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Scattering by the upper- and lower-band chorus waves are the dominant cause of diffuse auroral precipitation. Here, we show that the lower-band chorus alone satisfies the preferred condition for the generation of second harmonics to trigger the diffuse auroral electron precipitation.
Parallel computers are fundamentally more energy efficient than serial computers
Energy consumption and in turn heat dissipation is a core obstacle in the quest of engineering ever more faster computers. We show massive parallelization of computing hardware and software offers a way to further increase energy efficiency of computers by orders of magnitude.
Jan 28, 2023
Laplacian Renormalization group for heterogeneous networks
Complex networks have been introduced as the best theoretical framework to model a large variety of physical, biological, and social systems where an intertwined pattern of interactions couples many elements.
Jan 10, 2023
All-fiber optical nonreciprocity
All-fiber optical nonreciprocity
Yanyan Zhi and 1 other
Dec 24, 2022
A general framework for quantifying uncertainty at scale
Quantifying uncertainty and performing sensitivity analysis in real-world, large-scale numerical simulations is virtually impossible with standard methods. We show that our recently developed sensitivity-driven sparse grid interpolation methods enables these two important tasks at scale.
Dec 14, 2022
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The real stories behind the latest research papers, from conception to publication, the highs and the lows.
Parallel computers are fundamentally more energy efficient than serial computers
Energy consumption and in turn heat dissipation is a core obstacle in the quest of engineering ever more faster computers. We show massive parallelization of computing hardware and software offers a way to further increase energy efficiency of computers by orders of magnitude.
Jan 28, 2023
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Attending the APS March Meeting 2021
Guest post by Andrea Richaud, recipient of the Communications Physics 2020 Early Career Researcher grant which enabled him to attend a conference or scientific school of his choice.
Apr 26, 2021
What’s the difference between a supernova and a fork?
Francesca Chadha-Day is a Junior Research Fellow at the University of Cambridge, studying particle astrophysics and axion phenomenology. She is also a comedian. Here, Fran writes for us about her experience of stand-up comedy.
Mar 23, 2020