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Aspects of BRST Quantization
BRST-methods provide elegant and powerful tools for the construction and analysis of constrained systems, including models of particles, strings and...
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BRST BMS4 symmetry and its cocycles from horizontality conditions
The BRST structure of the extended Bondi-Metzner-Sachs symmetry group of asymptotically flat manifolds is investigated using the recently introduced...
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Spectrum, Vertices, and BRST Quantization
We present the modern covariant quantization of perturbative string theory á la BRST. We determine the physical spectrum of the several string...
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Geometric BV for twisted Courant sigma models and the BRST power finesse
We study twisted Courant sigma models, a class of topological field theories arising from the coupling of 3D 0-/2-form BF theory and Chern-Simons...
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3D Jackiw–Pi model: (anti-)chiral superfield approach to BRST formalism
We discuss and derive the continuous Becchi–Rouet–Stora–Tyutin (BRST) and anti-BRST symmetry transformations for the Jackiw–Pi (JP) model of three (2...
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Generalized canonical approach to deformation problem in gauge theories
We develop a general approach to constructing a deformation that describes the map** of any dynamical system with irreducible first-class...
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Hamiltonian Quantization and BRST Symmetry of Skyrmion Models
In this chapter, in the framework of Dirac quantization, SU(2) Skyrmion is canonically quantized to yield modified predictions of static properties...
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Soft-collinear effective theory: BRST formulation
We provide a BRST formalism for the soft-collinear effective theory describing interactions of soft and collinear degrees of freedom in the presence...
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QCD factorization of quasi generalized gluon distributions
We study the factorization relations between quasi gluon GPDs and twist-2 GPDs. The perturbative coefficient functions are obtained at one-loop...
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Free BRST String Field Theory
In this chapter, we construct the BRST (or covariant) free bosonic string field theories. It is useful to first ignore the interactions in order to...
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Generalized symmetries as homotopy Lie algebras
Homotopy Lie algebras are a generalization of differential graded Lie algebras encoding both the kinematics and dynamics of a given field theory....
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Extended BRST–anti-BRST transformations in non-Abelian self-dual Chern–Simons coupling theory
We establish the extended BRST and anti-BRST transformations for non-Abelian relativistic self-dual Chern–Simons theory coupled to scalar fields...
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Hamiltonian BRST-invariant deformations in Abelian gauge theory with higher derivative matter fields
We construct the consistent interactions among the Abelian gauge fields and various higher derivative matter fields within the framework of the...
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Covariant generalized conserved charges of General Relativity
Motivated by the current research of generalized symmetries and the construction of conserved charges in pure Einstein gravity linearized over...
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Supervariable approach to particle on a torus knot: a model for Hodge theory
We analyze a particle constrained to move on a ( p , q )-torus knot within the framework of supervariable approach and deduce the BRST as well as...
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FLPR model: supervariable approach and a model for Hodge theory
We procure the complete set of (anti-)BRST as well as (anti-)co-BRST symmetry transformations of the Friedberg-Lee-Pang-Ren (FLPR) model within the...
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The pure BRST Einstein-Hilbert Lagrangian from the double-copy to cubic order
We construct the pure gravity Becchi-Rouet-Stora-Tyutin (BRST) Einstein-Hilbert Lagrangian, to cubic order, using the BRST convolution product of two...