Laboratoire de Physique Théorique de la Matière Condensée


Chargé de recherche au CNRS

Tour 13/23 - 5ème étage, bureau 528 (campus Jussieu)

Research interests: nonequilibrium statistical mechanics, active matter, cell motility, stochastic thermodynamics


  1. H. Chaté and A. Solon
    Dynamic Scaling of Two-Dimensional Polar Flocks
  2. O. Granek, Y. Kafri, M. Kardar, S. Ro, A. Solon, J. Tailleur
    Inclusions, Boundaries and Disorder in Scalar Active Matter
  3. A. Solon
    Thirty years of surprises about collective motion
    Europhysics News 55-3 (2024), Article
  4. E. Bertin and A. Solon
    Biased motility-induced phase separation: from chemotaxis to traffic jams
    J. Stat. Mech. 053201 (2024), Article, Preprint
  5. B. Benvegnen, O. Granek, S. Ro, R. Yaacoby, H. Chaté, Y. Kafri, D. Mukamel, A. Solon, J. Tailleur
    Metastability of Discrete-Symmetry Flocks
    Phys. Rev. Lett. 131, 218301 (2023), Article, Preprint
  6. J. O'Byrne, A. Solon, J. Tailleur and Y. Zhao
    An Introduction to Motility-Induced Phase Separation
    In "Out-of-Equilibrium Soft Matter", Royal Society of Chemistry (2023), Preprint
  7. M. Besse, H. Chaté, and A. Solon
    Metastability of Constant-Density Flocks
    Phys. Rev. Lett. 129, 268003 (2022), Article, Preprint
  8. A. Squarcini, A. Solon, P. Viot, G. Oshanin
    Fractional Brownian Gyrator
    J. Phys. A: Math. Theor. 55 485001 (2022), Article, Preprint
  9. B. Benvegnen, H. Chaté, P. Krapivsky, J. Tailleur, A. Solon
    Flocking in One Dimension: Asters and Reversals
    Phys. Rev. E 106, 054608 (2022), Article, Preprint
  10. A. Solon, H. Chaté, J. Toner, J. Tailleur
    Susceptibility of Polar Flocks to Spatial Anisotropy
    Phys. Rev. Lett. 128, 208004 (2022), Article, Preprint
    Commentary by Étienne Fodor and Alessandro Manacorda in the Journal Club for Condensed Matter Physics
  11. S. Gokhale, J. Li, A. Solon, J. Gore and N. Fakhri
    Dynamic clustering of passive colloids in dense suspensions of motile bacteria
    Phys. Rev. E 105, 054605 (2022), Article, Preprint
  12. A. Solon and J. M. Horowitz
    On the Einstein relation between mobility and diffusion coefficient in an active bath
    J. Phys. A: Math. Theor. 55 (2022), Article, Preprint
  13. A. Squarcini, A. Solon and G. Oshanin
    Spectral density of individual trajectories of an active Brownian particle
    New J. Phys. 24 013018 (2022), Article, Preprint
  14. D. Martin, H. Chaté, C. Nardini, A. Solon, J. Tailleur and F. van Wijland
    Fluctuation-induced phase separation in metric and topological models of collective motion
    Phys. Rev. Lett. 126, 148001 (2021), Paper, Preprint
  15. X.-q. Shi, G. Fausti, H. Chaté, C. Nardini, A. Solon
    Self-Organized Critical Coexistence Phase in Repulsive Active Particles
    Phys. Rev. Lett. 125, 168001 (2020), Paper, Preprint
  16. O. Granek, Y. Baek, Y. Kafri, A. P. Solon
    Bodies in an Interacting Active Fluid: Far-Field Influence of a Single Body and Interaction Between Two Bodies
    J. Stat. Mech.: Theory Exp, 063211 (2020), Preprint, Paper
  17. G. Gomppper et al
    The 2020 Motile Active Matter Roadmap
    J. Phys. Cond. Mat., 32(19), 193001 (2020), Paper, Preprint
  18. Y. Ben Dor, E. Woillez, Y. Kafri, M. Kardar, A. P. Solon
    Ramifications of disorder on active particles in one dimension
    Phys. Rev. E 100, 052610 (2019), Paper, Preprint
  19. K. Asheichyk, A. Solon, C. Rohwer and M. Krüger
    Response of active Brownian particles to shear flow
    J. Chem. Phys. 150, 144111 (2019), Paper, Preprint
  20. F. Ginot, A. Solon, Y. Kafri, C. Ybert, J. Tailleur and C. Cottin-Bizonne
    Sedimentation of self-propelled Janus colloids: polarization and pressure
    New J. Phys. 20 115001 (2018), Paper, Preprint
  21. A. P. Solon, J. Stenhammar, M. E. Cates, Y. Kafri and J. Tailleur
    Generalized thermodynamics of Motility-Induced Phase Separation: Phase equilibria, Laplace pressure, and change of ensembles
    New J. Phys. 20, 075001 (2018), Paper, Preprint
  22. A. P. Solon and J. M. Horowitz
    Phase transition in protocols minimizing work fluctuations
    Phys. Rev. Lett. 120, 180605 (2018), Paper, Preprint
  23. M. Krüger, A. Solon, V. Démery, C. M. Rohwer and D. S. Dean
    Stresses in non-equilibrium fluids: Exact formulation and coarse grained theory
    J. Chem. Phys. 148, 084503 (2018), Paper, Preprint
  24. C. M. Rohwer, A. Solon, M. Kardar and M. Krüger
    Nonequilibrium forces following quenches in active and thermal matter
    Phys. Rev. E 97, 032125 (2018), Paper, Preprint
  25. Y. Baek, A. P. Solon, X. Xu, N. Nikola, and Y. Kafri
    Generic long-range interactions between passive bodies in an active fluid
    Phys. Rev. Lett. 120, 058002 (2018), Paper, Preprint
  26. A. P. Solon, J. Stenhammar, M. E. Cates, Y. Kafri and J. Tailleur
    Generalized Thermodynamics of Phase Equilibria in Scalar Active Matter
    Phys. Rev. E 97, 020602(R) (2018), Paper, Preprint
  27. Y. Fily, Y. Kafri, A. P. Solon, J. Tailleur and A. Turner
    Mechanical pressure and momentum conservation in dry active matter
    J. Phys. A: Math. Theor. 51 (2017), Paper, Preprint
  28. A. P. Solon, G. Bunin, S. Chu, and M. Kardar
    Optimal paths on the road network as directed polymers
    Phys. Rev. E 96, 050301(R) (2017), Paper, Preprint
  29. J. d'Alessandro, A. P. Solon, Y. Hayakawa, C. Anjard, F. Detcheverry, J.-P. Rieu and C. Rivière
    Contact enhancement of locomotion in spreading cell colonies
    Nature Physics 13, 999-1005 (2017), Paper, Preprint
  30. R. Zakine, A. Solon, T. Gingrich and F. van Wijland
    Stochastic Stirling engine operating in contact with active baths
    Entropy 19(5) (2017), Paper, Preprint
  31. N. Nikola, A. P. Solon, Y. Kafri, M. Kardar, J. Tailleur and R. Voituriez
    Active particles on curved surfaces: Equation of state, ratchets, and instabilities
    Phys. Rev. Lett. 117, 098001 (2016), Paper, Preprint
  32. A. P. Solon, J.-B. Caussin, D. Bartolo, H. Chaté and J. Tailleur
    Pattern formation in flocking models: A hydrodynamic description
    Phys. Rev. E 92, 062111 (2015), Paper, Preprint
  33. A. P. Solon and J. Tailleur
    Flocking with discrete symmetry: the 2d Active Ising Model
    Phys. Rev. E 92, 042119 (2015), Paper, Preprint
  34. A. P. Solon, M. E. Cates and J. Tailleur
    Active brownian particles and run-and-tumble particles: A comparative study
    Eur. Phys. J. Special Topics 224, 1231-1262 (2015), Paper, Preprint
  35. A. P. Solon, J. Stenhammar, R. Wittkowski, M. Kardar, Y. Kafri, M. E. Cates and J. Tailleur
    Pressure and Phase Equilibria in Interacting Active Brownian Spheres
    Phys. Rev. Lett. 114, 198301 (2015), Paper, Preprint
    Éric Bertin's viewpoint in Physics
    Aparna Baskaran's commentary in the Journal Club for Condensed Matter Physics
  36. A. P. Solon, Y. Fily, A. Baskaran, M. E. Cates, Y. Kafri, M. Kardar and J. Tailleur
    Pressure is not a state function for generic active fluids
    Nature Physics 11, 673-678 (2015), Paper, Preprint
  37. A. P. Solon, H. Chaté, J. Tailleur
    From Phase to Micro-Phase Separation in Flocking Models: The Essential Role of Fluctuations
    Phys. Rev. Lett. 114, 068101 (2015), Paper, Preprint
  38. J.-B. Caussin, A. P. Solon, A. Peshkov, H. Chaté, T. Dauxois, J. Tailleur, V. Vitelli, D. Bartolo
    Emergent spatial structures in flocking models: a dynamical system insight
    Phys. Rev. Lett. 112, 148102 (2014), Paper, Preprint
    Highlighted in Physics (2014)
  39. A. P. Solon, J. Tailleur
    Revisiting the flocking transition using active spins
    Phys. Rev. Lett. 111, 078101 (2013), Paper, Preprint


Habilitation à diriger des recherches

Transitions de phases et bains actifs, soutenue le 4 janvier 2022 à Sorbonne Université


Thèse de doctorat

Physique statistique de la matière active, soutenue le 8 septembre 2015 à l'Université Paris Diderot



  • 2018-current: CNRS research scientist, LPTMC, Sorbonne Université
  • 2015-2018: "Physics of Living Systems" postdoctoral fellow, MIT
  • 2012-2015: Ph.D. in theoretical physics, Laboratoire MSC, Université Paris-Diderot, supervised by Julien Tailleur
  • 2011-2012: Master Theoretical Physics of Complex Systems, Université Paris-Diderot
  • 2008-2011: Engineering school École Centrale de Lyon