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Radiative pressure tensor


Radiative pressure tensor

Affine orthogonal second-rank symmetrical tensor whose diagonal components are normal radiative pressures and whose off-diagonal components are tangential pressures acting in areas perpendicular to the corresponding coordinate axes.

Comment. In the state of thermodynamic equilibrium the pressure tensor degenerates to the scalar pressure of equilibrium radiation, which is the same for all points and all possible orientations of the area.

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