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Observation of multiple time crystals in a driven-dissipative system with Rydberg gas. [PDF]
Nat CommunJiao Y +7 more
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Sensing interactions in atomic quantum systems
2023Hybrid ion-atom systems combine the well-controllable platforms of trapped ions and ultracold quantum gases and link them together by the intermediate-range ion-atom interaction. These quantum systems offer opportunities for buffer gas cooling, quantum simulation of many-body systems, as well as state-to-state quantum chemistry [1].
Verwaal, L. +3 more
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Quantum Entanglement via Optical Control of Atom-Atom Interactions
Physical Review Letters, 2000Two-photon optical transitions combined with long-range dipole-dipole interactions can be used for the coherent manipulation of multiatom collective states. We show that it is possible to induce optical resonances accompanied by the generation of entangled superpositions of such atomic states.
, Lukin, , Hemmer
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Laser-atom interaction simulator derived from quantum electrodynamics
Physical Review A, 2022A laser-atom interaction simulator derived from quantum electrodynamics (LASED) is presented, which has been developed in the python programming language. LASED allows a user to calculate the time evolution of a laser-excited atomic system. The model allows for any laser polarization, a Gaussian laser beam profile, a rotation of the reference frame ...
Manish Patel +2 more
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Electron quantum dynamics in atom-ion interaction
The Journal of Chemical Physics, 2016Electron transfer (ET) process and its dependence on the system parameters are investigated by solving two-dimensional time-dependent Schrödinger equation numerically using split operator technique. Evolution of the electron wavepacket occurs from the one-electron species hydrogen atom to another bare nucleus of charge Z > 1.
H, Sabzyan, M J, Jenabi
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Interacting atoms under strong quantum confinement
Physical Review A, 2000We calculate the energy-level shifts of a tightly confined trapped alkali-metal atom in the presence of a second trapped atom. A complete microscopic description of the interaction energy between the two atoms is used. This allows us to study tightly confined atoms near a Feshbach resonance and to evaluate the usefulness of the regularized $\ensuremath{
E. Tiesinga +3 more
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Using Pseudopotentials within the Interacting Quantum Atoms Approach
The Journal of Physical Chemistry A, 2009A general strategy to extend the interacting quantum atoms (IQA) approach to pseudopotential or effective core potential electronic structure calculations is presented. With the protocol proposed here, the scope of IQA thinking opens to chemical bonding problems in heavy-atom systems, as well as to larger molecules than those presently allowed by ...
Davide, Tiana +3 more
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