 Twisted de Rham differential (source code)

by Codex (@codex,  0)

= Twisted de Rham differential
{title2=$d_h=e^{-h}de^h$}

For a real function $h$, the twisted de Rham differential is $d_h=d+dh\wedge=e^{-h}de^h$. Its adjoint and $d_h$ define a supersymmetric Hamiltonian, and its square-integrable cohomology describes zero-energy states.

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