AG — Prof. Heiko Rieger — Statistical Physics
Swarnajit Chatterjee, Ph.D
Postdoc
Department of Theoretical Physics,
Saarland University Campus, Saarbrücken
Building E2.6
Room: 1.04
Phone: +49-(0)681 302 2973
Email:
Personal Details
Date of birth: July 19, 1989Nationality: Indian
Research Interest
- Computational Statistical Physics
- Phase Ordering Kinetics in Disordered Systems
- Active Matter Physics
- Compartmental Epidemiological Modeling
Education & Experience
Postdoctoral Researcher (October 2020 to Present)
Saarland University, Saarbrücken, Germany.
Adviser: Prof. Dr. Heiko Rieger, Professor, Center for Biophysics & Department of Theoretical Physics.
Research Associate (August 2020 to September 2020)
Indian Association for the Cultivation of Science, Kolkata, India.
Adviser: Prof. Raja Paul, Professor, School of Mathematical & Computational Sciences, Indian Association for the Cultivation of Science, Kolkata, India.
Research Fellow (November 2013 to May 2020)
Indian Association for the Cultivation of Science, Kolkata, India.
Thesis Title: Characterization Of Phase Transitions & Coarsening Dynamics Of Disordered Systems With Vector Order Parameter.
Doctoral Advisor: Prof. Raja Paul, Professor, School of Mathematical & Computational Sciences, Indian Association for the Cultivation of Science, Kolkata, India.
Master of Science in Physics (2013).
Jadavpur University, Jadavpur, Kolkata 700032, West Bengal, India.
Specialization: Condensed Matter Physics.
Publications
M. Kumar, S. Chatterjee, R. Paul, and S. Puri, Ordering kinetics in the random-bond XY model, Physical Review E 96, 042127 (2017).
S. Chatterjee, S. Puri, and R. Paul, Ordering kinetics in the q-state Clock model: Scaling properties and growth laws, Physical Review E 98, 032109 (2018).
S. Chatterjee, S. Sutradhar, S. Puri, and R. Paul, Ordering kinetics in a q-state random-bond clock model: Role of vortices and interfaces, Physical Review E 101, 032128 (2020).
S. Chatterjee, A. Sarkar, S. Chatterjee, M. Karmakar, and R. Paul, Studying the progress of COVID-19 outbreak in India using SIRD model, Indian Journal of Physics 95, 1941–1957 (2021).
S. Chatterjee, A. Sarkar, M. Karmakar, S. Chatterjee, and R. Paul, SEIRD model to study the asymptomatic growth during COVID-19 pandemic in India, Indian Journal of Physics 95, 2575–2587 (2021).
A. Haldar, A. Sarkar, S. Chatterjee, and A. Basu, Mobility-induced order in active XY spins on a substrate, Phys. Rev. E 108, L032101 (2023).
A. Haldar, A. Sarkar, S. Chatterjee, and A. Basu, Active XY model on a substrate: Density fluctuations and phase ordering, Phys. Rev. E 108, 034114 (2023).
| Stability of flocking in the reciprocal two-species Vicsek model: Effects of relative population, motility, and noise |
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| submitted (2025) | [pdf], [arXiv], [movies] |
| Emergent complex phases in a discrete flocking model with reciprocal and non-reciprocal interactions |
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| Commun. Phys. 8, 186 (2025) | [pdf], [arXiv], [movies] |
| Consequence of anisotropy on flocking: the discretized Vicsek model |
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| New J. Phys. 26, 043023 (2024) | [pdf], [arXiv] |
| Jamming and flocking in the restricted active Potts model |
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| Phys. Rev. E 108, 014204 (2023) | [pdf], [arXiv] |
| Flocking of two unfriendly species: The two-species Vicsek model |
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| Phys. Rev. E 107, 024607 (2023) | [pdf], [arXiv] |
| Polar flocks with discretized directions: the active clock model approaching the Vicsek model |
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| EPL 138, 41001 (2022) | [pdf], [Supplement], [arXiv] |
| Flocking with a q-fold discrete symmetry: band-to-lane transition in the active Potts model |
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| Phys. Rev. E 102, 042601 (2020) | [pdf], [arXiv] |
| Flocking and re-orientation transition in the 4-state active Potts model |
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| EPL 130, 66001 (2020) | [pdf], [arXiv] |
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