Extended Data Fig. 9: Fitting parameters of the second-order polynomial fits \({{\boldsymbol{d}}}_{{\bf{1}}}{{\boldsymbol{B}}}_{{\boldsymbol{\parallel }}}{\boldsymbol{+}}{{\boldsymbol{d}}}_{{\bf{2}}}{{\boldsymbol{B}}}_{{\boldsymbol{\parallel }}}^{{\bf{2}}}\) to the experimental longitudinal Δ(dI/dV)B‖ shown in Fig. 3g.
From: Axionic charge-density wave in the Weyl semimetal (TaSe4)2I

a, d1. b, d2.