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13 papers · 2 filters
Many-body theory for systems with particle conversion: Extending the multiconfigurational time-dependent Hartree method
Ofir E. Alon, Alexej I. Streltsov, Lorenz S. Cederbaum
We derive a multiconfigurational time-dependent Hartree theory for systems with particle conversion. In such systems particles of one kind can convert to another kind and the total…
Matter-Wave Solitons in the Presence of Collisional Inhomogeneities: Perturbation theory and the impact of derivative terms
S. Middelkamp, P. G. Kevrekidis, D. J. Frantzeskakis +1
We study the dynamics of bright and dark matter-wave solitons in the presence of a spatially varying nonlinearity. When the spatial variation does not involve zero crossings, a tra…
Scalar Casimir-Polder forces for uniaxial corrugations
Babette Döbrich, Maarten DeKieviet, Holger Gies
We investigate the Dirichlet-scalar equivalent of Casimir-Polder forces between an atom and a surface with arbitrary uniaxial corrugations. The complexity of the problem can be red…
Scaling law and stability for a noisy quantum system
Mark Sadgrove, Sandro Wimberger, Scott Parkins +1
We show that a scaling law exists for the near resonant dynamics of cold kicked atoms in the presence of a randomly fluctuating pulse amplitude. Analysis of a quasi-classical phase…
Multistage Entanglement Swapping
Alexander M. Goebel, Claudia Wagenknecht, Qiang Zhang +4
We report an experimental demonstration of entanglement swapping over two quantum stages. By successful realizations of two cascaded photonic entanglement swapping processes, entan…
Quantum Memory with Optically Trapped Atoms
Chih-Sung Chuu, Thorsten Strassel, Bo Zhao +6
We report the experimental demonstration of a quantum memory for collective atomic states in a far-detuned optical dipole trap. Generation of the collective atomic state is heralde…