding the dynamics of single vortex …
Excitation spectra of fragmented condensates by linear response: General theory and application to a condensate in a double-well potential
Linear response of simple (ie, condensed) Bose-Einstein condensates is known to lead to
the Bogoliubov–de Gennes equations. Here, we derive linear response for fragmented Bose …
the Bogoliubov–de Gennes equations. Here, we derive linear response for fragmented Bose …
Dynamics of ultracold bosons in artificial gauge fields—Angular momentum, fragmentation, and the variance of entropy
We consider the dynamics of two-dimensional interacting ultracold bosons triggered by
suddenly switching on an artificial gauge field. The system is initialized in the ground state of …
suddenly switching on an artificial gauge field. The system is initialized in the ground state of …
-wave stabilization of three-dimensional Bose-Fermi solitons
We explore bright soliton solutions of ultracold Bose-Fermi gases, showing that the
presence of p-wave interactions can remove the usual collapse instability and support stable …
presence of p-wave interactions can remove the usual collapse instability and support stable …
Vortex macroscopic superpositions in ultracold bosons in a double-well potential
We study macroscopic superpositions in the orbital rather than the spatial degrees of
freedom, in a three-dimensional, double-well system. We show that the ensuing dynamics of …
freedom, in a three-dimensional, double-well system. We show that the ensuing dynamics of …
Verification of exceptional points in the collapse dynamics of Bose-Einstein condensates
In Bose-Einstein condensates with an attractive contact interaction the stable ground state
and an unstable excited state emerge in a tangent bifurcation at a critical value of the …
and an unstable excited state emerge in a tangent bifurcation at a critical value of the …