Symmetry-restoring crossover from defect-free to defect-laden turbulence in polar active matter
B.H. Andersen, J.B. Renaud, J. Rønning, L. Angheluta, A. Doostmohammadi, Physical Review Fluids 8 (2023).

Spontaneous flows and dynamics of full-integer topological defects in polar active matter
J. Rønning, J.B. Renaud, A. Doostmohammadi, L. Angheluta, Soft Matter 39 (2023) 7513–7527.