Perturbing electron spins in a magnet usually results in excitations called "spin waves" that ripple through the magnet like waves on a pond that's been struck by a pebble. In a new study, Rice University physicists and their ...
Condensed Matter
Apr 17, 2023
0
165
Created as an analogy for Quantum Electrodynamics (QED) — which describes the interactions due to the electromagnetic force carried by photons — Quantum Chromodynamics (QCD) is the theory of physics that explains ...
Quantum Physics
Dec 23, 2021
1
321
Astronomers routinely explore the universe using different wavelengths of the electromagnetic spectrum from the familiar visible light to radio waves and infrared to gamma rays. There is a problem with studying the universe ...
Astronomy
Jan 15, 2024
3
108
Oscillatory behaviors are ubiquitous in nature, ranging from the orbits of planets to the periodic motion of a swing. In pure crystalline systems, presenting a perfect spatially-periodic structure, the fundamental laws of ...
Quantum Physics
Nov 23, 2020
0
2475
(Phys.org) —The design of the ITER blanket system, a crucial technology on the way to fusion power, has been approved and is now ready to proceed to the manufacturing stage. "The development and validation of the final ...
General Physics
Apr 25, 2013
7
0
The electromagnetic force has gotten a little stronger, gravity a little weaker, and the size of the smallest "quantum" of energy is now known a little better. The National Institute of Standards and Technology (NIST) has ...
General Physics
Jul 20, 2011
7
0
At this stage in the evolution of the universe (about 14 billion years after the big bang) there are four fundamental forces in action that cause interactions among the constituents of matter.
Quantum Physics
Dec 23, 2022
0
103
Look at a galaxy, what do you see? Probably lots of stars. Nebulae too. And that's probably it. A whole bunch of stars and gas in a variety of colorful assortments; a delight to the eye. And buried among those stars, if you ...
Astronomy
Jan 11, 2019
118
111
Magnets have practically become everyday objects. Earlier on, however, the universe consisted only of nonmagnetic elements and particles. Just how the magnetic forces came into existence has been researched by Prof. Dr. Reinhard ...
General Physics
Jan 2, 2013
46
0
The physics lab that's home to the world's largest atom smasher announced on Tuesday the observation of three new "exotic particles" that could provide clues about the force that binds subatomic particles together.
General Physics
Jul 5, 2022
1
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