B Quantum microphone and phonons

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Phonons, as quasiparticles representing vibrations in solids, are discussed in relation to advanced levitation technology, though their role in sound-based levitation is questioned. The levitation effect primarily relies on sound waves exerting force against gravity, rather than quantum phenomena. However, phonons are crucial in the context of the Meissner effect, which involves magnetic levitation in superconductors, linking them to superconductivity through BCS theory. The conversation highlights the distinction between different types of levitation and the varying importance of phonons in each. Understanding phonons may enhance certain levitation technologies, but their necessity is not universal across all methods.
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Solomei said:
advanced levitation technology

What "advanced levitation technology" are you referring to?
 
Solomei said:
If we figure out more about phonons we might scale up the levitation abilities(?)

I couldn't say for sure, but the levitation itself doesn't seem to depend on any particularly quantum effects; it's just using sound to exert force on objects to counteract gravity. The quantum aspects of the sound don't seem to be important.
 
Solomei said:
Summary: Physicists count sound particles with quantum microphone

Interesting.

Solomei said:
Are phonons fundamental for advanced levitation technology?

Not the levitation effect you were thinking about in post #3, but there is the Meissner effect which is some sort of magnetic levitation in the presence of a superconductor, and phonons are essential there for the superconductivity - look up the BCS theory.
 

Thread 'Quantum Entanglement is a Kinematic Fact, not a Dynamical Effect'

Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
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