D1-brane (source code)

= D1-brane
{c}
{title2=$T_{D1}=1/(2\pi g_s\alpha')$}

= D-string
{c}
{synonym}

A <D1-brane> has one spatial dimension and couples to the two-form <Ramond–Ramond potential>. Its tension differs from the <fundamental string> tension by a factor $g_s^{-1}$ at zero axion.