The $\gamma$-$\alpha$ iso-structural Transition in Cerium, a Critical Element
The $\gamma$-$\alpha$ iso-structural Transition in Cerium, a Critical Element
Below the critical temperature $T_c\simeq 600 K$, an iso-structural transition, named $\gamma$-$\alpha$ transition,can be induced in Cerium by applying pressure. This transition is first-order, and is accompanied by a sizable volume collapse. A conclusive theoretical explanation of this intriguing phenomenon has still not been achieved, and the physical pictures proposed …