# Publications

## 2021

### Under Review

*Symmetry, Thermodynamics and Topology in Active Matter*, Mark J. Bowick, Nikta Fakhri, M. Cristina Marchetti and Sriram Ramaswamy

*Alignment interactions drive structural transitions in biological tissues*, Matteo Paoluzzi, Luca Angelani, Giorgio Gosti, M. Cristina Marchetti, Ignacio Pagonabarraga and Giancarlo Ruocco

*How does the extracellular matrix affect the rigidity of an embedded spheroid?* A. Parker, M.C. Marchetti, M.L. Manning, J.M. Schwarz

*Multi-defect Dynamics in Active Nematics*, F. Vafa, M.J. Bowick, M.C. Marchetti, B. I. Shraiman

### To appear or published

*Topological active matter*, Suraj Shankar, Anton Souslov, Mark J. Bowick, M. Cristina Marchetti and Vincenzo Vitelli, to appear in Nature Physics Reviews

*The role of fluid flow in the dynamics of active nematic defects*, Luiza Angheluta, Zhitao Chen, M. Cristina Marchetti, Mark J. Bowick, *New Journal of Physics* **23**, 033009 (2021)

*Fluctuations can induce local nematic order and extensile stress in monolayers of motile cells*, Farzan Vafa, Mark J. Bowick, Boris I. Shraiman and M. Cristina Marchetti, *Soft Matter* **17**, 3068-3073 (2021)

*Poisson-bracket formulation of the dynamics of fluids of deformable particles*, Arthur Hernandez and M. Cristina Marchetti, *Physical Review E* **103**, 032612 (2021)

*Viscoelasticity enables self-organization of bacterial active matter in space and time,* S Liu, S. Shankar, M.C. Marchetti, Y. Wu, *Nature* **590**, 80-84 (2021)

## 2020

*Emergence of dynamic vortex glasses in disordered polar active fluids*, A. Chardac, S. Shankar, M.C. Marchetti and D. Bartolo, *Proceedings of the National Academy of Sciences* **118**, e2018218118 (2020)

*Nonreciprocity as a generic route to traveling states*, Zhihong You, Aparna Baskaran and M. Cristina Marchetti, *Proceedings of the National Academy of Sciences* **117**, 19767-19772 (2020)

*Shape and size changes of adherent elastic epithelia*, B. Loewe, F. Serafin, S. Shankar, M.J. Bowick and M.C. Marchetti, *Soft Matter* **16**, 5282-5293 (2020)

*Information and motility exchange in collectives of active particles*, M. Paoluzzi, M. Leoni and M.C. Marchetti, *Soft Matter* **16**, 6317-6327 (2020)

*Solid-Liquid Transition of Deformable and Overlapping Active Particles*, B. Loewe, M. Chiang, D. Marenduzzo and M.C. Marchetti, *Physical Review Letters* **125**, 038003 (2020)

*Small-scale demixing in confluent biological tissues*, P. Sahu, D. M. Sussman, M. Rübsam, A. F. Mertz, V. Horsley, E. R. Dufresne, C. M. Niessen, M. C. Marchetti, M. L. Manning, J. M. Schwarz, *Soft Matter* **16**, 3325-3337 (2020)

*Condensate formation and multiscale dynamics in two-dimensional active suspensions*, M. Linkmann, G. Boffetta , M. C. Marchetti and B. Eckhardt, *Physical Review E* **101**, 022609 (2020)

*Swimmer suspensions on substrates: anomalous stability and long-range order*, A. Maitra, P. Srivastava, M. C. Marchetti, S. Ramaswamy, and M. Lenz, *Physical Review Letters* **124**, 028002 (2020)

## 2019

*Hydrodynamics of active defects: from order to chaos to defect ordering*, S. Shankar and M. C. Marchetti, *Physical Review X* **9**, 041047 (2019)

*Glassy Dynamics in Models of Confluent Tissue with Mitosis and Apoptosis*, M. Czajkowski, D. M. Sussman, M. C. Marchetti, M. L. Manning, *Soft Matter* **15**, 9133-9149 (2019)

*A self-driven phase transition drives Myxococcus xanthus aggregation*, G. Liu, A. Patch, Fatmagül Bahar, David Yllanes, Roy Welch, M. Cristina Marchetti, Shashi Thutupalli and Joshua Shaevitz, Phys. Rev. Lett. **122**, 248102 (2019).

*Continuum models of collective cell migration*, S. Banerjeee and M. C. Marchetti. Invited contribution to the book "Cell migrations: causes and function” edited by C. La Porta and S. Zapperi, Springer-Nature in the Advances in Experimental Medicine and Biology (AEMB) Book Series.

*Phase Transition to Large Scale Coherent Structures in Two-Dimensional Active Matter Turbulence*, M. Linkmann, G. Boffetta , M. C. Marchetti and B. Eckhardt, Phys. Rev. Lett. **122**, 214503 (2019).

## 2018

*Fractal aggregation of active particles*, Matteo Paoluzzi, Marco Leoni and M. Cristina Marchetti, Phys. Rev. E **98**, 052603 (2018).

*Hidden entropy production and work fluctuations in an active gas*, S. Shankar and M.C. Marchetti, Phys. Rev. E 98, 020604(R) (2018).

*Curvature-dependent tension and tangential flows at the interface of motility-induced phases*, A. Patch, D. Yllanes, D.M. Sussman and M.C. Marchetti, Soft Matter **14**, 7435-7445 (2018).

*Defect unbinding in active nematics*, S. Shankar, S. Ramaswamy, M.C. Marchetti and M.J. Bowick, Phys. Rev. Lett. **121**, 108002 (2018).

*Soft yet sharp interfaces in a vertex model of confluent tissue*, D. M. Sussman, J. M. Schwarz, M. C. Marchetti and M. L. Manning, Phys. Rev. Lett. **120**, 058001 (2018, with a Synopsis in *Physics.*

*Hydrodynamics of shape-driven rigidity transitionsin motile tissues*, M. Czajkowski, M. L. Manning, and M. C. Marchetti, Soft Matter **14**, 5628-5642 (2018).

*Anomalous glassy dynamics in simple models of dense biological tissues*, Daniel M. Sussman, M. Paoluzzi, M. Cristina Marchetti, M. Lisa Manning, Europhys. Lett. **121**, 36001 (2018).

*The statistical physics of active matter: from self-catalytic colloids to living cells*, E. Fodor and M. Cristina Marchetti, Lecture notes for the 2017 international summer school "Fundamental Problems in Statistical Physics" Physica A: Statistical mechanics and Its Applications, 0378 (2018).

*Dynamical patterns in active nematics on a sphere*, S. Henkes, M. C. Marchetti and R. Sknepnek, Phys. Rev. E **97**, 042605 (2018).

*Flocking transition in confluent tissues*, F. Giavazzi, M. Paoluzzi, G. Scita, M.L. Manning, R. Cerbino, and M. C. Marchetti, Soft Matter **14**, 3471 – 3477(2018).

*The low noise phase of a 2d active nematic*, Suraj Shankar, Sriram Ramaswamy and M. Cristina Marchetti, Phys. Rev. E **97**, 012707 (2018).

*Geometric frustration and solid-solid transitions in model 2D tissue*, Michael Moshe, Mark J. Bowick, and M. Cristina Marchetti, Phys. Rev. Lett. **120**, 268105 (2018).

*A nonequilibrium force can stabilize 2D active nematics*, A. Maitra, J. Lintovuori, M. C. Marchetti, S. Ramaswamy, P. Srivastava, and M. Lenz, PNAS **115**, 6934-6939 (2018).

## 2017

*How many dissenters does it take to disorder a flock?* David Yllanes, Marco Leoni and M. C. Marchetti, New J. Phys. **19** 103026 (2017).

*Topological sound and flocking on curved surfaces*, Suraj Shankar, Mark J. Bowick, and M. Cristina Marchetti, Phys. Rev. X **7** 031039 (2017). Highlighted with a Synopsis in *Physics*.

*Correlating cell shape and cellular stress in motile confluent tissue*, X. Yang, D. Bi, M. Czajkowski, M. Merkel, M. L. Manning, and M. C. Marchetti, PNAS **114**,12663 (2017).

*Kinetics of Motility-Induced Phase Separation and Swim Pressure*, A. Patch, D. Yllanes and M. C. Marchetti, Phys. Rev. E **95**, 012601 (2017).

*Defect Driven Shapes in Nematic Droplets: Analogies with Cell Division*, M. Leoni, O. V. Manyuhina, M. J. Bowick and M. C. Marchetti, Soft Matter **13**, 1257 (2017).

## 2016

*Negative stiffness and modulated states in active nematics*, Srivastava, P. Mishra and M. C. Marchetti, Soft Matter **12**, 8214-8225 (2016).

*Probing the shear viscosity of an active nematic film*, Pau Guillamat, Jordi Ignés-Mullol, Suraj Shankar, M. Cristina Marchetti, and Francesc Sagués, Phys. Rev. E 94, 060602(R)(2016).

*Shape and Displacement Fluctuations in Soft Vesicles Filled by Active Particles*, Paoluzzi, R. Di Leonardo, M. Cristina Marchetti and L. Angelani, Scientific Reports **6**, 31346 (2016).

*Correlation lengths in hydrodynamic models of active nematics*, E. J. Hemingway, P. Mishra, S. M. Fielding and M. C. Marchetti, Soft Matter **12**, 7943-7952 (2016).

*Minimal model of active colloids highlights the role of mechanical interactions in controlling the emergent behavior of active matter*, M. C. Marchetti, Y. Fily, S. Henkes, A. Patch and D. Yllanes, Current Opinion in Colloid & Interface Science **21**, 34-43 (2016).

*Cellular contraction and polarization drive collective cellular motion*, J. Notbohm, S. Banerjee, K. Utuje, B. Gweon, H. Jang, Y. Park, J. Shin, J. Butler, J. J. Fredberg, M. C. Marchetti, Biophys. J. **110**, 2729 (2016).

*A quantitative model for motility-driven glass transition in biological tissues*, D. Bi, X. Yang, M.C. Marchetti and M. L. Manning, Physical Review X **6**, 021011 (2016).

*Minimal model of active colloids highlights the role of mechanical interactions in controlling the emergent behavior of active matter*, M. C. Marchetti, Y. Fily, S. Henkes, A. Patch and D. Yllanes, Current Opinion in Colloid & Interface Science **21**, 34-43 (2016).

## 2015

*Frictionless Fluids from Bacterial Teamwork*, M. C. Marchetti, Nature News & Views, 525, **37** (2015).

*Comparison between Smoluchowski and Boltzmann approaches for self-propelled rods*, E. Bertin, A Baskaran, H. Chaté, and M. C. Marchetti, Phys. Rev. E **92**, 042141 (2015).

*Hydrodynamics of Turning Flocks*, X. Yang and M. C. Marchetti, Phys. Rev. Lett. **115**, 258101 (2015).

*Viral nematics in confined geometries*, O. Manyuhina, K. Lawlor, M. C. Marchetti and M. J. Bowick, Soft Matter **11**, 6099 (2015).

*Propagating stress waves during epithelial expansion*, Shiladitya Banerjee, Kazage J. C. Utuje, and M. Cristina Marchetti, Phys. Rev. Lett. **114**, 228101 (2015). **Selected as Editor’s choice.**

*Opportunities in Theoretical and Computational Polymeric Materials and Soft Matter*, Andrea Liu, Gary Grest, M. Cristina Marchetti, Greg Grason, Mark Robbins, Michael Rubinstein, and Monica Olvera de la Cruz, Soft Matter **11**, 2326-2332 (2015). This article is part of the themed collection: 2015 most accessed Soft Matter articles.

*Active Viscoelastic Matter: from Bacterial Drag Reduction to Turbulent Solids*, E. Hemingway, A. Maitra, S, Banerjee, M. C. Marchetti, S. Ramaswamy, S. M. Fielding, and M. E. Cates, Phys. Rev. Lett. **114**, 098302 (2015).

## 2014

*Perspectives in Active Liquid Crystals*, Apala Majumdar, M. Cristina Marchetti and Epifanio Virga, to appear in Philosophical Transactions of Royal Society A (2014).

*Topology and dynamics of active nematic vesicles*, Felix C. Keber, Etienne Loiseau, Tim Sanchez, Stephen J. DeCamp, Luca Giomi, Mark J. Bowick, M. Cristina Marchetti, Zvonimir Dogic, Andreas R. Bausch, published in Science (2014).**This article was featured on the cover of the September 5, 2014 issue of Science**

*Aggregation and Segregation of Confined Active Particles*, X. Yang, M. L. Manning and M. C. Marchetti, Soft Matter **10**, 6477-6484 (2014).

*Defect dynamics in active nematics*, Luca Giomi, Mark J. Bowick, Prashant Mishra, Rastko Sknepnek and M. Cristina Marchetti, to appear in Philosophical Transactions of Royal Society A (2014).

*How Cellular Geometry Regulates Traction Stresses in Adherent Cells*, P. W. Oakes, S. Banerjee, M. C. Marchetti, and M. L. Gardel, Biophysical Journal 106, 234a

*Freezing and phase separation of self-propelled disks*, Y. Fily, S. Henkes and M. C. Marchetti, Soft Matter **10**, 2132-2140 (2014).

*Optimal shapes and stresses of adherent cells on patterned substrates*, S. Banerjee, Rastko Sknepnek and M. C. Marchetti, Soft Matter **10** (14), 2424 – 2430 (2014)

*Spiral and never-settling patterns in active suspensions*, X. Yang, D. Marenduzzo and M. C. Marchetti, Phys. Rev. E **89 **, 012711 (2014).

## 2013

*Defect annihilation and proliferation in active nematics*, L. Giomi, M. J. Bowick, X. Ma and M. C. Marchetti, Phys Rev Lett. **110**, 228101 (2013).

*Hydrodynamics of Soft Active Matter*, M. C. Marchetti, J.-F. Joanny, S. Ramaswamy, T. B. Liverpool, J. Prost, M. Rao and R. A. Simha, to appear in Rev. Mod. Phys. (2103).

*Controlling cell-matrix traction forces by extracellular geometry*, S. Banerjee and M. C. Marchetti, N. J. Phys. **15**, 035015 (2013).

## 2012

*Cadherin-Based Intercellular Adhesions Organize Epithelial Cell-Matrix Traction Forces*, A. F. Mertz, Y. Che, S. Banerjee, J. Goldstein, K. R. Rosowski, C. N. Niessen, M. C. Marchetti, E. R. Dufresne and V. Horsley, Proc. Nat. Acad. Sci. USA **110**, 842-847 (2012).

*Active matter: Spontaneous flows and self-propelled drops*, M. C. Marchetti, Nature News & Views 491 , 340 (2012).

*Self-regulation in Self-Propelled Nematic Fluids*, A. Baskaran and M. C. Marchetti, EPJE **35**, 95 (2012).

*Contractile stresses in cohesive cell layers on finite-thickness substrates*, S. Banerjee, and M. C. Marchetti, Phys. Rev. Lett. 109 , 108101 (2012).

*Pattern formation in self-propelled particles with density-dependent motility*, F. D. C. Farrell, J. Tailleur, D. Marenduzzo and M. C. Marchetti, Physical Review Letters **108**, 248101 (2012).

*Athermal Phase Separation of Self-Propelled Particles with no Alignment*, Y. Fily and M. C. Marchetti, Phys. Rev. Lett. **108**, 235702 (2012).

*Active Surface Tension of Cohesive Cell Colonies*, A. F. Mertz, S. Banerjee, Y. Che, G. K. German, M. C. Marchetti, V. Horsley, and E. R. Dufresne, Phys. Rev. Lett. **108**, 198101 (2012).

*Dynamical Self-regulation in Self-Propelled Particles Flows*, A. Gopinath, M. F. Hagan, M. C. Marchetti and A. Baskaran, Phys. Rev. E **85**, 061903 (2012).

*Polar Patterns in Active Fluids*, L. Giomi and M. C. Marchetti, Soft Matter **8** (1), 129-139 (2012).

*Scaling of Traction Forces with Size of Cohesive Cell Colonies*, A. F. Mertz, S. Banerjee, Y. Che, G. K. German, Y. Xu, C. Hyland, M. C. Marchetti, V. Horsley and E. R. Dufresne, Phys. Rev. Lett. **108**, 198101 (2012).

*Cooperative Self-Propulsion of Active and Passive Rotors*, Y. Fily, A Baskaran and M. C. Marchetti, Soft Matter **8** (10), 3002 – 3009 (2012).

## 2011

*Instabilities and Oscillations in Isotropic Active Gels*, S. Banerjee and M. C. Marchetti, Soft Matter **7**, 463-473 (2011).

*Motor-driven Dynamics of Cytoskeletal Filaments in Motility Assays*, S. Banerjee, M. C. Marchetti, K. Müller-Nedebock, Phys. Rev. E **84**, 011914 (2011).

*Substrate rigidity deforms and polarizes active gels*, S. Banerjee and M. C. Marchetti, Europhys. Lett. **96**, 28003 (2011).

*Active Jamming: Self-propelled soft particles at high density*, S. Henkes, Y. Fily and M. C. Marchetti, Phys. Rev E **84**, 040301 (2011).

*Generic phases of cross-linked active gels: Relaxation, Oscillation and Contractility*, S. Banerjee, T. B. Liverpool and M. C. Marchetti, Europhys. Lett. **96**, 58004 (2011).

## 2010

*Sheared active fluids: thickening, thinning and vanishing viscosity*, L.Giomi, T. B. Liverpool and M. Cristina Marchetti, Phys. Rev. E **81**, 051908 (2010) .

*Fluctuations and Pattern Formation in Self-Propelled Particles*, S. Mishra, A. Baskaran and M. Cristina Marchetti, Phys. Rev. E **81**, 061916 (2010).

*Nonequilibrium Statistical Mechanics of Self-propelled Hard Rods*, A. Baskaran and M. Cristina Marchetti, J. Stat. Mech: Theory and Experiments, P04019 (2010).

## 2009

*Mechanical response of active gels*, T. B. Liverpool, M. C. Marchetti, J.-F. Joanny and J. Prost, EuroPhys. Lett. **85**, 18007 (2009).

*Pak3 inhibits local actin filament formation to regulate global cell polarity*, Y. Asano, A. Jimenez-Dalmaroni, T. B. Liverpool, M. C. Marchetti, L. Giomi, A. Kiger, T. Duke, B. Baum, HFSP Journal **3**, 194-203 (2009).

*Statistical mechanics and hydrodynamics of Bacterial Suspensions*, Aparna Baskaran and M. Cristina Marchetti, Proc. Nat. Acad. Sci. **106**, 15567-15572 (2009).

## 2008

*Hydrodynamics of self-propelled hard rods*, A, Baskaran and M. C. Marchetti, Phys. Rev. E **77**, 011920 (2008) (10 pages).

*Mode-Locking in Driven Disordered Systems as a Boundary-Value Problem*, W. Kung and M. C. Marchetti, J. Stat. Phys. **132**, 945 (2008).

*Depinning in a two-layer model of plastic flow*, P. Le Doussal, M. C. Marchetti, K. J. Wiese, Phys. Rev. B **78**, 224201 (2008). (28 pages).

*Complex Spontaneous Flows and Concentration Banding in Active Polar Films*, Luca Giomi, M. Cristina Marchetti, Tanniemola B. Liverpool, Phys. Rev. Lett. **101**, 198101 (2008).

*Enhanced diffusion and ordering of self-propelled rods*, Aparna Baskaran and M. Cristina Marchetti, Phys. Rev. Lett. **101**, 268101 (2008).

## 2007

*Poisson-Bracket Approach to the Dynamics of Bent-Core Molecules*, W. Kung and M. C. Marchetti, Phys. Rev. E **76** (2007) 011710. (16 pages)

*Hydrodynamic and rheology of active polar filaments*, T. B. Liverpool and M. C. Marchetti, in “Cell Motility”, P. Lenz editor (Springer, New York, 2007). (30 pages).

## 2006

*Depinning and plasticity of driven disordered lattices*, M. C. Marchetti, in Jamming, Yielding, and Irreversible Deformations in Condensed Matter, M.-C. Miguel and M. Rubi, eds.(Springer-Verlag, Berlin, 2006).

*Weak point disorder in strongly fluctuating flux-line liquids*, P. Benetatos and M. C. Marchetti, Pramana **66**, (2006).

*Hydrodynamics of Polar Liquid Crystals*, W. Kung, M. C. Marchetti and K. Saunders, Phys. Rev. E **73**, 31708 (2006).

*Hydrodynamics of isotropic and ordered active motor-filament mixtures*, A. Ahmadi, M. C. Marchetti and T. B. Liverpool, Phys. Rev. E **74**, 061913 (2006).

*Rheology of active filament solutions*, T. B. Liverpool and M. C. Marchetti, Phys. Rev. Lett. **97**, 268101 (2006).