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Hello physicsforum,
As the topic name says, I would like to know if a photon forming electron-positron pairs spontaneously could or does affect it's speed. Correct me if I'm wrong, but photons do form these pairs (and heavier?) even without the correct amount of energy, right? And if they do, will they lose/gain speed because they turn into particles mass for a virtually small amount of time?
Or is the answer just something like: the energy uncertainty 'used' here is only possible in an amount of time that does not influence the universe at all?
Only definite answers please, or most accepted theories, else I won't have a good view of what the world is thinking.
Thanks in advance,
Evert
As the topic name says, I would like to know if a photon forming electron-positron pairs spontaneously could or does affect it's speed. Correct me if I'm wrong, but photons do form these pairs (and heavier?) even without the correct amount of energy, right? And if they do, will they lose/gain speed because they turn into particles mass for a virtually small amount of time?
Or is the answer just something like: the energy uncertainty 'used' here is only possible in an amount of time that does not influence the universe at all?
Only definite answers please, or most accepted theories, else I won't have a good view of what the world is thinking.
Thanks in advance,
Evert