Эффект Яна-Теллера в веществах, в том числе используемых в медицине

Symmetry of nuclear configuration can be lowered in the case of orbital electron degeneracy. The Jahn-Teller and pseudo-Jahn-Teller effects define the form of molecules and crystals. Preparation experimental for determining the velocity and attenuation of ultrasound at low temperatures (~ 1.4 K) is in process now.