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?
 
We often see discussions about what QM and QFT mean, but hardly anything on just how fundamental they are to much of physics. To rectify that, see the following; https://www.cambridge.org/engage/api-gateway/coe/assets/orp/resource/item/66a6a6005101a2ffa86cdd48/original/a-derivation-of-maxwell-s-equations-from-first-principles.pdf 'Somewhat magically, if one then applies local gauge invariance to the Dirac Lagrangian, a field appears, and from this field it is possible to derive Maxwell’s...
I read Hanbury Brown and Twiss's experiment is using one beam but split into two to test their correlation. It said the traditional correlation test were using two beams........ This confused me, sorry. All the correlation tests I learnt such as Stern-Gerlash are using one beam? (Sorry if I am wrong) I was also told traditional interferometers are concerning about amplitude but Hanbury Brown and Twiss were concerning about intensity? Isn't the square of amplitude is the intensity? Please...
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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