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ADMIRE SIGNED

Atomic-scale Design of Majorana states and their Innovative Real-space Exploration

Total Cost €

0

EC-Contrib. €

0

Partnership

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 ADMIRE project word cloud

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

attempts    scanning    modern    energy    techniques    directions    network    shiba    josephson    artificially    physics    substrates    junctions    atomically    demonstrating    nature    precise    realize    resolved    sts    exchange    topological    probe    nanowires    constructed    tunnelling    quasiparticles    platforms    assembly    rings    vacuum    structure    bound    bands    proximity    spatial    model    contrast    spectroscopy    micro    condensed    ferromagnetic    construct    textures    fault    polarization    ev    elemental    emergence    atom    majorana    statistics    experimental    ends    individual    chains    spin    collinear    superconducting    zero    abelian    semiconducting    resolution    function    coupling    realized    operation    fabricated    dimensional    chain    computation    braiding    impurity    self    composition    single    orbit    hybridization    magnetic    basis    anyons    microscope    length    sophisticated    wave    manipulation    exotic    atomic    quantum    ultra    structures    wires    tolerant    space    stm    precision    experimentally    superconductors    emergent   

Project "ADMIRE" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITAET HAMBURG 

Organization address
address: MITTELWEG 177
city: HAMBURG
postcode: 20148
website: n.a.

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 2˙499˙750 €
 EC max contribution 2˙499˙750 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-ADG
 Funding Scheme ERC-ADG
 Starting year 2019
 Duration (year-month-day) from 2019-01-01   to  2023-12-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAET HAMBURG DE (HAMBURG) coordinator 2˙499˙750.00

Map

 Project objective

Fault-tolerant topological quantum computation has become one of the most exciting research directions in modern condensed matter physics. As a key operation the braiding of non-Abelian anyons has been proposed theoretically. Such exotic quasiparticles can be realized as zero-energy Majorana bound states at the ends of one-dimensional magnetic nanowires in proximity to s-wave superconductors in the presence of high spin-orbit coupling. In contrast to previous attempts to realize such systems experimentally, based on the growth of semiconducting nanowires or the self-assembly of ferromagnetic nanowires on s-wave superconductors, we propose to design Majorana bound states in artificially constructed single-atom chains with non-collinear spin-textures on elemental superconducting substrates using scanning tunnelling microscope (STM)-based atom manipulation techniques. We would like to study at the atomic level the formation of Shiba bands as a result of hybridization of individual Shiba impurity states as well as the emergence of zero-energy Majorana bound states as a function of chain structure, length, and composition. Moreover, we will construct model-type platforms, such as T-junctions, rings, and more complex network structures with atomic-scale precision as a basis for demonstrating the manipulation and braiding of Majorana bound states. We will make use of sophisticated experimental techniques, such as spin-resolved scanning tunnelling spectroscopy (STS) at micro-eV energy resolution, scanning Josephson tunnelling spectroscopy, and multi-probe STS under well-defined ultra-high vacuum conditions, in order to directly probe the nature of the magnetic state of the atomic wires, the spin-polarization of the emergent Majorana states, as well as the spatial nature of the superconducting order parameter in real space. Finally, we will try to directly probe the quantum exchange statistics of non-Abelian anyons in these atomically precise fabricated model-type systems.

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

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