Open Positions

Ballistic Hot Brownian Motion


This PhD project shall explore the fluctuations of a single heated Brownian particle. In particular it shall determine with advanced optical techniques the nanosecond dynamics of such a particle with picometer spatial resolution to compare the kinetic temperature of Hot Brownian motion with the configurational temperature extracted in the long time limit. A close collaboration with theory will provide a fundamental framework for non-isothermal fluctuation and dissipation. [details]

Propulsion and Interaction of Hot Brownian Swimmers


The PhD student within this project shall explore the interactions between a well defined and controllable number of self-thermophoretic swimmers. The shapes of the swimmers range from simple spherical Janus-type particles to more complex objects with optically controlled 2D chirality. The studies will involve a new feedback-based steering technique for the particles, which will allow studies on the same system of particles for an extended time period. The project is a collaboration with the theory group of Prof. Klaus Kroy at the Universität Leipzig. A close interaction with theory group is expected. [details]

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