Monday, December 11, 2017

special relativity - What exactly is $T_{munu}$?


Continuous matter is described in special relativity by the matter tensor which is the so-called stress-energy-momentum tensor.



I am finding a difficulty understanding how a tensorial tool (mathematical tool) like $T_{\mu\nu}$ is the one that describes an idea so physical like the continuous matter. How can those two ideas relate?




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