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Physicists Study How Universes Might Bubble Up and Collide
...“Because it’s an experiment, it contains by definition all the physics that nature wants to put in it including quantum effects and classical effects,” Peiris said. Peiris leads a team...
How the Bits of Quantum Gravity Can Buzz
...Wilczek and Zahariade’s calculation is built on physics that few would disagree with. “We did a very conservative calculation, which is almost certainly correct,” said Parikh. “It essentially just assumes...
How Space and Time Could Be a Quantum Error-Correcting Code
...conjectured in the Journal of High Energy Physics that space-time itself is a code — in anti-de Sitter (AdS) universes, at least. The paper has triggered a wave of activity...
New Black Hole Math Closes Cosmic Blind Spot
...weigh more than 10 solar masses. Earlier this year, researchers at the Max Planck Institute for Gravitational Physics used Field and Khanna’s surrogate model to look through LIGO data for...
Physicists Argue That Black Holes From the Big Bang Could Be the Dark Matter
...come back to life. In one of the latest, published last week in the Journal of Cosmology and Astroparticle Physics, Karsten Jedamzik, a cosmologist at the University of Montpellier, showed...
The Quest to Quantify Quantumness
...Landau Institute for Theoretical Physics in Russia, and Alexei Kitaev of the California Institute of Technology worked out two schemes for pulling off any quantum calculation: You could include T...
How (Relatively) Simple Symmetries Underlie Our Expanding Universe
Although Einstein’s theory of space-time seems more complicated than Newtonian physics, it greatly simplified the mathematical description of the universe. Isaac Newton and other premodern physicists saw space and time...
Imaginary Numbers May Be Essential for Describing Reality
...predict the outcome of a famous quantum physics experiment known as the Bell test. The new research, which was posted on the scientific preprint server arxiv.org in January, finds that...
Mathematicians Attempt to Glimpse Past the Big Bang
...Jerome Quintin of the University of Waterloo. The trio recently published a paper in the Journal of High Energy Physics in which, Ling said, “we mathematically showed that there might...