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- Saha Institute of Nuclear PhysicsIN24 papers
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- Inter-University Centre for Astronomy and AstrophysicsIN15 papers
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- Government of West BengalIN7 papers
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4 papers · 1 filter
A field theoretic approach to the energy momentum tensor for theories coupled with gravity
Pradip Mukherjee, Anirban Saha, Amit Singha Roy
We provide a field-theoretic algorithm of obtaining energy momentum tensor (EMT) for gravitationally coupled theories. The method is based on an auxiliary field theory and equally…
Disorder induced phase transition in an opinion dynamics model: results in 2 and 3 dimensions
Sudip Mukherjee, Arnab Chatterjee
We study a model of continuous opinion dynamics with both positive and negative mutual interaction. The model shows a continuous phase transition between a phase with consensus (or…
On the question of symmetries in non-relativistic diffeomorphism invariant theories
Rabin Banerjee, Sunandan Gangopadhyay, Pradip Mukherjee
A novel algorithm is provided to couple a Galilean invariant model with curved spatial background by taking nonrelativistic limit of a unique minimally coupled relativistic theory,…
Torsional Newton-Cartan geometry from Galilean gauge theory
Rabin Banerjee, Pradip Mukherjee
Using the recently advanced Galilean gauge theory (GGT) we give a comprehensive construction of torsional Newton Cartan geometry. The coupling of a Galilean symmetric model with ba…