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10 papers · 2 filters
Seiberg-Witten map and Galilean symmetry violation in a non-commutative planar system
Biswajit Chakraborty, Sunandan Gangopadhyay, Anirban Saha
An effective U(1) gauge invariant theory is constructed for a non-commutative Schrodinger field coupled to a background U(1)_{\star} gauge field in 2+1-dimensions using first order…
Parallel transport on non-Abelian flux tubes
Amitabha Lahiri
I propose a way of unambiguously parallel transporting fields on non-Abelian flux tubes, or strings, by means of two gauge fields. One gauge field transports along the tube, while…
Superfield Approach to Symmetries for Matter Fields in Abelian Gauge Theories
R. P. Malik
The derivation of the nilpotent (anti-)BRST symmetries for the matter fields, present in any arbitrary interacting gauge theory, has been an long-standing problem in the framework…
Nilpotent Symmetries for QED in Superfield Formalism
R. P. Malik
In the framework of superfield approach, we derive the local, covariant, continuous and nilpotent (anti-)BRST and (anti-)co-BRST symmetry transformations on the U(1) gauge field $(…
Cohomological Operators and Covariant Quantum Superalgebras
R. P. Malik
We obtain an interesting realization of the de Rham cohomological operators of differential geometry in terms of the noncommutative q-superoscillators for the supersymmetric quantu…
Membrane and Noncommutativity
Rabin Banerjee, Biswajit Chakraborty, Kuldeep Kumar
We analyse the dynamics of an open membrane, both for the free case and when it is coupled to a background three-form, whose boundary is attached to -branes. The role of boundar…