Potentials from ‘Virtual Particle’ Exchange

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Where does the Hamiltonian H come from? We cannot just invent it! More physics…

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We know that the potential energy part of the Hamiltonian really comes from field-theoretic virtual processes (photons, gluons, etc).

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What are these events?

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Kinetic energy, also, has a mass which is ‘dressed’ by virtual processes.

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