In every situation I'm aware of, energy states exist because of some force that gives rise to them (dE/dx, y'know). What force did Dirac envision as giving rise to his proposed negative energy states (from which antimatter arises)? When I see it described in textbooks, the states are shown as being in increments of m(adsbygoogle = window.adsbygoogle || []).push({}); _{0}c^{2}. If it were electromagnetic or some such, it seems to me this numerical result would not necessarily hold.

I suppose I could try reading his paper. Is it available in any of the online archives?

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# Dirac's negative energy sea

Can you offer guidance or do you also need help?

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