https://www.youtube.com/watch?v=sXEtgMSOmDA
So why would the Photon be its OWN-anti-photon? Because the SPIN as magnetic moment is not the charge. So the source of the Photon spin is due to supermomentum and not mass with charge.
Towards an Improved Test of the Standard Model’s Most Precise Prediction
https://physics.stackexchange.com/questions/189415/why-is-a-photon-its-own-anti-photon
Photons are electrically neutral, so there is no need for "anti-photons" to preserve conservation of charge.
Take a massive particle, say a spin-1/2 electron moving away from us with its spin measured to be +1/2 in the direction of it's motion. Now, because the electron cannot move at the speed of light, then we can move to a frame of reference ahead of the electron, we look back and see the same electron now having a spin of -1/2.
Now try the same trick with a photon with a helicity measured to be 1. We can't move to a frame of reference faster than the speed of light, so for all observers this helicity must be invariant.
Are there any other properties unique to photons that I have not considered?
What you haven't considered is Dirac's belt, wherein "a Mobius strip is reminiscent of spin-1/2 particles in quantum mechanics, since such particles must be rotated through two complete rotations in order to be restored to their original state". When you make your photon go round and round a twisted Mobius path rather than move linearly, then the motion of the wave can have one of two chiralities. See the Mobius strip article on Wikipedia: "the Möbius strip is a chiral object with right- or left-handedness". Also see the Wikipedia spinor article, and there's the Mobius strip again:
Dr. Gabrielse INSISTS THERE IS NO NEGATIVE TIME but only a reversal of space (as time)!!
Wow - truly fascinating and I disagree.
Sir Roger Penrose states that Time as the origin of the Universe is highly coherent and ASYMMETRIC and that the accelerating Universe is the NEW origin of the next Big Bang - that is our PAST as space (going in the reverse direction of space!!).
So we are looking into our own black hole origin when we see the acceleration of time into the future.
Olivier Costa de Beauregard disagrees about the "no negative time" claim because as per quantum mechanics he thinks Precognition is real. thanks
Jack Sarfatti on Dark Energy as Signals from Our Future -
That future sphere is our Hologram - it's projecting wheel - we are being projected BACK from the future - the future ALSO creates the Big Bang!
two parties can compare long strings of bits exponentially more efficiently when transmitting bits in both directions at once rather than in a fixed causal order — an advantage proposed by Brukner and co-authors in 2016. A different group in Hefei reported in January that, whereas engines normally need a hot and cold reservoir to work, with a quantum switch they could extract heat from reservoirs of equal temperature — a surprising use suggested a year ago by Oxford theorists.
https://www.quantamagazine.org/quantum-mischief-rewrites-the-laws-of-cause-and-effect-20210311/
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