Dependence of spin susceptibility of a two-dimensional electron system on the valley degree of freedom

Y. P. Shkolnikov, K. Vakili, E. P. De Poortere +1

We report measurements of the spin susceptibility, $\chi \propto g_v{g}^{\ast }{m}^{\ast }$, in an AlAs two-dimensional electron system where, via the application of in-plane stress, we transfer elec…