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Quantum many-body scar

 
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Joined: 02 Jan 2007
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PostPosted: 15.05.2018 12:38    Post subject: Quantum many-body scar Reply with quote

Deeper understanding of quantum chaos may be the key to quantum computers

https://m.phys.org/news/2018-05-deeper-quantum-chaos-key.html


"When the quantum dynamics of the atom chain were measured, there were surprising oscillations that persisted for much longer than expected and which couldn't be explained.

Study co-author, Dr. Zlatko Papic, Lecturer in Theoretical Physics at Leeds, said: "The previous Harvard-MIT experiment created surprisingly robust oscillations that kept the atoms in a quantum state for an extended time. We found these oscillations to be rather puzzling because they suggested that atoms were somehow able to "remember" their initial configuration while still moving chaotically.

"Our goal was to understand more generally where such oscillations could come from, since oscillations signify some kind of coherence in a chaotic environment—and this is precisely what we want from a robust quantum computer. Our work suggests that these oscillations are due to a new physical phenomenon that we called 'quantum many-body scar'.""

Atomien ytimet laajenevat ja kierrättävät KAIKKIEN muiden laajenevien ytimien kanssa laajenevaa työntävää voimaa jolla on mm. laajenevien elektronien ja laajenevan valon luonne.

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