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6 papers · 2 filters
Towards Laser Control of Open Quantum Systems: Memory Effects
R. Puthumpally-Joseph, O. Atabek, E. Mangaud +2
Laser control of Open Quantum Systems (OQS) is a challenging issue as compared to its counterpart in isolated small size molecules, basically due to very large numbers of degrees o…
Competition between finite-size effects and dipole-dipole interactions in few-atom systems
F. Damanet, J. Martin
In this paper, we study the competition between finite-size effects (i.e. discernibility of particles) and dipole-dipole interactions in few-atom systems coupled to the electromagn…
Cooperative spontaneous emission from indistinguishable atoms in arbitrary motional quantum states
F. Damanet, D. Braun, J. Martin
We investigate superradiance and subradiance of indistinguishable atoms with quantized motional states, starting with an initial total state that factorizes over the internal and e…
Quantum fidelity of symmetric multipartite states
Antoine Neven, Pierre Mathonet, Otfried Gühne +1
For two symmetric quantum states one may be interested in maximizing the overlap under local operations applied to one of them. The question arises whether the maximal overlap can…
Routes towards the experimental observation of the large fluctuations due to chaos assisted tunneling effects with cold atoms
R. Dubertrand, J. Billy, D. Guéry-Odelin +2
In the presence of a complex classical dynamics associated with a mixed phase space, a quantum wave function can tunnel between two stable islands through the chaotic sea, an effec…
Chaotic Bohmian trajectories for stationary states
A. Cesa, J. Martin, W. Struyve
In Bohmian mechanics, the nodes of the wave function play an important role in the generation of chaos. However, so far, most of the attention has been on moving nodes; little is k…