Explore the words cloud of the TopSpiD project. It provides you a very rough idea of what is the project "TopSpiD" about.
The following table provides information about the project.
EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH
|Coordinator Country||Switzerland [CH]|
|Total cost||175˙419 €|
|EC max contribution||175˙419 € (100%)|
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
|Duration (year-month-day)||from 2018-07-01 to 2020-06-30|
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|1||EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH||CH (ZUERICH)||coordinator||175˙419.00|
The recent understanding of the topological properties of matter has led to the search for the experimental production and control of topological excitations such as Majorana fermions. They appear at the boundary between a topological superconductor and a normal metal and have intriguing properties such as non-abelian exchange statistics and insensitivity to decoherence. Their production would give an invaluable insight on the properties of topological phases of matter as well as paving the way towards fault-tolerant quantum computing. The aim of this action is to create them in an ultracold atom set-up which is a ideal platform to engineer interesting Hamiltonians.
We propose to create such excitations by combining effective spin-orbit coupling with superfluid properties. We will use near-resonant light which has led to the successful implementation of artificial magnetic fields and spin-orbit coupling in ultracold atoms. We want to produce the latter coupling while limiting the associated heating due to spontaneous emission: the key idea is to shine the near-resonant beams on a very small region, where spontaneous emission leads to losses but not to heating.
We already have an apparatus able to realize the atomic equivalent of a quantum point contact. In this project, the experienced researcher, already expert in ultracold atom techniques, will lead the experimental team effort. As intermediate results, we will study the flow of atoms through “atomtronics” light structures, implement a cooling scheme using such an atomtronic device and understand the effect of increased losses in the channel on transport.
The combination of these new potentials with superfluid behaviour for ultracold atoms leads to the implementation of the Kitaev model that bears the highly sought Majorana excitations, and detection will take advantage of easily accessible transport observables. The atomtronics techniques developed would open wide perspectives for future studies.
|year||authors and title||journal||last update|
Laura Corman, Philipp Fabritius, Samuel HÃ¤usler, Jeffrey Mohan, Lena H. Dogra, Dominik Husmann, Martin Lebrat, Tilman Esslinger
Quantized conductance through a dissipative atomic point contact
published pages: , ISSN: 2469-9926, DOI: 10.1103/physreva.100.053605
|Physical Review A 100/5||2020-01-27|
Dominik Husmann, Martin Lebrat, Samuel HÃ¤usler, Jean-Philippe Brantut, Laura Corman, Tilman Esslinger
Breakdown of the Wiedemannâ€“Franz law in a unitary Fermi gas
published pages: 8563-8568, ISSN: 0027-8424, DOI: 10.1073/pnas.1803336115
|Proceedings of the National Academy of Sciences 115/34||2020-01-27|
Martin Lebrat, Samuel HÃ¤usler, Philipp Fabritius, Dominik Husmann, Laura Corman, Tilman Esslinger
Quantized Conductance through a Spin-Selective Atomic Point Contact
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.123.193605
|Physical Review Letters 123/19||2020-01-27|
G. Salerno, H.â€‰M. Price, M. Lebrat, S. HÃ¤usler, T. Esslinger, L. Corman, J.-P. Brantut, N. Goldman
Quantized Hall Conductance of a Single Atomic Wire: A Proposal Based on Synthetic Dimensions
published pages: , ISSN: 2160-3308, DOI: 10.1103/physrevx.9.041001
|Physical Review X 9/4||2020-01-27|
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