Schrödinger Equation Time Propagators in HHG

Project information

In this project we implemented six time steppers to evolve the Schrödinger Equation wavefunction forwards in time. The system is acted upon by the application of a long infra red pulse. It is expected that the absorption of successive photons and a recollision with the parent substrate produces higher energy emission in form of multiples of the incident photon energy, a process known as High Harmonic Generation. It was first studied on atoms in the 2000s, and from the mid-to-late 2010s, the interest translated to solids, where new properties were discovered, namely a better scaling of the harmonic order population with the laser intensity.

physics

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