The Kondo effect refers to an anomalous behavior of electrical resistance in metals with magnetic interference. Using scanning tunneling microscopy, the effect was first studied by US researchers in the late 1990s. Many of the studies based on this may have to be re-examined now that Jülich researchers have shown that the Kondo effect cannot be proven beyond doubt in this way. Instead, another phenomenon produces precisely the spectroscopic "fingerprint" that was previously attributed to the Kondo effect.
Skyrmions are small magnetic whirls that appear in certain combinations of materials. In data storage, they are regarded as the future information carriers. Scientists in Aachen, Kiel and Reykjavík found out that these so-called magnetic nanoknots can dissolve in two ways. JARA-FIT member Prof. Markus Morgenstern played a key role in the investigations.
To celebrate the 50th anniversary of Physical Review A, the science magazine has taken a look back and compiled a collection of milestone articles. The collection contains papers that have made important contributions to atomic, molecular and optical physics and quantum information. JARA Professor David DiVincenzo is represented twice in the collection.
Using simulations on the JURECA supercomputer and X-ray crystallography, Jülich researchers have clarified how sodium ions drive the transport of glutamate in the brain. The so-called excitatory amino acid transporters, EAATs for short, are responsible for this, which remove the messenger substance glutamate from the synaptic cleft between nerve cells. The article was published in the current issue of the renowned journal "Science Advances". The institute of Prof. Christoph Fahlke, a member of JARA-BRAIN and JARA-SOFT, was significantly involved in the research.
Professor Wil van der Aalst, from JARA-CSD, holder of the Chair of Computer Science 9 - Process and Data Science (PADS) at RWTH Aachen University and head of the Process Mining Group at the Fraunhofer Institute for Applied Information Technology (FIT), has now been appointed Fellow of the Institute of Electrical and Electronics Engineers (IEEE), the world's leading professional association for the advancement of technology for mankind, for his achievements in the field of "Process Mining" and "Workflow Processes".
