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AnTraQuGa TERMINATED

Anderson Transition in a Quantum Gas Signatures and Characterization

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

AnTraQuGa project word cloud

Explore the words cloud of the AnTraQuGa project. It provides you a very rough idea of what is the project "AnTraQuGa" about.

dependent secondment peak gases potentials expertise momentum localized complete investigation regime transport cold selective predicted clean reported environment events underlying distributions scattering atomic interactions technique bed host localization transition standard ultra physics phenomena direct diffusive ubiquitous fine serve measuring mechanism original goals multiple lacking wave anderson evidences energy heart atoms critical position rely signatures regarding techniques phenomenon media optical disordered synergy theories precise halt interference quantum applicants first effect coherent tool disorder fundamental anticipated create al exponents organization arising fellowship exploring

Project "AnTraQuGa" data sheet

The following table provides information about the project.

Coordinator	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Organization address address: RUE MICHEL ANGE 3 city: PARIS postcode: 75794 website: www.cnrs.fr 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	France [FR]
Project website	https://www.lcf.institutoptique.fr/Groupes-de-recherche/Optique-atomique/Experiences/Transport-Quantique
Total cost	185˙076 €
EC max contribution	185˙076 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2014
Funding Scheme	MSCA-IF-EF-ST
Starting year	2016
Duration (year-month-day)	from 2016-01-01 to 2017-12-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Organization address address: RUE MICHEL ANGE 3 city: PARIS postcode: 75794 website: www.cnrs.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (PARIS)	coordinator	185˙076.00

Map

Project objective

Anderson localization (AL) – an effect arising from interference of multiple-scattering events and leading to a complete halt of transport in disordered media – is a fundamental phenomenon, ubiquitous in all wave physics.

Ultra-cold quantum gases in disordered optical potentials offer a clean environment to study AL. First evidences of the transition between localized and diffusive states have been recently reported with this systems. However, direct signatures of AL and a precise investigation of this transition are still lacking and would require new approaches, which is at the heart of this proposal. The objectives are:

- Exploring the recently predicted “Coherent Forward Scattering” peak: a new distinct feature of AL, yet so far not observed in any systems. - Studying the critical regime by measuring the position of the transition and the associated critical exponents.

The anticipated results will serve as test bed for the most advanced theories of AL and provide better understanding of its underlying mechanism.

To achieve these goals, we will rely on the expertise of the host in the field of AL of ultra-cold atoms, in particular regarding the analysis of the momentum distributions of atoms. Most importantly, we will develop original approaches, based on techniques using state-selective disorder potentials, and enabling a fine control of the atomic energy distribution around the transition.

The fellowship will enable the applicant to contribute his expertise of state-dependent potentials to the development and the implementation of the selective disorder. This new technique is likely to become a standard tool for the study of transport phenomena of ultra-cold atoms in disorder. A secondment to the partner organization with strong expertise in AL and in control of atomic interactions is also part of the proposal.

Thus, this project will create a synergy of the applicants knowledge and the expertise of the host organization and the partner organization.

Publications

List of publications.
year	authors and title	journal	last update
2017	Valentin V. Volchkov, Michael Pasek, Vincent Denechaud, Musawwadah Mukhtar, Alain Aspect, Dominique Delande, Vincent Josse Measurement of spectral functions of ultracold atoms in disordered potentials published pages: , ISSN: , DOI:		2019-06-13

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