Is Matter Wave Travel Faster Than the Speed of Light?

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Ismatter wave travel faster than velocity of light?:oldsurprised:
 
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akashpandey said:
Ismatter wave travel faster than velocity of light?:oldsurprised:
Can you tell us anything about why and/or how you are thinking about it? E.g. have you read it anywhere, and if so, a link to the source would be helpful...
 
I think what the OP means is that if you take the De Broglie wavelength h/mvγ and multiply by the frequency mc2γ/h, you get c2/v which is more than c. I also would like some more clarity as to exactly why this isn't a problem.
 
DennisN said:
Can you tell us anything about why and/or how you are thinking about it? E.g. have you read it anywhere, and if so, a link to the source would be helpful...
Yes i read this in my book
 
akashpandey said:
Yes i read this in my book
Which book?
 
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
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!
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