Category Archives: Research

Scattering From Single Atoms Can Answer Quantum Questions

The first complete experimental study of photons scattering electrons from free atoms opens a new platform for testing quantum theories. When photons of light have sufficient energy, they can knock electrons away from their atoms like billiard balls. This process, … Continue reading

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Synopsis: Three Helium-Ammonia Compounds Found for Icy Planets

Stable compounds made from helium and ammonia are predicted to form at the extreme pressures found inside Neptune and Uranus. Helium—the most inert element on the periodic table—and ammonia—a compound made of nitrogen and hydrogen—are major components of icy giant … Continue reading

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Double Helium-core White Dwarf Binary Detected

Astronomers say it’s the first gravitational wave source of its kind US astronomers have announced the detection of J2322+0509, a detached binary white dwarf composed of two helium-core stars with a short orbital period. It is the first gravitational wave … Continue reading

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Conductance Tunable Suspended Graphene Nanomesh by Helium Ion Beam Milling

This paper demonstrates that the electrical properties of suspended graphene nanomesh (GNM) can be tuned by systematically changing the porosity with helium ion beam milling (HIBM). The porosity of the GNM is well-controlled by defining the pitch of the periodic … Continue reading

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Researchers Observe Ultrafast Processes of Single Molecules in Liquid Helium for The First Time

How a molecule moves in the protective environment of a quantum fluid Markus Koch, head of the research group Femtosecond Dynamics at the Institute of Experimental Physics at TU Graz, and his team develop new methods for time-resolved femtosecond laser … Continue reading

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