Modeling CeTe3 Charge Density Wave Order Parameter Dynamics

From condensed matter to cosmology, nonequilibrium phase transitions describe a variety of physical phenomena. In condensed matter, ultrafast measurement techniques are capable of unveiling exotic new quantum phases. These thermodynamically inaccessible states are generated during laser-driven phase transitions. However, the precise dynamics of such many body systems is difficult to model. Here, we model the order parameter dynamics of the spontaneous formation of a charge-density wave in the CeTe3 system via the time dependent Landau-Ginzburg equation. Using this toy model, we fit various aspects of the system including relaxation time, temperature, and experimental parameters such as laser fluence. Our results provide a platform for quick analysis of phase transitions of the CeTe3 charge density wave and phase transitions in other systems. We anticipate more rigorous models can be developed from this work, including modeling the phase transition via an effective field theory.