Texture of SuperfluidHe3-Bin a Large Cylindrical Geometry nearTc

Transverse cw NMR has been performed on superfluid ${}_{}{}^3{}_{}{}^{}\mathrm{He}$-$B$ at 2.72 bars in a cylindrical bulk geometry (radius = 1 mm). The map of the temperature-dependent $n$ texture in the cylinder, $\hat{n}(\overrightarrow{\mathrm{r}}, T)$, is obtained by deconvolution of the NMR spectra. The textural free energy is obtained from $\hat{n}(\overrightarrow{\mathrm{r}}, T)$ and used to derive the magnetic bending coefficient $R_C{H}_B=(37.4\mathrm{}\pm 5){\epsilon }^{\frac{1}{2}}$ cm G, where $\epsilon =1-\frac{T}{T_c}$, revealing for the first time the Landau-Ginzburg character.