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- Durban University of TechnologyZA28 papers
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- Inter-University Centre for Astronomy and AstrophysicsIN21 papers
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- Center for Astrophysics Harvard & SmithsonianUS11 papers
- Centre National de la Recherche ScientifiqueFR11 papers
- Indian Institute of Technology KharagpurIN11 papers
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266 papers
Particle-Wall Alignment Interaction and Active Brownian Diffusion Through Narrow Channels
Poulami Bag, Shubhadip Nayak, Pulak Kumar Ghosh
We numerically examine the impacts of particle-wall alignment interactions on active species diffusion through a structureless narrow two-dimensional channel. We consider particle-…
Effect of Convection Rolls in Motility-Induced Phase Separation of Active Janus Particles
Poulami Bag
We numerically study motility-induced phase separation of active particles in two-dimensional convection rolls. We analyse local packing-fraction distributions, density fluctuation…
Signature of Bursty Star Formation in the High-Redshift Galaxies Detected with JWST
Rupam Sarkar, Saumyadip Samui
Recent JWST observations reveal an unexpectedly slow evolution in ultraviolet luminosity functions (UV LFs) at redshifts . To investigate this phenomenon, we develop a semi…
Accelerating scaling solutions from dark matter particle creation
Sudip Halder, Jaume de Haro, Supriya Pan +3
This article opens new window to obtain accelerating scaling attractors without any need of dark energy. We study cosmological dynamics in a two-fluid system where pressureless dar…
Stability of Haagerup property under graph product
Shubhabrata Das, Partha Sarathi Ghosh
In this paper, we prove that any graph product of finitely many groups, all satisfying the Haagerup property (or Gromov's a-T-menability) also satisfies Haagerup property.
Scalar and Spinor Quasi Normal Modes of a 2D Dilatonic Blackhole
Pabitra Gayen, Ratna Koley
External non-minimally coupled scalar and spinor field perturbations have been studied in a (1 + 1) dimensional dilatonic blackhole spacetime [1, 2]. Exact analytical expressions o…