Results 41 to 50 of about 4,691 (227)

Light storage and control of photon-photon interactions in a cold Rydberg gas [PDF]

open access: yes, 2013
The effect of strong interatomic interactions on an optical field stored in Rydberg states of a cold atomic gas is investigated. Due to their large dipole moments Rydberg atoms interact very strongly with each other.
MAXWELL, DANIEL,THOMAS
core  

Rabi oscillations and entanglement between two atoms interacting by the Rydberg blockade studied by the Jaynes–Cummings Model

open access: yesPhysics Open
The interaction between atoms and a quantized radiation field is fundamentally important in quantum optics and quantum information science. Due to their unusual properties, Rydberg atoms are promising building blocks for two-qubit gates and atom-light ...
Francisco D. Santillan, Andreas Hanke
doaj   +1 more source

Photochemistry of Aromatic N‐Oxides in Water Probed by Time‐Resolved X‐ray Absorption Spectroscopy

open access: yesChemistry – A European Journal, EarlyView.
Time‐resolved XAS at the nitrogen and oxygen K‐edges is applied to the photorearrangement of two N‐oxides in water. Pyridine N‐oxide rapidly forms the oxaziridine isomer. Pyridazine N‐oxide undergoes ring opening to the diazo compound, without any evidence of intermediates.
Maximilian Paradiz Domínguez   +3 more
wiley   +1 more source

Coherent atom-light interactions in multi-level systems [PDF]

open access: yes, 2009
This thesis presents work on experiments performed using electromagnetically induced transparency (EIT) in Rubidium vapour cells. Starting with a simple three-level Λ-system, extra complexity is introduced by adding an additional control beam. This makes
Bason, Mark George, BASON, MARK,GEORGE
core  

Dissipation induced $W$ state in a Rydberg-atom-cavity system

open access: yes, 2018
A dissipative scheme is proposed to prepare tripartite $W$ state in a Rydberg-atom-cavity system. It is an organic combination of quantum Zeno dynamics, Rydberg antiblockade and atomic spontaneous emission to turn the tripartite $W$ state into the unique
X. X. Yi (14345349)   +3 more
core   +1 more source

Rydberg-type electronic excited state dynamics in small sodium–water clusters

open access: yes, 2023
Equilibrium geometries and thermodynamic potentials of the neutral and ionised species of the Na⋯(H2O)n (n=1,..,8) mixed clusters were computed at MN15/def2-TZVPD level of density functional theory (DFT).
Attila Bende (552794)   +4 more
core   +1 more source

Rydberg Level Shift due to the Electric Field Generated by Rydberg Atom Collision Induced Ionization in Cesium Atomic Ensemble

open access: yesApplied Sciences, 2020
We experimentally studied the Rydberg level shift caused by the electric field, which is generated by Rydberg atom collision induced ionization in a cesium atomic ensemble.
Xin Wang   +3 more
doaj   +1 more source

Energy Landscapes in Chemical Reactions and Transport

open access: yesChemPhysChem, Volume 26, Issue 6, March 15, 2025.
Kinetics/dynamics of chemical reactivity and transport of chemical species in a solid are both determined by the energy landscape in which they take place. Discussing common grounds but also distinct differences may help in advancing the understanding in both fields.
Karl‐Michael Weitzel
wiley   +1 more source

A coherent quantum annealer with Rydberg atoms [PDF]

open access: yesNature Communications, 2017
AbstractThere is a significant ongoing effort in realizing quantum annealing with different physical platforms. The challenge is to achieve a fully programmable quantum device featuring coherent adiabatic quantum dynamics. Here we show that combining the well-developed quantum simulation toolbox for Rydberg atoms with the recently proposed Lechner ...
Glaetzle, A. W.   +3 more
openaire   +4 more sources

Rydberg dark states in external fields [PDF]

open access: yes, 2011
We initially discuss the theory of three-level systems using the dressed state formalism. One of the dressed states, containing a ground state and a Rydberg state, does not couple with the probe laser; thus, the medium becomes transparent to the latter ...
TANASITTIKOSOL, MONSIT
core  

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