Few-body Bose gases in low dimensions—A laboratory for quantum dynamics
Cold atomic gases have become a paradigmatic system for exploring fundamental physics,
which at the same time allows for applications in quantum technologies. The accelerating …
which at the same time allows for applications in quantum technologies. The accelerating …
One-dimensional mixtures of several ultracold atoms: a review
Recent theoretical and experimental progress on studying one-dimensional systems of
bosonic, fermionic, and Bose–Fermi mixtures of a few ultracold atoms confined in traps is …
bosonic, fermionic, and Bose–Fermi mixtures of a few ultracold atoms confined in traps is …
[كتاب][B] Multidimensional quantum dynamics: MCTDH theory and applications
The first book dedicated to this new and powerful computational method begins with a
comprehensive description of MCTDH and its theoretical background. There then follows a …
comprehensive description of MCTDH and its theoretical background. There then follows a …
Multiconfigurational time-dependent Hartree method for bosons: Many-body dynamics of bosonic systems
The evolution of Bose-Einstein condensates is amply described by the time-dependent
Gross-Pitaevskii mean-field theory which assumes all bosons to reside in a single time …
Gross-Pitaevskii mean-field theory which assumes all bosons to reside in a single time …
Unified view on multiconfigurational time propagation for systems consisting of identical particles
We show that the successful and formally exact multiconfigurational time-dependent Hartree
method (MCTDH) takes on a unified and compact form when specified for systems of …
method (MCTDH) takes on a unified and compact form when specified for systems of …
Multiconfigurational time-dependent Hartree method for bosons with internal degrees of freedom: Theory and composite fragmentation of multicomponent Bose …
In this paper, the multiconfigurational time-dependent Hartree for bosons (MCTDHB) method
is derived for the case of N identical bosons with internal degrees of freedom. The theory for …
is derived for the case of N identical bosons with internal degrees of freedom. The theory for …
Reduced density matrices and coherence of trapped interacting bosons
The first-and second-order correlation functions of trapped interacting Bose-Einstein
condensates are investigated numerically on a many-body level from first principles …
condensates are investigated numerically on a many-body level from first principles …
Few-Boson dynamics in double wells: from single-atom to correlated pair tunneling
We investigate few-boson tunneling in a one-dimensional double well, covering the full
crossover from weak interactions to the fermionization limit of strong correlations. Based on …
crossover from weak interactions to the fermionization limit of strong correlations. Based on …
Ground-state properties of few dipolar bosons in a quasi-one-dimensional harmonic trap
We study the ground state of few bosons with repulsive dipole-dipole interaction in a quasi-
one-dimensional harmonic trap by means of the exact diagonalization method. Up to three …
one-dimensional harmonic trap by means of the exact diagonalization method. Up to three …
Exact solution of strongly interacting quasi-one-dimensional spinor Bose gases
We present an exact analytical solution of the fundamental system of quasi-one-dimensional
spin-1 bosons with infinite δ repulsion. The eigenfunctions are constructed from the wave …
spin-1 bosons with infinite δ repulsion. The eigenfunctions are constructed from the wave …