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28 papers · 2 filters
Optical trapping of ion Coulomb crystals
Julian Schmidt, Alexander Lambrecht, Pascal Weckesser +3
The electronic and motional degrees of freedom of trapped ions can be controlled and coherently coupled on the level of individual quanta. Assembling complex quantum systems ion by…
Mixing-induced quantum non-Markovianity and information flow
Heinz-Peter Breuer, Giulio Amato, Bassano Vacchini
Mixing dynamical maps describing open quantum systems can lead from Markovian to non-Markovian processes. Being surprising and counter-intuitive, this result has been used as argum…
Dynamics of Coherent States in Regular and Chaotic Regimes of the Non-integrable Dicke Model
S. Lerma-Hernández, J. Chávez-Carlos, M. A. Bastarrachea-Magnani +2
The quantum dynamics of initial coherent states is studied in the Dicke model and correlated with the dynamics, regular or chaotic, of their classical limit. Analytical expressions…
Non-additivity of optical and Casimir-Polder potentials
Sebastian Fuchs, Robert Bennett, Roman V. Krems +1
An atom irradiated by an off-resonant laser field near a surface is expected to experience the sum of two fundamental potentials, the optical potential of the laser field and the C…
Open system model for quantum dynamical maps with classical noise and corresponding master equations
Chahan M. Kropf, Vyacheslav N. Shatokhin, Andreas Buchleitner
We show how random unitary dynamics arise from the coupling of an open quantum system to a static environment. Subsequently, we derive a master equation for the reduced system rand…
Casimir effect for perfect electromagnetic conductors (PEMCs): A sum rule for attractive/repulsive forces
Stefan Rode, Robert Bennett, Stefan Yoshi Buhmann
We discuss the Casimir effect for boundary conditions involving perfect electromagnetic conductors (PEMCs). Based on the corresponding reciprocal Green's tensor we construct the Gr…