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Dipolar Droplets in Quantum Ferrofluids

Total Cost €


EC-Contrib. €






 DDQF project word cloud

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

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Project "DDQF" data sheet

The following table provides information about the project.


Organization address
address: Welfengarten 1
postcode: 30167

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 Germany [DE]
 Total cost 159˙460 €
 EC max contribution 159˙460 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2017
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2018
 Duration (year-month-day) from 2018-10-01   to  2020-09-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Cooled to a few billionths of a degree above absolute zero atomic Bose-Einstein condensates (BECs) are some of the cleanest, most flexible, many-body quantum systems available. They have been used to answer fundamental questions for a large variety of physical phenomena with remarkable clarity, as well as for the discovery of new physics. The field is currently in the midst of a revolution, thanks largely to the development of such key technologies as the ability to create dilute BECs of rare-earth elements, realising the quantum ferrofluid in which each atom possesses a large magnetic dipole. Last year, in a dramatic turn of events, an experiment was published in Nature revealing the discovery of an unforeseen, novel phase of matter: the dilute, dipolar quantum liquid. This was created by the self-stabilisation of a collapsing quantum ferrofluid and the subsequent formation of a crystal of long-lived dipolar droplets, with around 1000 atoms per droplet. It has been demonstrated that each droplet is stabilised by quantum fluctuations, presenting a rare opportunity to investigate a dilute system in which the role of quantum fluctuations is dominant, a situation typically reserved for dense matter. We propose to study the exciting new physics resulting from dipolar interactions and quantum fluctuations, with a particular emphasis on the three most intriguing and timely topics in the physics of dipolar gases: (1) roton excitations, (2) quantum droplets, and (3) dipolar supersolids. To answer pivotal questions for these topics we will develop challenging novel methods, including finite-temperature theories and simulations beyond the currently employed local-density approximation. In close collaboration with top experimentalists in the field, this project will pave the way for a new generation of experiments on dipolar gases. This proposal is uniquely positioned to tackle some of the most prominent and timely questions of the field.


year authors and title journal last update
List of publications.
2018 Au-Chen Lee, D. Baillie, R. N. Bisset, P. B. Blakie
Excitations of a vortex line in an elongated dipolar condensate
published pages: , ISSN: 2469-9926, DOI: 10.1103/physreva.98.063620
Physical Review A 98/6 2020-04-11

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