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Ruoxi Wang (Department of Physics & Astronomy, University of British Columbia)23/11/2021, 17:30Poster
Resonant mm-wave fields in the range from 50 to 100 GHz drive f ⟶ g transitions in a state-selected nf(2) Rydberg gas of NO. This transformation produces a clear signature in the selected field ionization (SFI) spectrum and dramatically increases the early time intensity of high-Rydberg resonances in the SFI-detected high-Rydberg spectrum. We associate these enhanced features with a decrease...
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Kevin Marroquin23/11/2021, 17:30Poster
Spontaneous avalanche to plasma splits the core of an ellipsoidal Rydberg gas of nitric oxide. Ambipolar expansion first quenches the electron temperature of this core plasma. Then, long-range, resonant charge transfer from ballistic ions to frozen Rydberg molecules in the wings of the ellipsoid quenches the centre-of-mass ion/Rydberg molecule velocity distribution. This sequence of steps...
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Dr Panagiotis Giannakeas (Max Planck Institute for the Physics of Complex Systems )23/11/2021, 17:30Poster
We predict the existence of a universal class of ultralong-range Rydberg molecular states whose vibrational spectra form trimmed Rydberg series. A dressed ion-pair model captures the physical origin of these exotic molecules, accurately predicts their properties, and reveals features of ultralong-range Rydberg molecules and heavy Rydberg states with a surprisingly small Rydberg constant. The...
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Sidharth Rammohan23/11/2021, 17:30Poster
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9. Ionization energy of the metastable 2 $^1$S$_0$ state of $^4$He from Rydberg-series extrapolationMrs Gloria Clausen (ETH Zürich)23/11/2021, 17:30Poster
In a recent breakthrough in first-principles calculations of two-electron systems, Patkóš, Yerokhin and Pachucki [PRA 103, 042809 (2021)] have performed the first complete calculation of the Lamb shift of the helium $2\,^3\mathrm{S}_1$ and $2\,^3\mathrm{P}_J$ triplet states up to the term in $\alpha^7 m$. Whereas their theoretical result of the frequency of the $2\,^3\mathrm{P}\leftarrow...
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Katharina Höveler (ETH Zurich)23/11/2021, 17:30Poster
See attached pdf
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Sabrina Patsch (Freie Universität Berlin)23/11/2021, 17:30Poster
Förster resonance energy transfer (FRET) refers to non-radiative exchange of energy between two particles, typically described in terms of resonant dipole-dipole interaction. When the separation between the particles becomes comparable to their size, however, the dipole approximation breaks down. This is expected for Rydberg atoms which possess large dipole moments and are thus ideal for the...
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Ritesh Pant23/11/2021, 17:30Poster
Assemblies of highly excited Rydberg atoms in an ultracold gas can be set into motion by a combination of van-der-Waals and resonant dipole-dipole interactions [1]. Thereby, the collective electronic Rydberg state might change due to non-adiabatic transitions, in particular if the configu- ration encounters a conical interaction [2]. For the experimentally most accessible scenario, in which...
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Prof. Alexey Baklanov (Institute of Chemical Kinetics and Combustion)23/11/2021, 17:30Poster
The attention to the chemical compounds of noble gases Ng is dictated by the fundamental interest in the nature of the bonding of these inert atoms. Moreover, the bonding motifs which make the neutral compounds of noble gases stable can provide stability of the variety of the new currently unexpected substances of other elements as well. The chemical inertness increases for lighter Ng atoms....
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Carla Kreis23/11/2021, 17:30Poster
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Fernanda B. V. Martins (ETH Zurich)23/11/2021, 17:30Poster
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Dr Alex Guttridge (Durham University)23/11/2021, 17:30Poster
The rich internal structure and intrinsic dipolar interactions possessed by polar molecules makes them a promising system for exploring quantum chemistry, quantum computation and quantum simulation. However, to fully realise their potential in these areas, single-site control and detection of molecules is desirable. Such control is natively realised using optical tweezer arrays to confine the...
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