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4 papers · 2 filters
A Lagrangian for DSR Particle and the Role of Noncommutativity
Subir Ghosh
In this paper we have constructed a coordinate space (or geometric) Lagrangian for a point particle that satisfies the exact Doubly Special Relativity (DSR) dispersion relation in…
Noncommutative Geometry and Geometric Phases
B. Basu, Subir Ghosh, S. Dhar
We have studied particle motion in generalized forms of noncommutative phase space, that simulate monopole and other forms of Berry curvature, that can be identified as effective i…
Study of the "Non-Abelian" Current Algebra of a Non-linear -Model
Subir Ghosh
A particular form of non-linear -model, having a global gauge invariance, is studied. The detailed discussion on current algebra structures reveals the non-abelian nature of the…
DSR Relativistic Particle in a Lagrangian formulation and Non-Commutative Spacetime: A Gauge Independent Analysis
Subir Ghosh
In this paper we have constructed a coordinate space (or geometric) Lagrangian for a point particle that satisfies the Doubly Special Relativity (DSR) dispersion relation in the Ma…