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A hybrid topological quantum state in an elemental solid arsenic

International team of scientists including dr Rajibul Islam from the Institute of Physics P.A.S. demonstrated that the observed step-edge states in α-As, unlike surface or hinge states, are not expected for either first or higher-order topological insulators separately but only for hybrid materials in which both kinds of band topology are present.

Signatures of a surface spin-orbital chiral metal

In an article published in the journal Nature, signatures of spin-orbital currents breaking both time-reversal and all crystalline symmetries were confirmed in an exotic surface chiral phase of Sr2RuO4. It was possible to find signatures of the sought for spin-orbital currents thanks to the use of the circularly-polarized angular- and spin-resolved photoemission technique CP-spin ARPES through contributions...

MagTop Centre financed for the next five years!

It gives us great pleasure to announce that the MagTop Centre has been funded from Priority 2 of the European Funds for Smart Economy 2021-2027 Programme (FENG) through the next 5 years. The Foundation for Polish Science announced the results of recruitment under the International Research Agendas activity financed by the European Funds for Smart Economy 2021-2027 Programme (FENG).

Laser cooling of atoms containing antimatter

The cloud of exotic atoms made up of matter and antimatter was cooled by more than 200 degrees in a controlled manner. The international team of scientists from the AEgIS experiment working at CERN has made the first experimental demonstration of laser cooling of positronium atoms. This is another step on the way to precisely controlling the bound states of matter and antimatter.

Temperature dependence of chromatic dispersion for hygroscopic liquids

Using a modified Abbe refractometer, the chromatic dispersion and temperature dependence of the refractive index of a range of hygroscopic liquids was measured from 390 to 1070 nm for temperatures from 1 to 45°C. To obtain an analytical formula, the Sellmeier formula was fitted to the experimental results for each temperature and combined with the temperature dependence.

Topological phase diagram of Eu-based compounds

Combined experimental, theoretical, and computational investigations have identified the origin of outstanding magnetooptical and magnetotransport properties of EuCd2As2 and provided topological and magnetic phase diagrams for various classes of Eu-based compounds.  

Interaction of SARS-CoV-2 with host cells and antibodies: experiment and simulation

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the primary etiological agent responsible for the catastrophic global COVID-19 pandemic, as officially declared by the World Health Organization (WHO) in March 2020. This pandemic has infected more than 700 million people and claimed the lives of more than seven million people worldwide. In Poland, according to official statistics,...
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