APS Logo

Active Matter and Liquid Crystals in Biological and Bio-Inspired Systems II

FOCUS · M20 · ID: 46482

Presentations

  • Do active nematic self-mixing dynamics offer evolutionary benefits to growing bacterial colonies?

    ORAL · Invited

    –

    Presenters

    • Daniel A Beller

      University of California, Merced, Department of Physics, University of California, Merced; Department of Physics and Astronomy, Johns Hopkins University, Johns Hopkins University, University of California, Merced, and Department of Physics and Astronomy, Johns Hopkins University, Department of Physics, University of California, Merced and Department of Physics and Astronomy, Johns Hopkins University

    Authors

    • Daniel A Beller

      University of California, Merced, Department of Physics, University of California, Merced; Department of Physics and Astronomy, Johns Hopkins University, Johns Hopkins University, University of California, Merced, and Department of Physics and Astronomy, Johns Hopkins University, Department of Physics, University of California, Merced and Department of Physics and Astronomy, Johns Hopkins University

    • Fabian Jan Schwarzendahl

      Heinrich-Heine-Universität Düsseldorf

    View abstract →

  • Dense topological defects in weak active nematics

    ORAL

    –

    Presenters

    • Ivan Maryshev

      Ludwig-Maximilians-Universitaet (LMU-Mun, Ludwig-Maximilians-Universitaet (LMU-Munich)

    Authors

    • Ivan Maryshev

      Ludwig-Maximilians-Universitaet (LMU-Mun, Ludwig-Maximilians-Universitaet (LMU-Munich)

    • Timo Kruger

      Ludwig-Maximilians-Universitaet (LMU-Munich)

    • Erwin Frey

      Ludwig-Maximilians-Universitaet (LMU-Munich), Arnold Sommerfeld Center for Theoretical Physics and Center for NanoScience, Department of Physics, Ludwig-Maximilians-Universität München, Theresienstraße 37, D-80333 München

    View abstract →

  • Hierarchical self-organization in signaling polar active matter

    ORAL

    –

    Presenters

    • Alexander Ziepke

      Ludwig-Maximilians University Munich

    Authors

    • Alexander Ziepke

      Ludwig-Maximilians University Munich

    • Ivan Maryshev

      Ludwig-Maximilians-Universitaet (LMU-Mun, Ludwig-Maximilians-Universitaet (LMU-Munich)

    • Igor S Aronson

      Argonne National Laboratory

    • Erwin Frey

      Ludwig-Maximilians-Universitaet (LMU-Munich), Arnold Sommerfeld Center for Theoretical Physics and Center for NanoScience, Department of Physics, Ludwig-Maximilians-Universität München, Theresienstraße 37, D-80333 München

    View abstract →

  • Spatial control of topological defects through activity patterning

    ORAL

    –

    Presenters

    • Luca V Scharrer

      University of California, Santa Barbara

    Authors

    • Luca V Scharrer

      University of California, Santa Barbara

    • Mark J Bowick

      University of California, Santa Barbara

    • Cristina Marchetti

      University of California, Santa Barbara, University of California Santa Barbara

    • Suraj Shankar

      Harvard University

    View abstract →

  • Two-temperature activity drives liquid-crystal and crystalline order in soft repulsive spherocylinders

    ORAL

    –

    Publication: Heating leads to liquid-crystal and crystalline order in a two-temperature active fluid of rods, J. Chattopadhyay, S. S. P. Sivajothi, K. Varma, S. Ramaswamy, C. Dasgupta and P. K. Maiti, arXiv:2105.04571 (2021)

    Presenters

    • Jayeeta Chattopadhyay

      Indian Institute of Science

    Authors

    • Jayeeta Chattopadhyay

      Indian Institute of Science

    • Sindhana Pannir-Sivajothi

      Indian Institute of Science, Bangalore 560012, India

    • Kaarthik Varma

      Indian Institute of Science, Bangalore 560012, India

    • Sriram R Ramaswamy

      Indian Institute of Science Bangalore, Indian Institute of Science, Bangalore 560012, India

    • Chandan Dasgupta

      Indian Institute of Science Bangalore, Indian Institute of Science, Bangalore 560012, India

    • Prabal K Maiti

      Indian Institute of Science, Bangalore, Indian Institute of Science, Bangalore, India, Indian Institute of Science, Bangalore 560012, India, Indian Instiute of Science

    View abstract →

  • Buckling Instability in 3D Active Nematics

    ORAL

    –

    Publication: - Wrinkling instability in 3D active nematics, T. Struebing et al., Nano Lett., 20, 9, 6281–6288 (2020)<br>- Tuning the Properties of Active Microtubule Networks by Depletion Forces, V. Nasirimarekani et al., Langmuir, 37, 7919–792 (2021)

    Presenters

    • Isabella Guido

      Max Planck Institute for Dynamics and Self-Organization

    Authors

    • Tobias Struebing

      University of Goettingen, Germany

    • Amir Khosravanizadeh

      Institute for Advanced Studies in Basic Sciences, Zanjan, Iran

    • Andrej Vilfan

      Max Planck Institute for Dynamics and Self-Organization

    • Eberhard Bodenschatz

      Max Planck Institute for Dynamics and Self-Organization

    • Ramin Golestanian

      Max Planck Institute for Dynamics and Self-Organization

    • Isabella Guido

      Max Planck Institute for Dynamics and Self-Organization

    View abstract →

  • Interplay of Driven Flow and Active Stress in Tumbling Nematic Liquids

    ORAL

    –

    Publication: Wang W, Zhang R. Interplay of Active Stress and Driven Flow in Self-Assembled, Tumbling Active Nematics[J]. Crystals, 2021, 11(9): 1071.

    Presenters

    • Weiqiang WANG

      Hong Kong University of Science and Technology

    Authors

    • Weiqiang WANG

      Hong Kong University of Science and Technology

    • Rui Zhang

      Hong Kong University of Science and Technology, The Hong Kong University of Science and Technology

    View abstract →

  • Density-dependent collective behaviour in Chlamydomonas reinhardtii

    ORAL

    –

    Publication: Reentrant Efficiency of Phototaxis in Chlamydomonas reinhardtii Cells, S. K. Choudhary, A. Baskaran, and P. Sharma, Biophys. J. 117, 1508 (2019).

    Presenters

    • Sujeet K Choudhary

      Indian Institute of Science Bangalore

    Authors

    • Sujeet K Choudhary

      Indian Institute of Science Bangalore

    • Aparna Baskaran

      Brandeis University, Brandeis Univ

    • Prerna Sharma

      Indian Institute of Science Bangalore

    View abstract →

  • Universal scaling in the turbulence of active flow-aligning nematics

    ORAL

    –

    Publication: [1] Alert, R., Casademunt, J., & Joanny, J. F. (2021). Active Turbulence. arXiv preprint arXiv:2104.02122.<br> (to appear in Annu. Rev. Condens. Matter Phys).<br>[2] Alert, R., Joanny, J. F., & Casademunt, J. (2020). Universal scaling of active nematic turbulence. Nature Physics, 16(6), 682-688.<br>[3] Lavi, I., Alert R., Joanny, J.F., & Casademunt, J. (2021). Universal scaling in the turbulence of active flow-aligning nematics (in preparation).

    Presenters

    • Ido Lavi

      Univ de Barcelona

    Authors

    • Ido Lavi

      Univ de Barcelona

    • Ricard Alert

      Max Planck Institute for the Physics of, Max Planck Institute for the physics of complex systems

    • Jean-François Joanny

      Collège de France

    • Jaume Casademunt

      Univ de Barcelona

    View abstract →