Scientists Discover Immortal Strange Group of Quantum Particles

Monday, June 17, 2019 - 15:54

Scientists have discovered that quasiparticles in quantum systems could be effectively immortal.

According to the Science Alert, scientists understood that once these quasiparticles have decayed, they are able to reorganize themselves back into existence, possibly ad infinitum.

This seemingly flies right in the face of the second law of thermodynamics, which asserts that entropy in an isolated system can only move in an increasing direction: things can only break down, not build back up again.

Of course, quantum physics can get weird with the rules; but even quantum scientists didn't know quasiparticles were weird in this particular manner.

Physicist Frank Pollman of the Technical University of Munich said that "Until now, the assumption was that quasiparticles in interacting quantum systems decay after a certain time," and added that "We now know that the opposite is the case: strong interactions can even stop decay entirely."

Quasiparticles aren't particles the way we typically think of them, like electrons and quarks. Rather, they're the disturbances or excitations in a solid caused by electrical or magnetic forces that, collectively, behave like particles.

The researchers involved with this latest study developed numerical methods for calculating the complex interactions of these quasiparticles, and ran simulations on a powerful computer to observe how they decay.

At the moment, the work is only in the theoretical realm, but the researchers believe this quasiparticle immortality imbues it with strong potential for long-lasting data storage in quantum computing systems.

The research has been published in Nature Physics.


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