Martin Luther University Halle-Wittenberg

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Light-matter interaction

Non-equilibrium charge dynamics in nano- and mesoscopic structures

The aim of these studies is the generation and control of charge currents and charge polarization of confined electronic systems by sculpturing appropriately the properties of the driving field.

Field-induced molecular alignment and orientation

We use standard methods of quantum dynamics and non-linear physics to figure out the optimal fields for inducing in gas-phase and surface-deposited polar molecules an alignment or an orientation of the molecular axis with respect a predefined external direction.

Radiation characteristics of nanoscopic structures

Using standard density-matrix and quantum electrodynamics methods we investigate the emission spectrum of semiconductor-based nanostructures such as nanorings and nanocrystals.

Quantum evolution and geometry

We look at the interrelation between the properties of driven quantum systems and geometric phases as well as the underlying classical dynamics.

Strong field physics

We inspect the behaviour of atomic and elementary particles exposed to high-intensity laser fields.