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HITSUPERJU SIGNED

Higher-dimensional topological solids realized with multiterminal superconducting junctions

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

HITSUPERJU project word cloud

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

fundamentally artificial electronic dimensional materials direction conquer discrete structuring fact stability metrology resistance directions effort capitalize chern devoted quantized revealed structured realizing framework energy n1 wherever clear leads invariants topologically consideration physics give dimensions possibility superconducting trans charge solids spectrum tuned device generally exotic interfaces too supplemented conductance deep conjugated horizon condensed fundamental hall material guarantees coordinate weyl quantities junctions space edges dynamics breakthrough topology terminal 3d singularities forbidden computational realization impossible topological protected junction geometric made boost quantum seemed analogy solid

Project "HITSUPERJU" data sheet

The following table provides information about the project.

Coordinator	TECHNISCHE UNIVERSITEIT DELFT Organization address address: STEVINWEG 1 city: DELFT postcode: 2628 CN website: www.tudelft.nl 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	Netherlands [NL]
Project website	http://nazarov-group.tudelft.nl
Total cost	1˙522˙810 €
EC max contribution	1˙522˙810 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2015-AdG
Funding Scheme	ERC-ADG
Starting year	2016
Duration (year-month-day)	from 2016-08-01 to 2021-07-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	TECHNISCHE UNIVERSITEIT DELFT TECHNISCHE UNIVERSITEIT DELFT Organization address address: STEVINWEG 1 city: DELFT postcode: 2628 CN website: www.tudelft.nl contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	NL (DELFT)	coordinator	1˙522˙810.00

Map

Project objective

'Recently I revealed a deep operational analogy between an exotic material and an electronic device, i.e. between a 3-dimensional topological solid and a 4-terminal superconducting junction. Specifically, the 3d Weyl singularities revealed in the energy spectrum of this quantum device give rise to quantized trans-conductance in two leads that is typical for 2-dimensional topological Quantum Hall materials. The quantized value can be tuned with the third control phase.

I propose to capitalize on this breakthrough by realizing artificial n-dimensional (topological) solid materials by (n1)-terminal superconducting junctions. This seemed to be fundamentally forbidden so far. In particular, in the framework of one research direction I will address the realization of higher Chern numbers. The edges and interfaces are important in topological solids, they need to be structured. For the artificial topological materials made with multi-terminal superconducting junctions such structuring is impossible in geometric coordinate space. However, the fact that the charge and superconducting phase are quantum-conjugated quantities provide the unique possibility for the structuring in multi-dimensional charge space that I will access in the framework of another direction. These two research directions will be supplemented by a more technical effort devoted to computational (quantum) dynamics of multi-terminal superconducting junctions.

The proposed way to 'conquer' higher dimensions for condensed matter physics is of clear fundamental importance. Exciting applications are at the horizon, too. The exotic quantum states under consideration can be topologically protected and thus useful for quantum information processing. Quantized trans-resistance as well as other topological invariants may be important in metrology. More generally, the research proposed will boost the whole field of electronic devices wherever topology guarantees the discrete stability of device characteristics'

Publications

List of publications.
year	authors and title	journal	last update
2019	E. V. Repin, Y. Chen, Y. V. Nazarov Topological properties of multiterminal superconducting nanostructures: Effect of a continuous spectrum published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.99.165414	Physical Review B 99/16	2019-05-22
2018	Janis Erdmanis, ÃrpÃ¡d LukÃ¡cs, Yuli V. Nazarov Weyl disks: Theoretical prediction published pages: 1-5, ISSN: 2469-9950, DOI: 10.1103/physrevb.98.241105	Physical Review B 98/24	2019-04-12

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