The Energy-Mass Relation in Non-Relativistic Field Theory and E=mc2
- 1 February 1987
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics
- Vol. 77 (2) , 229-231
- https://doi.org/10.1143/ptp.77.229
Abstract
The relation between the momentum density and the energy density flow in some non-relativistic fields is examined. Using the energy and momentum continuity equations we show the E (x)/cs2 acts as the mass density, where E (x) is the energy density and cs the phase velocity.Keywords
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