*Authors contribute equally

#Corresponding authors

Preprints

  1. Yongfeng Zhao#, Ruben Zakine, Adrian Daerr, Yariv Kafri, Julien Tailleur, Frédéric van Wijland, "Active Young-Dupré Equation: How Self-organized Currents Stabilize Partial Wetting", arXiv:2405.20651 (2024).
    2. Preprint

Published articles

  1. Yu’an Li, Yongfeng Zhao, Siyuan Yang, Min Tang#, and Hepeng Zhang#, "Biased Lévy walk enables light gradient sensing in Euglena gracilis", Phys. Rev. Lett. 134, 108301 (2025)
    2. Phys. Rev. Lett.
  2. Zihui Zhao, He Li, Yisong Yao, Yongfeng Zhao, Francesca Serra, Kyogo Kawaguchi, Hepeng Zhang, Masaki Sano#, "Integer topological defects offer a methodology to quantify and classify active cell monolayers", Nature Communications 16, 2452 (2025).
    3. Preprint, Nat. Commun.
  3. Yisong Yao, Zihui Zhao, He Li, Yongfeng Zhao, Hepeng Zhang, Masaki Sano#, "Active Nematics Reinforce the Ratchet Flow in Dense Environments Without Jamming", Adv. Sci. 2025, 2412750 (2025).
    4. Adv. Sci.
  4. Yongfeng Zhao, "Active particles in a tube: A generalized entropy potential approach", Phys. Rev. Research 7, 013015 (2025).
    5. Preprint, Phys. Rev. Research
  5. Zihui Zhao*, Yisong Yao*, He Li, Yongfeng Zhao, Yujia Wang, Hepeng Zhang, Hugues Chaté, Masaki Sano#, " Integer Topological Defects Reveal Effective Forces in Active Nematics", Phys. Rev. Lett. 133, 268301 (2024).
    6. Preprint, Phys. Rev. Lett.
  6. Christina Kurzthaler*,#, Yongfeng Zhao*,#, Nan Zhou, Jana Schwarz-Linek, Clemence Devailly, Jochen Arlt, Jian-Dong Huang, Wilson C. K. Poon, Thomas Franosch, Julien Tailleur#, Vincent A. Martinez#, "Characterization and Control of the Run-and-Tumble Dynamics of Escherichia Coli ", Phys. Rev. Lett. 132, 038302 (2024).
    7. Preprint, Phys. Rev. Lett.
  7. Yongfeng Zhao*,#, Christina Kurzthaler*,#, Nan Zhou, Jana Schwarz-Linek, Clemence Devailly, Jochen Arlt, Jian-Dong Huang, Wilson C. K. Poon, Thomas Franosch, Vincent A. Martinez, Julien Tailleur#, "Quantitative characterization of run-and-tumble statistics in bulk bacterial suspensions", Phys. Rev. E 109, 014612 (2024).
    8. Preprint, Phys. Rev. E
  8. Alberto Dinelli, Jérémy O'Byrne, Agnese Curatolo, Yongfeng Zhao, Peter Sollich, Julien Tailleur, "Non-reciprocity across scales in active mixtures", Nature Communications 14, 7035 (2023).
    9. Preprint, Nat. Commun.
  9. Zeng Tao Liu, Yan Shi, Yongfeng Zhao, Hugues Chaté#, Xia-qing Shi#, Tian Hui Zhang#, "Subcritical active matter: Activity waves and freestanding vortices", Proc. Natl. Acad. Sci. 118 (40) e2104724118 (2021).
    10. Proc. Natl. Acad. Sci.
  10. Siyuan Yang, Mingji Huang, Yongfeng Zhao, Hepeng Zhang#, "Controlling cell motion and microscale flow with polarized light fields", Phys. Rev. Lett. 126, 058001 (2021).
    11. Preprint, Phys. Rev. Lett.
  11. Ruben Zakine*, Yongfeng Zhao*, Miloš Knežević, Adrian Daerr, Yariv Kafri, Julien Tailleur, Frédéric van Wijland, "Surface Tensions between Active Fluids and Solid Interfaces: bare vs dressed", Phys. Rev. Lett. 124, 248003 (2020).
    12. Preprint, Phys. Rev. Lett., Poster
  12. Agnese I. Curatolo*, Nan Zhou*, Yongfeng Zhao*, Chenli Liu, Adrian Daerr, Julien Tailleur#, Jian-Dong Huang#, "Cooperative pattern formation in multi-component bacterial systems through reciprocal motility regulation", Nat. Phys. 16, 1152–1157 (2020).
    13. Preprint, Nat. Phys.
  13. Eric Woillez, Yongfeng Zhao, Yariv Kafri, Vivien Lecomte, Julien Tailleur, “Activated escape of a self-propelled particle from a metastable state”, Phys. Rev. Lett. 122, 258001 (2019).
    14. Preprint, Phys. Rev. Lett.
  14. Thibault Bertrand#, Yongfeng Zhao, Olivier Bénichou, Julien Tailleur, Raphaël Voituriez#, “Optimized Diffusion of Run-and-Tumble Particles in Crowded Environments”, Phys. Rev. Lett. 120, 198103 (2018).
    15. Preprint, Phys. Rev. Lett.

Book Chapters

  1. Jérémy O'Byrne, Alexandre Solon, Julien Tailleur#, Yongfeng Zhao, "An Introduction to Motility-Induced Phase Separation", Chapter in the book "Out-of-Equilibrium Soft Matter: Active Fluids". Editors: C. Kurzthaler, L. Gentile, H. A. Stone. Royal Society of Chemistry (2023)
    2. Preprint

PhD Thesis

Run-and-tumble Motion and Differential Dynamic Microscopy

hub.hku.hk link, the newest version with corrections, slides