Theoretical Physics

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July 19, 2021
News Feature
The research could lead to a better understanding of extreme astrophysical environments and the development of compact high-energy radiation sources for science.
high-energy electrons strengthen magnetic fields
June 16, 2021
News Brief
Bernhard Mistlberger has developed new methods to make Standard Model predictions more precise than ever. The European Physical Society recently awarded him the 2021 Gribov Medal for his contributions.
A white man with dark hair.
May 27, 2021
News Feature
An analysis of the first three years of Dark Energy Survey data is consistent with predictions from the current best model of the universe. Nevertheless, hints remain from DES and other experiments that matter in the current universe is a few percent less clumpy than predicted.
An observatory bathed in red light against a starry night sky
May 12, 2021
News Feature
Rebecca Leane and colleagues showed dark matter could heat planets in our galaxy to incredible temperatures. Here, she explains how that works and how it could pave the way for sensitive new searches for the mysterious substance.
Portrait of Rebecca Leane
April 6, 2021
News Feature
For the first time, DES scientists can combine measurements of the distribution of matter, galaxies, and galaxy clusters to advance our understanding of dark energy.
November 16, 2020
News Feature
SLAC cosmologists are using multiple images of the same quasars, produced by massive galaxies’ gravitational pull, to calibrate cosmic distances. Their work may help resolve long-standing debates about how quickly the universe is expanding.
Light from a distant quasar bends around a galaxy, creating four images of the quasar.
October 13, 2020
Symmetry
Rubin Observatory will bring new capabilities to the studies of dark matter and dark energy.
August 4, 2020
News Feature
Observations of dwarf galaxies around the Milky Way have yielded simultaneous constraints on three popular theories of dark matter.
March 31, 2020
News Feature
External
Just like we orbit the sun and the moon orbits us, the Milky Way has satellite galaxies with their own satellites. Drawing from data on those galactic neighbors, a new model suggests the Milky Way should have an additional 100 or so very faint satellite galaxies awaiting discovery.
Dark matter forms into clumps, where galaxies and satellite galaxies form.
July 23, 2019
News Feature
If a particle has no mass, how can it exist?

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