Kalb-Ramond field strength
= Kalb-Ramond field strength
{c}
{title2=$H=dB$}
The three-form field strength of the <Kalb–Ramond field> is $H=dB$. Its components are $H_{mnp}=\partial_mB_{np}+\partial_nB_{pm}+\partial_pB_{mn}$. In flat spacetime the free equation is $\partial^mH_{mnp}=0$.