Results 21 to 30 of about 951 (142)

Photoassociation of 40Ca at high laser intensities [PDF]

open access: yes, 2020
In this thesis I present the results of photoassociation measurements in ensembles of atomic calcium over an intensity range of below 1 W/cm2 up to 600 W/cm2. The temperature of the atoms was reduced to 1 μK by laser and evaporative cooling. Afterwards
Dahlke, Veit
core   +1 more source

Ultracold molecule assembly with photonic crystals

open access: yesNew Journal of Physics, 2017
Photoassociation (PA) is a powerful technique to synthesize molecules directly and continuously from cold and ultracold atoms into deeply bound molecular states.
Jesús Pérez-Ríos   +2 more
doaj   +1 more source

Microscopic electronic structure tomography of Rydberg macrodimers

open access: yesPhysical Review Research, 2021
Precise control and study of molecules is challenging due to the variety of internal degrees of freedom and local coordinates that are typically not controlled in an experiment.
Simon Hollerith   +7 more
doaj   +1 more source

Deterministic Preparation of Individual Rubidium-85 Dimers via Photoassociation [PDF]

open access: yes, 2020
In this thesis, we present experimental methods and results for direct measurements of the photoassociation of two individual ultra-cold rubidium-85 atoms, each prepared in the |F = 2,m_F = −2⟩ ground state.
Hobbs, Rhys
core  

Cavity-controlled formation of ultracold molecules

open access: yesNew Journal of Physics, 2018
Ultracold ground-state molecules can be formed from ultracold atoms via photoassociation followed by a spontaneous emission process. Typically, the molecular products are distributed over a range of final states. Here, we propose to use an optical cavity
Tobias Kampschulte   +1 more
doaj   +1 more source

Observation of spin-orbit-dependent electron scattering using long-range Rydberg molecules

open access: yesPhysical Review Research, 2020
We present experimental evidence for spin-orbit interaction of an electron as it scatters from a neutral atom. The scattering process takes place within a Rb_{2} ultralong-range Rydberg molecule, consisting of a Rydberg atomic core, a Rydberg electron ...
Markus Deiß   +8 more
doaj   +1 more source

Photoassociation of ultracold metastable helium [PDF]

open access: yes, 2010
A theoretical analysis of photoassociation in ultracold metastable helium has been undertaken for the 2(^3)S1 + 2(^3)S1 to 2(^3)S1 + 2(^3)P transition.
Cocks, Daniel Graeme
core   +1 more source

Enhancement of ultracold molecule formation by local control in the nanosecond regime

open access: yesNew Journal of Physics, 2015
We describe quantum simulations of ultracold ^87 Rb _2 molecule formation using photoassociation (PA) with nanosecond-time-scale pulses of frequency chirped light.
J L Carini   +3 more
doaj   +1 more source

Photoassociation of ultracold NaLi

open access: yes, 2018
We demonstrate the first observation of triplet excited states in the NaLi molecule using photoassociation.
Pascal M. Notz   +15 more
core   +1 more source

Exotic Orbits in 2D Nonlinear Photoassociation

open access: yesAtoms
We study exotic orbits in the photoassociation process by considering both the vibrational and rotational motions in a classical model. In the presence of rotational motion, the exotic orbits possess regular bound segments even when the total energy ...
Xuechun Li   +9 more
doaj   +1 more source

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