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Cavity Cooling of Nanosilicon for Quantum Interference Experiments

Total Cost €


EC-Contrib. €






Project "NANO-Q" data sheet

The following table provides information about the project.


Organization address
city: WIEN
postcode: 1010

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
 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 2015-05-16   to  2017-05-15


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAT WIEN AT (WIEN) coordinator 166˙156.00


 Project objective

The ability to control and exploit the virtues of quantum physics is expected to revolutionize many areas of science and technology, from quantum information processing to quantum enhanced metrology. However, it is still a great challenge to observe quantum effects, such as superposition, in truly macroscopic objects. Matter-wave interferometry with very massive particles is a promising route towards testing the notions of macroscopicity and the still speculative limits of linearity in quantum physics. An intriguing goal in the community is to control the motion of mesoscopic nanoparticles, from 10^7 to 10^10 a.m.u., to the point where quantum interference can be observed. In this mass range collapse models and the role of gravity in quantum theory can be explored. It is a great challenge to control the motion of objects larger and more complicated than atoms and simple molecules. Recent proposals and experiments have begun the task, using optical cavities to cool the motion of nanoparticles, aiming to reach the level at which quantum effects are evident. The feasibility of this goal has been demonstrated experimentally by the Host Group, the Experienced Researcher and others, driven and supported by theoretical work. The NANO-Q project aims to create a source of free cavity cooled nanoparticles suitable for mesoscopic matter wave interferometry. It would be a great scientific breakthrough to observe quantum effects with such massive objects. Cooled nanoparticles will also be of great technological importance, as quantum transducers and precision force sensors .


year authors and title journal last update
List of publications.
2016 J. Millen, S. Kuhn, F. Patolsky, A. Kosloff, M. Arndt
Cooling and manipulation of nanoparticles in high vacuum
published pages: 99220C, ISSN: , DOI: 10.1117/12.2238753
Optical Trapping and Optical Micromanipulation XIII 2019-07-23
2016 James Millen, Andr? Xuereb
The rise of the quantum machines
published pages: 23-26, ISSN: 0953-8585, DOI: 10.1088/2058-7058/29/1/30
Physics World 29/1 2019-07-23
2016 Ying Lia Li, James Millen, P. F. Barker
Simultaneous cooling of coupled mechanical oscillators using whispering gallery mode resonances
published pages: 1392, ISSN: 1094-4087, DOI: 10.1364/OE.24.001392
Optics Express 24/2 2019-07-23
2017 Stefan Kuhn, Alon Kosloff, Benjamin A. Stickler, Fernando Patolsky, Klaus Hornberger, Markus Arndt, James Millen
Full rotational control of levitated silicon nanorods
published pages: 356, ISSN: 2334-2536, DOI: 10.1364/OPTICA.4.000356
Optica 4/3 2019-07-23
2016 P.?Z.?G. Fonseca, E.?B. Aranas, J. Millen, T.?S. Monteiro, P.?F. Barker
Nonlinear Dynamics and Strong Cavity Cooling of Levitated Nanoparticles
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.117.173602
Physical Review Letters 117/17 2019-07-23
2015 J. Millen
A living thing in two places at once? This quantum quandary test is limited
published pages: , ISSN: , DOI:
Guardian Online 2019-07-23
2016 James Millen, Andr? Xuereb
Perspective on quantum thermodynamics
published pages: 11002, ISSN: 1367-2630, DOI: 10.1088/1367-2630/18/1/011002
New Journal of Physics 18/1 2019-07-23

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