52):
$\mathbf{T}=T_{rr}\mathbf{e}_r\otimes\mathbf{e}_r+T_{\varphi\varphi}\mathbf{e}_{\varphi}\otimes\mathbf{e}_{\varphi}+T_{r\varphi}(\mathbf{e}_r\otimes\mathbf{e}_{\varphi}+\mathbf{e}_{\varphi}\otimes\mathbf{e}_r)+T_{zz}\mathbf{k}\otimes\mathbf{k}$
Now, we need
Show more…