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Broad themes: Statistical physics, Theoretical condensed matter physics, Classical and quantum fluids, Turbulence and related multi-scale non-equilibrium phenomena in diverse systems.
Our focus is on identifying the common themes that occur in a wide variety of turbulent systems, ranging from flows on astrophysical to quantum scales. In particular, our major emphasis is on the study of various dynamical and statistical properties of turbulence and other non-equilibrium states at zero- and finite-temperatures in different quantum fluids, e.g., weakly interacting Bose-Einstein condensates both neutral and charged, superfluid 4He, analogous nonlinear optical systems, etc. The ideas developed and tested for these systems are useful for other quantum fluids as well, at least in bits and pieces, viz. polariton condensates inside semiconductor microcavities, 3He, unitary Fermi gas, neutron stars, etc.
On the more classical side, we are interested in the phenomena of irreversibility; singularities in viscous and inviscid three-dimensional turbulent flows; all within the scope of incompressible Navier-Stokes equations. We are also interested in the dynamics of large scales and bifurcation of the mean flow on a strongly turbulent background, which has applications in geophysical flows. We also work on transport of (phoretic) particles in turbulent flows.
More recently, we have also started to explore the physics of active matter systems in a fluid environment.
For more information on our research activities please visit our lab website. https://vishwanathshukla.in/
Inertial particles in superfluid turbulence: Coflow and counterflow by Shukla S., Verma A.K., Shukla V., Bhatnagar A., Pandit R. Physics of Fluids 35 - (2023)
Machine learning of Ising criticality with spin-shuffling by Basu P., Bhattacharya J. , Jakka D. , Mosomane C. , Shukla V. Under review - (2022)
Nonequilibrium Bose-Einstein condensation by Shukla V., Nazarenko S. Physical Review A 105 - (2022)
Equivalence of nonequilibrium ensembles: Two-dimensional turbulence with a dual cascade by Seshasayanan K., Eswaran K. S., Maji M. , Ghosh S. , Shukla V. arXiv preprint - (2021)
Magnus-force model for active particles trapped on superfluid vortices by Griffin A., Shukla V., Brachet M.-E., Nazarenko S. Physical Review A 101 - (2020)
Phase transition in time-reversible Navier-Stokes equations by Shukla V., Dubrulle B., Nazarenko S., Krstulovic G., Thalabard S. Physical Review E 100 - (2019)
The Statistical Properties of Superfluid Turbulence in He from the Hall-Vinen-Bekharevich-Khalatnikov Model by Verma A. K., Shukla V. , Basu A. , Pandit R. arXiv preprint arXiv:1905.01507 - (2019)
Statistical Characterization of the Time-Reversible Navier-Stokes Equation ISIRD, SRIC
Sudip Das
Area of Research: Statistical physics and turbulence
Pinaki Dutta
Area of Research: String theory
Maheswar Maji
Area of Research: Statistical Physics
Chandra Shekhar Lohani
Area of Research: Statistical Physics
Suraj Kumar Nayak
Area of Research: Statistical Physics
Arunava Das
Area of Research: Statistical Physics
Sudipto Bagchi
Area of Research: Statistical Physics
Diganta Samanta
Area of Research: Theoretical Condensed Matter Physics and Statistical Physics