Thought experiments and conservation laws: Reevaluating quantum conservation principles
Conservation laws are central to our understanding of the universe, and now scientists have expanded our understanding of these laws in quantum mechanics.
News tagged with thought
Less is more for Maxwell's Demon in quantum heat engines
Over 150 years after the famous Scottish scientist James Clerk Maxwell first introduced the idea, the concept of Maxwell's demon continues to perplex physicists and information scientists. The demon he dreamed up in a thought ...
Entangled quantum circuits further disprove Einstein's concept of local causality
A group of researchers led by Andreas Wallraff, Professor of Solid State Physics at ETH Zurich, has performed a loophole-free Bell test to disprove the concept of "local causality" formulated by Albert Einstein in response ...
Superconductivity
May 10, 2023
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Heaviest Schrödinger cat achieved by putting a small crystal into a superposition of two oscillation states
Even if you are not a quantum physicist, you will most likely have heard of Schrödinger's famous cat. Erwin Schrödinger came up with the feline that can be alive and dead at the same time in a thought experiment in 1935. ...
Quantum Physics
Apr 20, 2023
1
735
Study proves compatibility of two fundamental principles of quantum theory
Quantum theory, which was formulated in the first three decades of the twentieth century, describes a wide array of phenomena at the molecular, atomic and subatomic scales. Among its many technological applications, three ...
Quantum Physics
Apr 20, 2023
2
190
Authors' 'invisible' words reveal blueprint for storytelling
The "invisible" words that shaped Dickens classics also lead audiences through Spielberg dramas. And according to new research, these small words can be found in a similar pattern across most storylines, no matter the length ...
Social Sciences
Aug 7, 2020
9
294
Exotic physics phenomenon is observed for first time
An exotic physical phenomenon, involving optical waves, synthetic magnetic fields, and time reversal, has been directly observed for the first time, following decades of attempts. The new finding could lead to realizations ...
Quantum Physics
Sep 5, 2019
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Dark matter experiment finds no evidence of axions
Physicists from MIT and elsewhere have performed the first run of a new experiment to detect axions—hypothetical particles that are predicted to be among the lightest particles in the universe. If they exist, axions would ...
General Physics
Mar 28, 2019
91
2257
Researchers find quantum 'Maxwell's demon' may give up information to extract work
Thermodynamics is one of the most human of scientific enterprises, according to Kater Murch, associate professor of physics in Arts & Sciences at Washington University in St. Louis.
Quantum Physics
Jul 24, 2018
6
1002
Imagining the possibility of life in a universe without the weak force
A team of researchers at the University of Michigan has conducted a thought experiment regarding the nature of a universe that could support life without the weak force. In their paper uploaded to the ArXiv preprint server, ...
