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CAtMolChip SIGNED

Cold Atmospheric Molecules on a Chip

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EC-Contrib. €

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Project "CAtMolChip" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITY COLLEGE LONDON 

Organization address
address: GOWER STREET
city: LONDON
postcode: WC1E 6BT
website: n.a.

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Project website https://www.ucl.ac.uk/amopp/people/professor-stephen-hogan
 Total cost 1˙985˙553 €
 EC max contribution 1˙985˙553 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-CoG
 Funding Scheme ERC-COG
 Starting year 2016
 Duration (year-month-day) from 2016-06-01   to  2021-05-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITY COLLEGE LONDON UK (LONDON) coordinator 1˙985˙553.00

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 Project objective

Highly excited electronic states of small atmospheric molecules play an important, but as yet little explored, role in the reactivity, and in the evolution of plasmas, including the Aurora Borealis, in the upper atmosphere of the Earth. Processes involving these highly excited states are very challenging to investigate theoretically because of the high density of states close to the ionization limits where they lie. Therefore, experimental input is essential for the identification of the reaction and decay mechanisms, and the quantum states of importance in future studies. However, experimental techniques that can be exploited to provide this input have only become available very recently. These techniques permit gas-phase molecular samples in these highly excited states to be confined in traps for sufficient lengths of time (e.g. 1 ms – 10 ms) for detailed studies to be performed in a controlled laboratory environment. They include resonance-enhanced and non-resonance-enhanced multiphoton excitation of long-lived high angular momentum Rydberg states of small molecules, and chip-based devices for efficiently decelerating, transporting and trapping these samples.

With the support of this Consolidator Grant a new experimental research program will be developed in the Department of Physics and Astronomy at University College London involving laboratory based studies of (1) inelastic scattering processes, and (2) the decay mechanisms of gas-phase atmospheric molecules, including N2, O2 and NO, and their constituent atoms, in high Rydberg states. The planned experiments will be directed toward understanding the effects of static and time-dependent electric and magnetic fields, and blackbody radiation fields on slow dissociation processes that occur in highly excited states of N2, O2 and NO, investigations of collisional energy transfer processes, and studies of the role that these excited electronic states play in the evolution and reactivity of atmospheric plasmas incl

 Publications

year authors and title journal last update
List of publications.
2019 J. E. Palmer, S. D. Hogan
Electric Rydberg-Atom Interferometry
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.122.250404
Physical Review Letters 122/25 2019-08-29
2019 J. E. Palmer, S. D. Hogan
Matter-wave interferometry with atoms in high Rydberg states
published pages: 1-12, ISSN: 0026-8976, DOI: 10.1080/00268976.2019.1607916
Molecular Physics 2019-08-29
2018 S D Hogan, Y Houston, B Wei
Laser photoexcitation of Rydberg states in helium with n > 400
published pages: 145002, ISSN: 0953-4075, DOI: 10.1088/1361-6455/aac8a1
Journal of Physics B: Atomic, Molecular and Optical Physics 51/14 2019-05-09
2019 A. Deller, S. D. Hogan
Confinement of high- and low-field-seeking Rydberg atoms using time-varying inhomogeneous electric fields
published pages: , ISSN: 0031-9007, DOI:
Physical Review Letters 2019-05-09
2019 K. Gawlas, S. D. Hogan
Rydberg-state ionization dynamics and tunnel ionization rates in strong electric fields
published pages: , ISSN: 2469-9926, DOI: 10.1103/physreva.99.013421
Physical Review A 99/1 2019-05-09
2017 V. Zhelyazkova, S. D. Hogan
Electrically tuned Förster resonances in collisions of NH 3 with Rydberg He atoms
published pages: 42710, ISSN: 2469-9926, DOI: 10.1103/PhysRevA.95.042710
Physical Review A 95/4 2019-05-09
2018 A. Deller and S. D. Hogan
Microwave spectroscopy of the 1snp 3PJ fine structure of high Rydberg states in 4He
published pages: 12505, ISSN: 2469-9934, DOI:
Physical Review A 97 2019-05-09
2017 V. Zhelyazkova, S. D. Hogan
Probing resonant energy transfer in collisions of ammonia with Rydberg helium atoms by microwave spectroscopy
published pages: 244302, ISSN: 0021-9606, DOI: 10.1063/1.5011406
The Journal of Chemical Physics 147/24 2019-05-09

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