Professional Background

  • Faculty member, S N Bose National Centre for Basic Sciences, September 2020 - present.
  • Faculty member, Raman Research Institute, 2018 - 2022.
  • CEFIPRA Post-doctoral Fellow, LPTMS, Univ. Paris Sud, France, 2017-2018.
  • Post-doctoral Fellow, SISSA, Italy, 2015-2017.
  • Post-doctoral Fellow, ITF, KU Leuven, Belgium, 2013-2015.

Educational Background

  • Ph. D. from Saha Institute of Nuclear Physics, University of Calcutta in 2013.
  • M. Sc. from University of Calcutta in 2007.
  • B. Sc. from Scottish Church College, University of Calcutta in 2005.

Main area of Research : Statistical Physics

  • Research Interests : Fluctuation and response in nonequilibrium systems, active particle dynamics, stochastic resetting, nonequilibrium critical phenomena

Significant recent publications

  • From attraction to repulsion: emergent interactions in harmonically coupled active binary system, Ritwick Sarkar, Sreya Chatterjee, Urna Basu, J. Phys. A: Math. Theor. 58, 415001 (2025).


  • Emergent short-range repulsion for attractively coupled active particles, Ritwick Sarkar, Urna Basu, Soft Matter 21, 3595 (2025).


  • Inertial Dynamics of Run-and-Tumble Particle, Debraj Dutta, Anupam Kundu, Urna Basu, Chaos 35, 033109 (2025).


  • Target search by active particles, Urna Basu, Sanjib Sabhapandit, Ion Santra, in Target Search Problems edited by Denis Grebenkov, Ralf Metzler, Gleb Oshanin, Springer Cham (2024).


  • Passive Particle Driven by Brownian Motion, Urna Basu, P. L. Krapivsky, Satya N. Majumdar, Phys. Rev. E 110, 064105 (2024).


  • Harmonic chain driven by active Rubin bath: transport properties and steady-state correlations, Ritwick Sarkar, Ion Santra, Urna Basu, Proc. Royal Society A 480, 20240275 (2024).


  • Stationary states of activity-driven harmonic chains, Ritwick Sarkar, Ion Santra, Urna Basu, Phys. Rev. E 107, 014123 (2023).


  • Activity driven transport in harmonic chains, Ion Santra, Urna Basu, SciPost Phys. 13, 041 (2022).


  • Dynamics of a colloidal particle coupled to a Gaussian field: from a confinement-dependent to a non-linear memory, Urna Basu, Vincent Demery, Andrea Gambassi, SciPost Phys. 13, 078 (2022).