New posts in Conventions

Tensor and Matrices

Does the quadratic mass term $\frac{1}{2}m^2\phi^2$ belong to the free Lagrangian or is it an interaction term?

Dirac equation without $i$

Why isn't there a minus sign in Ohm's law, $V = IR$?

Why does the chain yield in nuclear fission sum up to 200%?

Will the SI units need redefining ever again?

Does energy have a sign?

Can units be plural?

Writing an uncertainty of the form $8.3\pm1.2$ using 'parenthesis' notation similar to $5.9722(6)$

Why is Fourier space called as momentum space?