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Devices, engines and circuits: quantum engineering with cold atoms

Total Cost €


EC-Contrib. €






Project "DECCA" data sheet

The following table provides information about the project.


Organization address
address: BATIMENT CE 3316 STATION 1
postcode: 1015

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 Switzerland [CH]
 Total cost 1˙454˙258 €
 EC max contribution 1˙454˙258 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-STG
 Funding Scheme ERC-STG
 Starting year 2017
 Duration (year-month-day) from 2017-02-01   to  2022-01-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Over the last decade, cold atomic gases have become one of the best controlled quantum system. This novel, synthetic material can be shaped at the microscopic level to mimic a wide range of models, and simulate the universal physics that these models describe. This project pioneers a new approach to quantum simulations, jumping from cold atoms materials into the realm of devices: systems carved out of cold gases, separated by interfaces, connected to each other and allowing for a controlled driving.

At the heart of this approach is the study of transport of atoms at the quantum level. Our devices will allow for the measurement of the universal conductance of quantum critical systems or other many-body states. They will feature interfaces and contacts where new types of localized states emerge, such as the one proposed to explain the long-standing question of the “0.7 anomaly” in quantum point contacts. They will also allow for a new type of engineering, where currents of particles, spin or entropy can be controlled and directed in order to perform operations such as cooling.

This research will be possible thanks to the development of a new apparatus, capable of detecting in a non-destructive way tiny atomic currents, such as the one driven through single mode quantum conductors. It will combine an optical cavity for high efficiency optical detection, and high optical resolution optics allowing for manipulations and patterning at the scale of the wave function of individual particles.


year authors and title journal last update
List of publications.
2019 G. Salerno, H. M. Price, M. Lebrat, S. Häusler, T. Esslinger, L. Corman, J.-P. Brantut, N. Goldman
Quantized Hall Conductance of a Single Atomic Wire: A Proposal Based on Synthetic Dimensions
published pages: , ISSN: 2160-3308, DOI: 10.1103/PhysRevX.9.041001
Physical Review X 9/4 2020-02-20
2017 Sebastian Krinner, Tilman Esslinger, Jean-Philippe Brantut
Two-terminal transport measurements with cold atoms
published pages: 343003, ISSN: 0953-8984, DOI: 10.1088/1361-648x/aa74a1
Journal of Physics: Condensed Matter 29/34 2019-09-26
2018 Dominik Husmann, Martin Lebrat, Samuel Häusler, Jean-Philippe Brantut, Laura Corman, Tilman Esslinger
Breakdown of the Wiedemann–Franz law in a unitary Fermi gas
published pages: 8563-8568, ISSN: 0027-8424, DOI: 10.1073/pnas.1803336115
Proceedings of the National Academy of Sciences 115/34 2019-06-13
2018 Martin Lebrat, Pjotrs Grišins, Dominik Husmann, Samuel Häusler, Laura Corman, Thierry Giamarchi, Jean-Philippe Brantut, Tilman Esslinger
Band and Correlated Insulators of Cold Fermions in a Mesoscopic Lattice
published pages: , ISSN: 2160-3308, DOI: 10.1103/PhysRevX.8.011053
Physical Review X 8/1 2019-06-13
2017 Samuel Häusler, Shuta Nakajima, Martin Lebrat, Dominik Husmann, Sebastian Krinner, Tilman Esslinger, Jean-Philippe Brantut
Scanning Gate Microscope for Cold Atomic Gases
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.119.030403
Physical Review Letters 119/3 2019-06-13
2019 Kevin Roux, Barbara Cilenti, Victor Helson, Hideki Konishi, Jean-Philippe Brantut
Compact bulk-machined electromagnets for quantum gas experiments
published pages: , ISSN: 2542-4653, DOI: 10.21468/SciPostPhys.6.4.048
SciPost Physics 6/4 2019-08-29
2018 Shun Uchino, Masahito Ueda, Jean-Philippe Brantut
Universal noise in continuous transport measurements of interacting fermions
published pages: , ISSN: 2469-9926, DOI: 10.1103/physreva.98.063619
Physical Review A 98/6 2019-08-29

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