Abstract
The trace of the stress energy tensor is shown to be diagonal between two states whose total four-momenta are equal. Additional comments are made on certain matrix-elements of the time-derivative of the dilation charge.
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Roy, P. Partial diagonality of stress trace. Pramana - J. Phys 4, 55–57 (1975). https://doi.org/10.1007/BF02848036
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DOI: https://doi.org/10.1007/BF02848036