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ABSOLUTESPIN SIGNED

Absolute Spin Dynamics in Quantum Materials

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

ABSOLUTESPIN project word cloud

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

surfaces mechanisms investigator one temperature manipulation interactions decoupling single ensembles links meservey atomic successful tedrow paramagnetic coherently stm readout specially individual effect except scalability limit lifetimes quantity culminates correspondingly ghz times decay resolved few excitation dynamics innovative time polarization fill spins coherent electron principal arbitrary tip understand special scanning demonstration superconducting conserved feasibility magnitude absolute combine coherence pi relaxation direct fulde manipulated light orders source surroundings missing greatest demonstrated microscope designed resonance first detection pulsed lost quantum computing tunneling measured he charge setup realized spin

Project "ABSOLUTESPIN" data sheet

The following table provides information about the project.

Coordinator	MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV Organization address address: HOFGARTENSTRASSE 8 city: Munich postcode: 80539 website: www.mpg.de 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˙469˙136 €
EC max contribution	2˙469˙136 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2015-CoG
Funding Scheme	ERC-COG
Starting year	2016
Duration (year-month-day)	from 2016-07-01 to 2021-06-30

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN EV Organization address address: HOFGARTENSTRASSE 8 city: Munich postcode: 80539 website: www.mpg.de contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (Munich)	coordinator	2˙469˙136.00

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Project objective

One of the greatest challenges in exploiting the electron spin for information processing is that it is not a conserved quantity like the electron charge. In addition, spin lifetimes are rather short and correspondingly coherence is quickly lost. This challenge culminates in the coherent manipulation and detection of information from a single spin. Except in a few special systems, so far, single spins cannot be manipulated coherently on the atomic scale, while spin coherence times can only be measured on spin ensembles. A new concept is needed for coherence measurements on arbitrary single spins. Here, the principal investigator (PI) will combine a novel time- and spin-resolved low-temperature scanning tunneling microscope (STM) with the concept of pulsed electron paramagnetic resonance. With this unique and innovative setup, he will be able to address long-standing problems, such as relaxation and coherence times of arbitrary single spin systems on the atomic scale as well as individual spin interactions with the immediate surroundings. Spin readout will be realized through the detection of the absolute spin polarization in the tunneling current by a superconducting tip based on the Meservey-Tedrow-Fulde effect, which the PI has recently demonstrated for the first time in STM. For the coherent excitation, a specially designed pulsed GHz light source will be implemented. The goal is to better understand the spin dynamics and coherence times of single spin systems as well as the spin interactions involved in the decay mechanisms. This will have direct impact on the feasibility of quantum spin information processing with single spin systems on different decoupling surfaces and their scalability at the atomic level. A successful demonstration will enhance the detection limit of spins by several orders of magnitude and fill important missing links in the understanding of spin dynamics and quantum computing with single spins.

Publications

List of publications.
year	authors and title	journal	last update
2019	Jacob Senkpiel, Carmen Rubio-VerdÃº, Markus Etzkorn, Robert Drost, Leslie M. Schoop, Simon Dambach, Ciprian Padurariu, BjÃ¶rn Kubala, Joachim Ankerhold, Christian R. Ast, Klaus Kern Robustness of Yu-Shiba-Rusinov resonances in the presence of a complex superconducting order parameter published pages: , ISSN: 2469-9969, DOI: 10.1103/physrevb.100.014502	Physical Review B 100/1	2019-10-15

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