Theoretical Physics with Focus on Complex Fluids

PhD student (CRC 910)

Kim Kreienkamp

PhD student (CRC 910)

k.kreienkamp@tu-berlin.de

+49 30 314 28851

Organization name Insitute for Theoretical Physics
Office EW 7-1
Building EW
Room EW 268

Kim Kreienkamp is a PhD student at TU Berlin in the group of Prof. Dr. Sabine Klapp, where she investigates the intriguing collective dynamics and thermodynamics of active colloidal systems under the impact of time-delayed feedback control and non-reciprocal couplings.

Kim studied physics with a focus on statistical physics and complex systems at the University of Göttingen and finished her master’s degree with distinction in 2021. For her bachelor’s thesis she worked on the statistical analysis of velocity fluctuations in a model wind farm in the group of Prof. Dr. Michael Wilczek at the Max Planck institute for Dynamics and Self-organization. During her master’s degree she spent one semester abroad at the University of Technology Sydney. Kim returned to Michael Wilczek’s group at the Max Planck institute for Dynamics and Self-organization for her master’s thesis, working on the derivation and investigation of continuum models for active matter systems.

Research interests

  • Statistical Physics of non-equilibrium active matter systems

  • Dynamics of active colloidal systems under the impact of time-delayed feedback control and non-reciprocal couplings

  • Thermodynamics of non-equilibrium systems

  • Derivation of continuum equations for active suspensions from a microscopic description with non-reciprocal alignment couplings

  • Numerical simulation of continuum equations

Methods: Coarse-graining methods to derive continuum theory, Fokker-Planck equation, linear stability analysis, numerical pseudo-spectral method

Publications

  • K. L. Kreienkamp and S. H. L. Klapp
    Clustering and flocking of repulsive chiral active particles with non-reciprocal couplings
    Submitted (2022).
    arXiv: 2207.11072

  • K. L. Kreienkamp and M. Wilczek
    Modeling probability density functions of velocity fluctuations in wind farms
    Wind Energy 25, 985 (2022).
    doi: 10.1002/we.2707​​​​​​​

Talks

  • Invited seminar talk:
    Collective behavior of repulsive chiral active particles with non-reciprocal couplings
    University of Luxembourg, June 2022

Posters

  • Collective behavior of repulsive chiral active particles with non-reciprocal couplings
    French-German WE-Heraeus-Seminar on “Outstanding Challenges in Nonlinear Dynamics”, 2022, Les Houches, France

Awards

  • Best Poster Prize at the French-German WE-Heraeus-Seminar on “Outstanding Challenges in Nonlinear Dynamics”, 2022, Les Houches, France

Theses

  • Continuum models of active matter systems
    University of Göttingen & Max Planck Institute for Dynamics and Self-organization, 2021
    Prof. Dr. Michael Wilczek

  • Statistical analysis of velocity fluctuations in a model wind farm
    University of Göttingen & Max Planck Institute for Dynamics and Self-organization, 2018
    Prof. Dr. Michael Wilczek