Press Coordination

Jenny Witt
Jenny Witt
Public Relations and Communications
Phone: +49 (0)40 8998-6593
Room: 99/O1.081
Dr. Joerg M. Harms
Joerg M. Harms
Scientific graphics, Web, Photo, PR
Phone: +49 (0)40 8998-5358
Room: 99/O2.075

 

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Discovery of light-induced ferroelectricity in strontium titanate

June 14, 2019
Light can be used not only to measure materials’ properties, but also to change them. Especially interesting are those cases in which the function of a material can be modified, such as its ability to conduct electricity or to store information in its magnetic state. A team led by Andrea Cavalleri from the Max Planck Institute for the Structure and Dynamics of Matter in Hamburg used terahertz frequency light pulses to transform a non-ferroelectric material into a ferroelectric one. [more]
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Laser-controlled novel superconductors could pave the way to future quantum computers

May 29, 2019
Controlling the quantum properties of materials is a central challenge in physics as well as an essential step towards using quantum physics for applications or building scalable quantum computers. [more]
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The taming of the light screw

March 21, 2019
Scientists from DESY, the MPSD, the University of Hamburg and the CUI Cluster of Excellence create high-order harmonics from solids with controlled polarization states, taking advantage of both crystal symmetry and attosecond electronic dynamics. The newly demonstrated technique might find intriguing applications in petahertz electronics and for spectroscopic studies of novel quantum materials. [more]
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Unraveling materials' Berry curvature and Chern numbers from real-time evolution of Bloch states

February 12, 2019
Researchers from the Theory Department of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science (CFEL) in Hamburg and UNIST (Ulsan National Institute of Science and Technology) in Korea used a state-of-the-art quantum dynamical method to calculate the quantum of spin or charge Hall conductivity, by which they successfully classified the intrinsic topological natures of materials. Their work has been published in PNAS. [more]
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Keep in touch, use the vacuum! How mirrors can control physics and chemistry

February 04, 2019
Hamburg scientists’ theory of polaritonically amplified energy transfer over long distances between molecules paves the way for a new level of chemical engineering and ‘spooky chemistry’. [more]
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The force of the vacuum

November 30, 2018
Scientists from the Theory Department have shown through theoretical calculations and computer simulations that the force between electrons and lattice distortions in an atomically thin two-dimensional superconductor can be controlled with virtual photons. [more]
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Terahertz laser pulses amplify optical phonons in solids

November 14, 2018
Evidence of the amplification of optical phonons in a solid by intense terahertz laser pulses. These light bursts excite atomic vibrations to very large amplitudes, where their response to the driving electric field becomes nonlinear and conventional description fails to predict their behavior. [more]
 
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