Anderson Transition in a Quantum Gas Signatures and Characterization

Información del proyecto

AnTraQuGa

Identificador del acuerdo de subvención: 655933

DOI

10.3030/655933

Proyecto finalizado el 29 Julio 2017

Fecha de la firma de la CE 5 Noviembre 2015

Fecha de inicio 1 Enero 2016

Fecha de finalización 31 Diciembre 2017

Financiado con arreglo a

• EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions

Coste total

€ 185 076,00

Aportación de la UE

€ 185 076,00

Coordinado por

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS
France

Objetivo

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.

Ámbito científico (EuroSciVoc)

• ciencias naturales › ciencias físicas › física de la materia condensada › gases cuánticos
• ciencias naturales › ciencias físicas › óptica › física del láser

Palabras clave

• Ultracold quantum gases
• disorder
• quantum simulator
• Anderson localization

Programa(s)

• H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions PROGRAMA PRINCIPAL
  
• H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
  

Tema(s)

• MSCA-IF-2014-EF - Marie Skłodowska-Curie Individual Fellowships (IF-EF)
  

Régimen de financiación

MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

Convocatoria de propuestas

H2020-MSCA-IF-2014

Coordinador

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

• Aportación neta de la UEn: € 185 076,00
• Dirección: RUE MICHEL ANGE 3 ; 75794 PARIS ; Francia
• Tipo de actividad: Research Organisations
• Coste total: € 185 076,00