Scientific software

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Along with my collaborators, I develop state-of-the-art numerical libraries for research in theoretical physics and applied mathematics. See my GitHub profile for a list of open-source projects and the list of contributors to these libraries. A summary of the selected libraries is here.

Publications

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Link to Google Scholar page

[33] G Turk, R Adhikari, and R Singh
Fluctuating hydrodynamics of an autophoretic particle near a permeable interface
J. Fluid Mech. 998, 2024 | arXiv:2310.01572

[32] AG Subramaniam, M Kumar, S Thutupalli, R Singh
Rigid flocks, undulatory gaits, and chiral foldamers in a chemically active polymer
New J. Phys. 26 083009, 2024 | arXiv:2401.14178

[31] M Kumar, A Murali, AG Subramaniam, R Singh, S Thutupalli
Emergent dynamics due to chemo-hydrodynamic self-interactions in active polymers
Nature Communications 15, 4903, 2024 | arXiv:2303.10742

[30] K Panja, J Goswami, G Nalupurackal, S Chakraborty, S Roy, B Roy, and R Singh
Nonlinear dynamics of a microparticle in a hydro-thermophoretic trap
Results Phys. 61, 107709, 2024

[29] M Emerse, H Lama, MG Basavaraj, R Singh, and DK Satapathy
Morphologies of electric-field-driven cracks in dried dispersions of ellipsoids
Phys. Rev. E 109, 024604, 2024

[28] U Nakul, S Roy, G Nalupurackal, S Chakraborty, P Siwach, J Goswami, P Edwina, SK Bajpai, R Singh, and B Roy
Studying fluctuating trajectories of optically confined passive tracers inside cells provides familiar active forces
Biomedical Optics Express 14, 5440, 2023

[27] G Nalupurackal, K Panja, S Chakraborty, S Roy, J Goswami, B Roy, and R Singh
Controlled roll rotation of a microparticle in a hydro-thermophoretic trap
Phys. Rev. Research 5, 033005, 2023

[26] G Nalupurackal, M Lokesh, R Singh, and B Roy
A hydro-thermophoretic trap near a gold surface
Biophotonics Congress: Optics in the Life Sciences 2023

[25] M Jose, R Singh, and DK Satapathy
Depletion zone in two-dimensional deposits of soft microgel particles
J. Colloid Interface Sci., 642, 364-372, 2023

[24] M Jose, R Singh, and DK Satapathy
Triple-line dynamics of a soft colloid-laden drop on a hydrophobic surface
Soft Matter, 19, 1803, 2023

[23] G Nalupurackal, M Gunaseelan, S Roy, M Lokesh, S Kumar, R Vaippully, R Singh, and B Roy
A hydro-thermophoretic trap for microparticles near a gold-coated substrate
Soft Matter, 18, 6825, 2022

[22] G Turk, R Singh, and R Adhikari
Stokes traction on an active particle
Phys. Rev. E 106, 014601, 2022 | arXiv:2109.02581

[21] YI Li et al.
Efficient Bayesian inference of fully stochastic epidemiological models with applications to COVID-19
R. Soc. open sci. 8: 211065, 2021 | arXiv:2010.11783

[20] A Caciagli, R Singh, D Joshi, R Adhikari, and E Eiser
Controlled optofluidic crystallization of colloids tethered at interfaces
Phys. Rev. Lett. 125(6), 068001, 2020 | arXiv:2003.04284
Editors’ Suggestion | Featured in Physics: small spheres freeze when hot

[19] L Kikuchi, R Singh, ME Cates, and R Adhikari
Ritz method for transition paths and quasipotentials of rare diffusive events
Phys. Rev. Research 2(3), 033208, 2020 | arXiv:2001.10759

[18] R Singh, E Tjhung, and ME Cates
Self-propulsion of active droplets without liquid-crystalline order
Phys. Rev. Research 2(3), 032024(R), 2020 | arXiv:2004.06064
Editors’ Suggestion

[17] R Singh, and R Adhikari
PyStokes: phoresis and Stokesian hydrodynamics in Python
J. Open Source Software 5(50), 2318, 2020 | arXiv:1910.00909

[16] R Adhikari et al., PyRoss technical report, arXiv:2005.09625, 2020

[15] R Singh, and R Adhikari
Age-structured impact of social distancing on the COVID-19 epidemic in India
arXiv:2003.12055, 2020

[14] A Bolitho, R Singh, and R Adhikari
Periodic orbits of active particles induced by hydrodynamic monopoles
Phys. Rev. Lett. 124(8), 088003, 2020 | arXiv:1911.10970

[13] R Singh, and ME Cates
Hydrodynamically interrupted droplet growth in scalar active matter
Phys. Rev. Lett. 123(14), 148005, 2019 | arXiv:1907.04819
Recommended with a commentary by the Journal Club for Condensed Matter Physics.

[12] R Singh, R Adhikari, and ME Cates
Competing chemical and hydrodynamic effects in autophoretic colloidal suspensions
J. Chem. Phys. 151, 044901, 2019 | arXiv:1811.04658

[11] R Singh, D Ghosh, and R Adhikari
Fast Bayesian inference of the multivariate Ornstein-Uhlenbeck process
Phys. Rev. E 98, 012136, 2018 | arXiv:1706.04961

[10] S Ghosh, R Singh, and A Banerjee
Assembly and manipulation of mesoscopic particles using micro bubbles in thermo-optical tweezers
Optical Trapping and Optical Micromanipulation XV, 10723, 310-318, 2018

[9] D Sarkar, R Singh, A Som, CK Manju, MA Ganayee, R Adhikari, and T Pradeep
Electrohydrodynamic assembly of ambient ion-derived nanoparticles to nanosheets at liquid surfaces
J. Phys. Chem. C 122, 32, 2018

[8] S Thutupalli, D Geyer, R Singh, R Adhikari, and HA Stone
Flow-induced phase separation of active particles is controlled by boundary conditions
Proc. Natl. Acad. Sci. 115(21), 5403, 2018 | arXiv:1710.10300

[7] R Singh, and R Adhikari
Generalized Stokes laws for active colloids and their applications
J. Phys. Commun. 2, 025025, 2018 | arXiv:1603.05735

[6] S Paul, A Laskar, R Singh, B Roy, R Adhikari, and A Banerjee
Direct verification of the fluctuation-dissipation relation in viscously coupled oscillators
Phys. Rev. E 96, 050102(R), 2017 | arXiv:1707.00660

[5] R Singh, and R Adhikari
Fluctuating hydrodynamics and the Brownian motion of an active colloid near a wall
Eur. J. Comp. Mech. 26, 78-97, 2017 | arXiv:1702.01403

[4] S Bera, S Paul, R Singh, D Ghosh, A Kundu, A Banerjee, and R Adhikari
Fast Bayesian inference of optical trap stiffness and particle diffusion
Sci. Rep. 7, 41638, 2017 | arXiv:1610.00315

[3] R Singh, and R Adhikari
Universal Hydrodynamic Mechanisms for Crystallization in Active Colloidal Suspensions
Phys. Rev. Lett. 117(22), 228002, 2016 | arXiv:1610.06528

[2] R Singh, S Ghose, and R Adhikari
Many-body microhydrodynamics of colloidal particles with active boundary layers
J. Stat. Mech. P06017, 2015 | arXiv:1411.0278

[1] V Yadav, R Singh, and S Mukherji
Phase-plane analysis of driven multi-lane exclusion models
J. Stat. Mech. P04004, 2012 | arXiv:1208.4916

[0] R Singh, PhD Thesis, IMSc-HBNI
Microhydrodynamics of active colloids