May 22, 2022

Puzzling Quantum Scenario Appears Not to Conserve Energy

Posted by in categories: energy, law, quantum physics

THE #QUANTUM #PHYSICISTS Sandu Popescu, Yakir Aharonov and Daniel Rohrlich have been troubled by the same scenario for three decades.

It started when they wrote about a surprising #wave #phenomenon called #superoscillation in 1990. “We were never able to really tell what exactly was bothering us,” said Popescu, a professor at the University of Bristol. “Since then, every year we come back and we see it from a different angle.”

Finally, in December 2020, the trio published a paper in the Proceedings of the National Academy of Sciences explaining what the problem is: In #quantumsystems, superoscillation appears to violate the law of conservation of #energy. This law, which states that the energy of an isolated system never changes, is more than a bedrock physical principle. It’s now understood to be an expression of the fundamental symmetries of the universe—a “very important part of the edifice of physics,” said Chiara Marletto, a physicist at the University of Oxford.

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#quantumphysics #university #Research #Lawofphysics

By resolving a paradox about light in a box, researchers hope to clarify the concept of energy in quantum theory.

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