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Researchers develop algorithm to see inside materials with subatomic particles

Wayne State student selected for DOE's Office of Science Graduate Student Research Program


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IMAGE: David Moutard, graduate student, Department of Physics and Astronomy, College of Liberal Arts and Sciences, Wayne State University
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Credit: David Moutard
DETROIT - The Department of Energy s (DOE s) Office of Science has announced the selection of 78 graduate students representing 26 states for the Office of Science Graduate Student Research (SCGSR) program s 2020 Solicitation 2 cycle.
Wayne State University Department of Physics and Astronomy graduate student David Moutard was one of the recipients for his project, Experimental Research in High Energy Physics. Moutard s research project is in conjunction with Alex Kim, Ph.D., at the Lawrence Berkeley National Lab in Berkeley, California. According to Moutard, in the very near future, the Dark Energy Spectroscopic Instrument (DESI) will begin collecting spectra of galaxies. The international DESI Time Domain Working Group will use these spectra to attempt to detect and clas ....

United States , New Mexico , Alex Kim , Peter Hoffmann , Stephanie Carroll , David Moutard , Department Of Energy , Time Domain Working Group , Wayne State University Department Of Physics , Dark Energy Spectroscopic Instrument , Energy Jenniferm Granholm , Office Of Science Graduate Student Research , Lawrence Berkeley National Lab In , Experimental Research In High Energy Physics Moutard , Office Of Science , Department Of Physics , Science Graduate Student Research , State University Department , High Energy Physics , Lawrence Berkeley National Lab , Domain Working Group , Dan Zowada Memorial Observatory , Wayne State University Department , Wayne State , Liberal Arts , Energy Jennifer ,

First detailed look at how charge transfer distorts a molecule's structure


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IMAGE: In experiments with SLAC s X-ray free-electron laser, scientists knocked electrons out of a molecule known as DMP to make the first detailed observations of how a process called charge transfer.
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Credit: Greg Stewart/ SLAC National Accelerator Laboratory
When light hits certain molecules, it dislodges electrons that then move from one location to another, creating areas of positive and negative charge. This charge transfer is highly important in many areas of chemistry, in biological processes like photosynthesis and in technologies like semiconductor devices and solar cells.
Even though theories have been developed to explain and predict how charge transfer works, they have been validated only indirectly because of the difficulty of observing how a molecule s structure responds to charge movements with the required atomic resolution and on the required ultrafast time scales. ....

United States , Xinxin Cheng , Hannes Jonsson , Adam Kirrander , Michael Minitti , Peter Weber , Haiwang Yong , University Of Iceland , Department Of Energy , University Of Edinburgh , Proceedings Of The National Academy Sciences , Office Of Science , Brown University , Stanford University , National Accelerator Laboratory , Accelerator Laboratory , National Academy , Linac Coherent Light Source , Chemistry Physics Materials Sciences , Atomic Molecular Particle Physics , Industrial Engineering Chemistry , Tomic Physics , Molecular Physics , ஒன்றுபட்டது மாநிலங்களில் , பீட்டர் வெபர் , பல்கலைக்கழகம் ஆஃப் ஐஸ்லாந்து ,

Superconductivity, high critical temperature found in 2D semimetal W2N3


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IMAGE: The model predicts a remarkably high superconducting critical temperature of 21 K in the easily exfoliable, topologically nontrivial 2D semimetal W2N3.
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Credit: Davide Campi @EPFL
Superconductivity in two-dimensional (2D) systems has attracted much attention in recent years, both because of its relevance to our understanding of fundamental physics and because of potential technological applications in nanoscale devices such as quantum interferometers, superconducting transistors and superconducting qubits.
The critical temperature (Tc), or the temperature under which a material acts as a superconductor, is an essential concern. For most materials, it is between absolute zero and 10 Kelvin, that is, between -273 Celsius and -263 Celsius, too cold to be of any practical use. Focus has then been on finding materials with a higher Tc. ....

Simran Kumari , Nicola Marzari , Davide Campi , Laboratory Of Theory , Chemistry Physics Materials Sciences , Atomic Molecular Particle Physics , Superconductors Semiconductors , சிம்ரன் குமாரி , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

Complex shapes of photons to boost future quantum technologies

Researchers at Tampere University Photonics Laboratory have demonstrated how two interfering photons can bunch into various shapes. These complex shapes are beneficial for quantum technologies, such as performing fast photonic quantum computations and safe data transfer. The method opens new possibilities also for creating enhanced measurement and sensing techniques. ....

Markus Hiekkam , Tampere University , Assistant Professor Robert Fickler , Doctoral Researcher Markus Hiekkam , Physical Review , Robert Fickler , Experimental Quantum Optics , High Dimensional Two Photon Interference Effects , Chemistry Physics Materials Sciences , Atomic Molecular Particle Physics , Molecular Physics , உடல் விமர்சனம் , சோதனை குவாண்டம் ஒளியியல் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,