Anisotropy of nonlinear-optics response of aluminum single crystal
Akhmanov S. A., Govorkov S. V., Koroteev N. I. , Petrov G. I., Shumai I. L., Yakovlev V. V.
A pronounced anisotropy has been observed in the nonlinear-optics response of 3s and 3p electrons in an aluminum single crystal. A corresponding theory is derived.