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- Indian Centre for Space PhysicsIN143 papers
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14 papers · 2 filters
Lagrangian and Hamiltonian formulations of higher order Chern-Simons theories
Sarmishtha Kumar
We consider models involving the higher (third) derivative extension of the abelian Chern-Simons (CS) topological term in D=2+1 dimensions. The polarisation vectors in these models…
Collective coordinate quantization of model coupled to Hopf term revisited
Biswajit Chakraborty
We show that the system where model coupled to Hopf term can reveal fractional spin in a collective coordinate quantization scheme, provided one makes a transition to physic…
Topological aspects of Abelian gauge theory in superfield formulation
R. P. Malik
We discuss some aspects of the topological features of a non-interacting two (1+1)-dimensional Abelian gauge theory in the framework of superfield formalism. This theory is describ…
Superfield approach to a novel symmetry for non-Abelian gauge theory
R. P. Malik
In the framework of superfield formalism, we demonstrate the existence of a new local, covariant, continuous and nilpotent (dual-BRST) symmetry for the BRST invariant Lagrangian de…
Spacetime Dependent Lagrangians and Weak-Strong Duality : Sine Gordon and Massive Thirring Models
Rajsekhar Bhattacharyya, Debashis Gangopadhyay
The formalism of spacetime dependent lagrangians developed in Ref.1 is applied to the Sine Gordon and massive Thirring models.It is shown that the well-known equivalence of these m…
Local symmetries of the non-Abelian two-form
Amitabha Lahiri
It is proposed that a non-Abelian adjoint two-form in BF type theories transform inhomogeneously under the gauge group. The resulting restrictions on invariant actions are discusse…