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Physics
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Physics - 07.06.2024
Perturbations simplify the study of ’super photons’
A study by the University of Bonn gives novel insight into properties which are often difficult to observe Thousands of particles of light can merge into a type of "super photon" under suitable conditions. Physicists call such a state a photon Bose-Einstein condensate. Researchers at the University of Bonn have now shown that this exotic quantum state obeys a fundamental theorem of physics.
Astronomy / Space - Physics - 06.06.2024
Searching for Signals from the Early Universe
In the search for signals from the early universe, the Heidelberg scientist Georg Wolschin deals with the question of whether and how residual spectral lines from the recombination phase with the formation of the first elements can be detected in the cosmic background radiation - which can be measured very precisely today.
Chemistry - Physics - 03.06.2024
Paving the Way for Hydrogen from Algae Enzymes
A research team from Bochum has identified a crucial detail that's essential for the production of hydrogen using biocatalysts. Under certain conditions, some algae are able to produce hydrogen - a much sought-after green energy source. Its production takes place in the unique catalytic center of the unicellular algae and is only possible if certain cofactors of the relevant proteins are present.
Astronomy / Space - Physics - 23.05.2024
Euclid delivers first scientific results
ESA's space telescope reveals secrets of the cosmos. University of Bonn is involved Today, the Euclid Consortium publishes the first scientific publications on observations with the Euclid space telescope. In a first early observation phase, some scientifically spectacular results have already been achieved.
Astronomy / Space - Physics - 23.05.2024
On the Way to the Most Precise Map of Our Universe
Observations made by the Euclid telescope show the world the discovery of free-floating new-born planets, of a new dwarf galaxy and many more.
Astronomy / Space - Physics - 23.05.2024
Light
New scientific data from the Euclid Space Telescope reveals the mystery of the faint glow in the Perseus galaxy cluster The Perseus galaxy cluster was one of the first targets of ESA's Euclid space telescope. It contains thousands of brilliant galaxies, as heavy as 650 trillion suns, held together by their own gravity.
Chemistry - Physics - 16.05.2024
New method for introducing fluorinated components into molecules
A team of chemists at the University of Münster has developed a synthesis method for the site-selective integration of the biologically relevant difluoromethyl group into pyridines The difluoromethyl group often determines the properties of bioactive molecules and is therefore particularly interesting for drug research.
Physics - Innovation - 16.05.2024
Method Milestone for Quantum Physics
Rapid Test for Topological 2D Materials: Researchers from the Würzburg-Dresden Cluster of Excellence ct.qmat have developed a method with which two-dimensional topological materials can be detected more easily and quickly. Topological quantum materials are hailed as a cornerstone of future technological advancements.
Physics - Chemistry - 15.05.2024
International research team cracks a hard physics problem
Strongly interacting systems play an important role in quantum physics and quantum chemistry. Stochastic methods such as Monte Carlo simulations are a proven method for investigating such systems. However, these methods reach their limits when so-called sign oscillations occur. This problem has now been solved by an international team of researchers from Germany, Turkey, the USA, China, South Korea and France using the new method of wavefunction matching.
Physics - 08.05.2024
Caution, hot surface!
The interaction between high-intensity, ultrashort laser pulses and solids has opened up significant technological opportunities in recent years. Laser ablation, for example, allows high-precision materials processing, thereby facilitating the miniaturization of components in medical and telecommunications technologies.
Physics - Chemistry - 06.05.2024
Molecular dynamics in real time
A European research team has developed a novel spectroscopic method that can be used to observe ultrafast dynamic processes of electrons and vibrations within molecules - with atomic resolution and in real time. A team from the University of Jena supported the experimental team in Barcelona in the theoretical description of the processes.
Astronomy / Space - Physics - 30.04.2024
Clouds blanket the night side of the hot exoplanet WASP-43b
High temperatures and extreme wind speeds influence the chemistry inside the planet's atmosphere. Using the James Webb Space Telescope (JWST), a team of astronomers, including scientists from MPIA, constructed a global temperature map of the hot, gas giant exoplanet WASP-43b.
Physics - Materials Science - 29.04.2024
Leipzig physicists show that light can generate electricity even in translucent materials
News from Some materials are transparent to light of a certain frequency. When such light is shone on them, electrical currents can still be generated, contrary to previous assumptions. Scientists from Leipzig University and Nanyang Technological University in Singapore have managed to prove this. "This opens new paradigms for constructing opto-electronic and photovoltaic devices, such as light amplifiers, sensors and solar cells," says Inti Sodemann Villadiego, Professor at the Institute of Theoretical Physics at Leipzig University.
Physics - 19.04.2024
2D materials rotate light polarisation
German-Indian research team achieves further step towards miniaturised optical isolators / For on-chip integration of optical computer technologies It has been known for centuries that light exhibits wave-like behaviour in certain situations. Some materials are able to rotate the polarisation, i.e. the direction of oscillation, of the light wave when the light passes through the material.
Astronomy / Space - Physics - 16.04.2024
A frustrated jet in the centre of the Milky Way
Magnetic fields spiral around the mass monster Sagittarius A* and form up for a restart The Event Horizon Telescope, a network of individual radio telescopes located all'over the world, has once again observed the centre of our galaxy, the Milky Way. Using the polarised part of the radio light, the researchers discovered strong magnetic fields that spiral out from the edge of the supermassive black hole Sagittarius A*.
Physics - 16.04.2024
Understanding the universe - SHiP experiment promises new insights into the world of elementary particles
Researchers from six German research institutions are making a significant contribution to the development of detectors for a new experiment at CERN, the research centre for particle physics. The European Centre for Nuclear Research CERN close to Geneva has announced plans to conduct a new experiment called SHiP (Search for Hidden Particles) in search for previously unknown elementary particles.
Astronomy / Space - Physics - 16.04.2024
Searching for clues in a fly-by
The BepiColombo space probe measures carbon ions escaping from the atmosphere of Venus and thus helps to decipher the special development of Venus During its flyby of Venus, the European-Japanese space probe Bepi Colombo for the first time found carbon ions escaping from the planet's atmosphere into space in a previously unexplored region on the night side of the planet.
Physics - Electroengineering - 15.04.2024
Quantum Precision: A New Kind of Resistor
Researchers at the University of Würzburg have developed a method that can improve the performance of quantum resistance standards. It's based on a quantum phenomenon called Quantum Anomalous Hall effect. The precise measurement of electrical resistance is essential in industrial production or electronics - for example, in the manufacture of high-tech sensors, microchips and flight controls.
Materials Science - Physics - 12.04.2024
Quantum electronics: Charge travels like light in bilayer graphene
International research team show potential for nanoscale transistors in all-carbon film An international research team led by the University of Göttingen has demonstrated experimentally that electrons in naturally occurring double-layer graphene move like particles without any mass, in the same way that light travels.
Chemistry - Physics - 11.04.2024
New Ways to Fine Tune Electrochemistry
Scientists have found new paths to steer and optimize electrochemical processes. Optimizing electrochemical reactions is essential for the transition to renewable energies. In electrochemical reactions, electric currents and potential differences are used to binding and induce reactions. Electrochemistry is a pre-requisite for hydrogen production, and for batterie technology, and thus for sustainable chemistry.