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Condensed Matter Mar 22, 2024

Study outlines spectroscopic signatures of fractionalization in octupolar quantum spin ice

Quantum spin liquids are fascinating quantum systems that have recently attracted significant research attention. These systems are characterized by a strong competition between interactions, which prevents the establishment ...

Astronomy Feb 29, 2024

How 'the strong force' influences the gravitational wave background

Gravitationally speaking, the universe is a noisy place. A hodgepodge of gravitational waves from unknown sources streams unpredictably around space, including possibly from the early universe.

Condensed Matter Aug 16, 2023

Study reveals an asymmetric dispersion of phason excitations in a skyrmion lattice

Magnetic skyrmions, statically stable magnetic quasiparticles with a topological charge, have been the focus of numerous recent studies, as they could support the development of so-called spintronics. These devices, which ...

Quantum Physics Aug 18, 2022

A precise measurement of the neutral weak form factor of Ca-48

The CREX Collaboration, a large group of researchers from different universities worldwide who are involved in the Calcium Radius Experiment (CREX), has recently collected a precise measurement of the broken mirror symmetry ...

General Physics Jun 8, 2021

Could the source of the GW190814 event be a black hole-strange quark star system?

On the 14th of August 2019, the LIGO-Virgo collaboration detected a gravitational wave signal believed to be associated with the merging of a binary stellar system composed of a black hole with a mass of 23 times the mass ...

Astronomy May 4, 2021

Spinning black holes could deform under an external and static gravitational field

An open question among the physics community is whether black holes can be tidally deformed by an external gravitational field. If this were confirmed to be true, it could have important implications for many areas of physics, ...

General Physics Mar 23, 2020

Realizing kagome spin ice in a frustrated intermetallic compound

Exotic phases of matter known as spin ices are defined by frustrated spins that obey local "ice rules"—similar to electric dipoles in water ice. Physicists can define ice rules in two-dimensions for in-plane Ising-like ...

General Physics Aug 2, 2016

Physicists prepare to detect gravitational waves from neutron star collisions

(Phys.org)—Last February, scientists made the groundbreaking discovery of gravitational waves produced by two colliding black holes. Now researchers are expecting to detect similar gravitational wave signals in the near ...

General Physics Feb 2, 2015

Nuclear pasta may offer insight into strange world of neutron stars

(Phys.org)—Neutron stars, which form when massive stars collapse under their own enormous gravity, are some of the densest objects in the universe, second only to black holes. Yet while little is known about the interiors ...

Condensed Matter Sep 20, 2012

Small is beautiful: Viewing hydrogen atoms with neutron protein crystallography

(Phys.org)—Creating 3D visualizations of hydrogen atoms in proteins is especially challenging, often requiring their locations to be inferred from those of nearby carbon, nitrogen, oxygen or sulfur atoms stored in protein ...

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