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17 December 2022 at 1:12 pm
#614730
Dr Andrew Smith
Participant
If the Xmas quiz is not challenging enough for you you might like to investigate the modern view of what a photon is.
They certainly don’t stream from a star to your eye and most states of the quantum em field don’t have a number operator (you can’t say how many photon it has) and to cap it all they don’t have a position operator (so can’t say where they are).
Try Googling “The concept of the Photon revisited ” for an interesting discussion. The text is quite accessible without the maths. The paper us by Muthukrishnan · 2003 ·
Regards Andrew
- This reply was modified 1 year, 11 months ago by Dr Andrew Smith.