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Results tagged with special-relativity
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user 116417
The special theory of relativity describes the motion and dynamics of objects moving at significant fractions of the speed of light.
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Derivation of the transformation law for spinors
I'm reading the book Quantum Field Theory: An Integrated Approach by Eduardo Fradkin, and I got stuck where the transformation law for spinors
$$
\psi'(x') = S(\Lambda) \psi(x)
$$
is derived.
In chapt …
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Relativistic energy density of a fluid in different frames
I have a fluid in a local inertial frame with stress-energy tensor $T^{\mu\nu}$. In another local inertial frame that is moving with velocity $u$ with respect to the first one, it is said that the ene …