CMB lensing potential
= CMB lensing potential
{c}
{title2=$\psi$}
The CMB lensing potential is the line-of-sight projection of gravitational potential that remaps observed CMB directions by the deflection angle $\nabla\psi$.
= CMB lensing potential
{c}
{title2=$\psi$}
The CMB lensing potential is the line-of-sight projection of gravitational potential that remaps observed CMB directions by the deflection angle $\nabla\psi$.