Explore the words cloud of the 4-TOPS project. It provides you a very rough idea of what is the project "4-TOPS" about.
The following table provides information about the project.
|Coordinator Country||Germany [DE]|
|Total cost||2˙497˙567 €|
|EC max contribution||2˙497˙567 € (100%)|
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
|Duration (year-month-day)||from 2017-06-01 to 2022-05-31|
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|1||JULIUS-MAXIMILIANS-UNIVERSITAT WURZBURG||DE (WUERZBURG)||coordinator||2˙497˙567.00|
Topological materials have developed rapidly in recent years, with my previous ERC-AG project 3-TOP playing a major role in this development. While so far no bulk topological superconductor has been unambiguously demonstrated, their properties can be studied in a very flexible manner by inducing superconductivity through the proximity effect into the surface or edge states of a topological insulator. In 4-TOPS we will explore the possibilities of this approach in full, and conduct a thorough study of induced superconductivity in both two and three dimensional HgTe based topological insulators. The 4 avenues we will follow are:
-SQUID based devices to investigate full phase dependent spectroscopy of the gapless Andreev bound state by studying their Josephson radiation and current-phase relationships. -Experiments aimed at providing unambiguous proof of localized Majorana states in TI junctions by studying tunnelling transport into such states. -Attempts to induce superconductivity in Quantum Hall states with the aim of creating a chiral topological superconductor. These chiral superconductors host Majorana fermions at their edges, which, at least in the case of a single QH edge mode, follow non-Abelian statistics and are therefore promising for explorations in topological quantum computing. -Studies of induced superconductivity in Weyl semimetals, a completely unexplored state of matter.
Taken together, these four sets of experiments will greatly enhance our understanding of topological superconductivity, which is not only a subject of great academic interest as it constitutes the study of new phases of matter, but also has potential application in the field of quantum information processing.
|year||authors and title||journal||last update|
Ching Hua Lee, Stefan Imhof, Christian Berger, Florian Bayer, Johannes Brehm, Laurens W. Molenkamp, Tobias Kiessling, Ronny Thomale
published pages: , ISSN: 2399-3650, DOI: 10.1038/s42005-018-0035-2
|Communications Physics 1/1||2020-02-04|
Lukas Lunczer, Philipp Leubner, Martin Endres, Valentin L. MÃ¼ller, Christoph BrÃ¼ne, Hartmut Buhmann, Laurens W. Molenkamp
Approaching Quantization in Macroscopic Quantum Spin Hall Devices through Gate Training
published pages: 47701, ISSN: 0031-9007, DOI: 10.1103/physrevlett.123.047701
|Physical Review Letters 123/4||2020-02-04|
A. Inhofer, S. Tchoumakov, B. A. Assaf, G. FÃ¨ve, J. M. Berroir, V. Jouffrey, D. Carpentier, M. O. Goerbig, B. PlaÃ§ais, K. Bendias, D. M. Mahler, E. Bocquillon, R. Schlereth, C. BrÃ¼ne, H. Buhmann, L. W. Molenkamp
Observation of Volkov-Pankratov states in topological HgTe heterojunctions using high-frequency compressibility
published pages: 195104, ISSN: 2469-9950, DOI: 10.1103/physrevb.96.195104
|Physical Review B 96/19||2020-02-04|
Hechen Ren, Falko Pientka, Sean Hart, Andrew T. Pierce, Michael Kosowsky, Lukas Lunczer, Raimund Schlereth, Benedikt Scharf, Ewelina M. Hankiewicz, Laurens W. Molenkamp, Bertrand I. Halperin, Amir Yacoby
Topological superconductivity in a phase-controlled Josephson junction
published pages: 93-98, ISSN: 0028-0836, DOI: 10.1038/s41586-019-1148-9
Jonas Strunz, Jonas Wiedenmann, Christoph Fleckenstein, Lukas Lunczer, Wouter Beugeling, Valentin L. MÃ¼ller, Pragya Shekhar, NiccolÃ² Traverso Ziani, Saquib Shamim, Johannes Kleinlein, Hartmut Buhmann, BjÃ¶rn Trauzettel, Laurens W. Molenkamp
Interacting topological edge channels
published pages: 83-88, ISSN: 1745-2473, DOI: 10.1038/s41567-019-0692-4
|Nature Physics 16/1||2020-02-04|
Jan Hajer, Maximilian Kessel, Christoph BrÃ¼ne, Martin P. Stehno, Hartmut Buhmann, Laurens W. Molenkamp
Proximity-Induced Superconductivity in CdTeâ€“HgTe Coreâ€“Shell Nanowires
published pages: 4078-4082, ISSN: 1530-6984, DOI: 10.1021/acs.nanolett.9b01472
|Nano Letters 19/6||2020-02-04|
Jonas Wiedenmann, Eva Liebhaber, Johannes KÃ¼bert, Erwann Bocquillon, Pablo Burset, Christopher Ames, Hartmut Buhmann, Teun M. Klapwijk, Laurens W. Molenkamp
Transport spectroscopy of induced superconductivity in the three-dimensional topological insulator HgTe
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.96.165302
|Physical Review B 96/16||2019-03-11|
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