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5 papers · 2 filters
Unified Study of Planar Field Theories
Subir Ghosh
A "Master" gauge theory is constructed in 2+1-dimensions through which various gauge invariant and gauge non-invariant theories can be studied. In particular, Maxwell-Chern-Simons,…
model with Hopf interaction: the quantum theory
B. Chakraborty, Subir Ghosh, R. P. Malik
The model with Hopf interaction is quantised following the Batalin-Tyutin (BT) prescription. In this scheme, extra BT fields are introduced which allow for the existence of…
Supersymmetry without hermiticity
M. Znojil, F. Cannata, B. Bagchi +1
A new model of supersymmetry between bosons and fermions is proposed. Its representation space is spanned by states with PT symmetry and real energies but the inter-related partner…
Poincare Anomaly in Planar Field Theory
Subir Ghosh
We show the presence of Poincare anomaly in Maxwell-Chern-Simons theory with an explicit mass term, in 2+1-dimensions.
Canonical transformations and soldering
R. Banerjee, Subir Ghosh
We show that the recently developed soldering formalism in the Lagrangian approach and canonical transformations in the Hamiltonian approach are complementary. The examples of gaug…