Emergence of classicality states that a quantum description of a large object must be the same as its classical description, but this isn’t always so…
How accurate are our models of rotating neutron stars?
Comparing algorithms used to model spinning neutron stars, scientists hope to better understand the physics of the elementary particles that make them up.
Putting chiral perturbation theory to the test
Scientists put chiral perturbation theory to the test with a set of new experiments that have helped define fundamental properties of protons.
What is quantum gravity?
Quantum gravity seeks to describe gravity according to the principles of quantum mechanics, but can it be done?
String theory used to describe the expanding universe
To address unknown quantum gravitational effects in the early universe, physicists have recruited string theory to help solve the problem.
The Unruh effect: Probing the structure of a vacuum
The impact of virtual particles on accelerating objects in a vacuum has never been observed, and a new thought experiment aims to rectify this.
Scientists have measured neutrino mass with record-breaking accuracy
Scientists have constrained the mass of neutrinos to less than 1 eV for the first time, breaking an important barrier in neutrino physics.
What can AI tell us about the early universe?
Using an artificial neural network and AI, researchers are developing a powerful computational tool to model particle physics following the Big Bang.
Dark matter could be composed of primordial black holes
A new theory for the origin and nature of dark matter resolves some inconsistencies between cosmological predictions and astronomical data.
Physics on its way to new horizons
Precision measurements at low energies play a central role in the paradigm shifts of modern physics.