Research News


High harmonics show atoms in motion

An MPSD theory team describes in PNAS how high harmonics can illuminate the movement of atoms and electrons down to a few femtoseconds. As the high harmonics change in intensity, they provide ‘snapshots’ of the atoms’ and electrons’ movements at each exact moment. more

New excitons with hybrid dimensionality

Excitons whose electrons have a 1D character while the holes display 2D characteristics have been produced in layered SiP2 for the first time. The study by experimentalists at two Chinese Universities and theoreticians at the MPSD has appeared in Nature Materials. more

Quasi-symmetry reveals new topology

An international team of researchers from Germany, Switzerland, and the USA introduces ‘quasi-symmetry’ as a guiding principle - a concept which leads to the discovery of a new type of topological material with great potential for applications in spintronics and quantum technologies. more

A remote control for functional materials

Researchers in Hamburg have discovered that the ferroelectric polarization of lithium niobate (LiNbO3) changes in areas well away from the direct ‘hit’ of a laser pulse, with the polarization reversal occurring throughout the entire crystal. The team’s study of this hitherto unknown phenomenon - called nonlocal nonlinear phononics - has been published in Nature Physics. more

Easier interface for simulation tools

The use of simulation tools can be complicated and time-intensive. Now a research team from the MPSD and Imperial College London (UK) has developed a workflow that allows researchers to spend far less time on the syntax and data formats of the simulation package and to work with the data immediately. more

Ultrafast control of quantum materials

Research team involving experimentalists and theorists explores how light can fundamentally alter the properties of solids - and how to harness these phenomena in laser-driven materials for future applications. Their colloquium has been published in Reviews of Modern Physics. more

Simplified light-matter predictions

Predictions of how light interacts with real materials can consume vast computing resources. By reshaping the equation so that some quantum light is integrated in the matter component from the outset, scientists have developed a far more efficient approach. more

Twisted MoS<sub>2</sub> yields new exotic states

Twister bilayer MoS2 can be used to control kinetic energy scales in solids. Researchers have shown that the electrons in MoS2 can interfere destructively, stopping their motion for certain paths. Combined with the twist this makes it possible to engineer exotic magnetic states. more

Currents caused by laser loops

Theoreticians at the MPSD predict that a unique laser source could produce highly controllable electric currents in any bulk material. The team’s work has been published in PRL. more

Nematicity by magnetism in TBG

Researchers in Hamburg and Aachen suggest a surprising connection between the nematic behavior of a superconductor in a magnetic field — a state that resembles liquid crystals used in LCDs — and its spiral-like groundstate in the absence of the field. more

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