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Dipolar Droplets in Quantum Ferrofluids

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.

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

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

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) H2020-MSCA-IF-2017

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Coordinator

GOTTFRIED WILHELM LEIBNIZ UNIVERSITAET HANNOVER
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 159 460,80
Address
WELFENGARTEN 1
30167 Hannover
Germany

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Region
Niedersachsen Hannover Region Hannover
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 159 460,80
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