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ETAB

Entangled Twin Atom Beams

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

ETAB project word cloud

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

equilibrium inequalities differences generation pairs intrinsic preparing simulation fascinating atom fundamental first started experiments photon predicted medium correlation correlated characterization tab etab mass physics thanks duality property models twin wave waves functions realizing atoms cryptography perform beams computation many phenomena performed entangled bell decoherence depletion linear spontaneous sources analogy nonlinearity realized tools correlations framework particle quantum beam rule host successfully efficiency photons mechanics gravitational untrapped electromagnetic local interactions random pump mature entanglement ing manipulation point optics source notably

Project "ETAB" data sheet

The following table provides information about the project.

Coordinator	TECHNISCHE UNIVERSITAET WIEN Organization address address: KARLSPLATZ 13 city: WIEN postcode: 1040 website: www.tuwien.ac.at 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	Austria [AT]
Project website	http://atomchip.org/rubidium-ii/
Total cost	166˙156 €
EC max contribution	166˙156 € (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	2015
Duration (year-month-day)	from 2015-04-01 to 2017-03-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	TECHNISCHE UNIVERSITAET WIEN TECHNISCHE UNIVERSITAET WIEN Organization address address: KARLSPLATZ 13 city: WIEN postcode: 1040 website: www.tuwien.ac.at contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	AT (WIEN)	coordinator	166˙156.00

Map

Project objective

Many of the fascinating phenomena predicted by quantum mechanics, like non-local correlations and entanglement, were implemented with photons in the framework of quantum optics. It is today a mature field with applications emerging in cryptography, random number generation, and quantum computation. Based on the analogy between matter waves and electromagnetic waves and on particle-wave duality, quantum atom optics started to develop recently, thanks to the development of tools for matter wave manipulation. A crucial point for the success of quantum optics was the availability of twin-photon sources, based on a non-linear medium. Very recently, several approaches towards realizing twin-atom pairs have been investigated (most notably by the applicant and the host institution of this proposal) and successfully realized. The ETAB project will use this new twin atom beam (TAB) source to implement quantum atom optics experiments. Characterization of the resulting strongly correlated states will be performed through measurement of correlation functions. These experiments will go beyond the analogy with quantum optics due to fundamental differences between atoms and photons: mass and intrinsic nonlinearity due to interactions. This second property allows high efficiency twin atom beam generation, with an important pump depletion. This allows us to investigate new physics, including beyond linear response, quantum simulation, and non-equilibrium physics. Furthermore, by preparing the twin beams in an entangled state, we will perform the first test of Bell inequalities with untrapped atoms, which could rule out spontaneous decoherence or gravitational nonlinearity models.

Publications

List of publications.
year	authors and title	journal	last update
2016	S. van Frank, M. Bonneau, J. Schmiedmayer, S. Hild, C. Gross, M. Cheneau, I. Bloch, T. Pichler, A. Negretti, T. Calarco, S. Montangero Optimal control of complex atomic quantum systems published pages: , ISSN: 2045-2322, DOI: 10.1038/srep34187	Scientific Reports 6/1	2019-07-23

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The information about "ETAB" are provided by the European Opendata Portal: CORDIS opendata.