20 citations · 89 across the 15 of their papers we have counts for
15 papers
FLPR Model: (Anti-)Chiral Supervariable Approach to Quantum Symmetries
Bhupendra Chauhan, Tapobroto Bhanja
We discuss and derive the off-shell nilpotent of order two and absolutely anti-commuting Becchi-Rouet-Stora-Tyutin (BRST), anti-BRST, co-BRST and anti-co-BRST symmetry transformati…
Gravitational collapse of scalar and vector fields
Karim Mosani, Koushiki, Pankaj S. Joshi +2
We study here the unhindered gravitational collapse of spatially homogeneous (SH) scalar fields with a potential , as well as vector fields with a potenti…
Gravitational Collapse of Massless Vector Field with Positive Cosmological Constant
Tapobroto Bhanja, Ameya Kolhatkar
We investigate the dynamics of homogeneous gravitational collapse of a massless vector field in the presence of a positive cosmological constant . The corresponding density func…
A Minimal Model of Torsion Mediated Dark Matter
Basabendu Barman, Tapobroto Bhanja, Debottam Das +1
We present a minimal model of fermionic dark matter (DM), where a singlet Dirac fermion can interact with the Standard Model (SM) particles via the torsion field of gravitational o…
Universal Superspace Unitary Operator and Nilpotent (Anti-)dual BRST Symmetries: Superfield Formalism
T. Bhanja, N. Srinivas, R. P. Malik
We exploit the key concepts of the augmented version of superfield approach to Becchi-Rouet-Stora-Tyutin (BRST) formalism to derive the superspace (SUSP) dual unitary operator (and…
Universal Superspace Unitary Operator for Some Interesting Abelian Models: Superfield Approach
T. Bhanja, N. Srinivas, R. P. Malik
Within the framework of augmented version of superfield formalism, we derive the superspace unitary operator and show its usefulness in the derivation of Becchi-Rouet-Stora-Tyutin…
Superspace Unitary Operator in Superfield Approach to Non-Abelian Gauge Theory with Dirac Fields
T. Bhanja, D. Shukla, R. P. Malik
Within the framework of augmented version of the superfield approach to Becchi-Rouet-Stora-Tyutin (BRST) formalism, we derive the superspace unitary operator (and its Hermitian con…
Superspace Unitary Operator in QED with Dirac and Complex Scalar Fields: Superfield Approach
D. Shukla, T. Bhanja, R. P. Malik
We exploit the strength of the superspace (SUSP) unitary operator to obtain the results of the application of the horizontality condition (HC) within the framework of augmented ver…
(Anti-)chiral Superfield Approach to Nilpotent Symmetries: Self-Dual Chiral Bosonic Theory
N. Srinivas, T. Bhanja, R. P. Malik
We exploit the beauty and strength of the symmetry invariant restrictions on the (anti-)chiral superfields to derive the Becchi-Rouet-Stora-Tyutin (BRST), anti-BRST and (anti-)co-B…
Nilpotent Charges of a Toy Model of Hodge Theory and an = SUSY Quantum Mechanical Model: (Anti-)Chiral Supervariable Approach
T. Bhanja, N. Srinivas, R. P. Malik
We derive the nilpotent (anti-)BRST and (anti-)co-BRST symmetry transformations for the system of a toy model of Hodge theory (i.e. a rigid rotor) by exploiting the (anti-)BRST and…
Canonical brackets of a toy model for the Hodge theory without its canonical conjugate momenta
D. Shukla, T. Bhanja, R. P. Malik
We consider the toy model of a rigid rotor as an example of the Hodge theory within the framework of the Becchi-Rouet-Stora-Tyutin (BRST) formalism and show that the internal symme…
Supervariable Approach to the Nilpotent Symmetries for a Toy Model of the Hodge Theory
D. Shukla, T. Bhanja, R. P. Malik
We exploit the standard techniques of the supervariable approach to derive the nilpotent Becchi-Rouet-Stora-Tyutin (BRST) and anti-BRST symmetry transformations for a toy model of…
Self-Dual Chiral Boson: Augmented Superfield Approach
D. Shukla, T. Bhanja, R. P. Malik
We exploit the standard tools and techniques of the augmented version of Bonora-Tonin (BT) superfield formalism to derive the off-shell nilpotent and absolutely anticommuting (anti…
Novel symmetries in the modified version of two dimensional Proca theory
T. Bhanja, D. Shukla, R. P. Malik
By exploiting Stueckelberg's approach, we obtain a gauge theory for the two (1+1)-dimensional (2D) Proca theory and demonstrate that this theory is endowed with, in addition to the…
Curci-Ferrari Type Condition in Hamiltonian Formalism: A Free Spinning Relativistic Particle
A. Shukla, T. Bhanja, R. P. Malik
The Curci-Ferrari (CF)-type of restriction emerges in the description of a free spinning relativistic particle within the framework of Becchi-Rouet-Stora-Tyutin (BRST) formalism wh…