2006/09/30 by R. P. Malik · 1 citation
Mathematics · Physics and Astronomy · #Algebra over a field #Algebraic structures and combinatorial models #BRST quantization #Black Holes and Theoretical Physics #Cohomology #Continuous symmetry #Gauge theory #Hodge theory #Homotopy and Cohomology in Algebraic Topology #Introduction to gauge theory #Mathematical physics #Mathematics #Physics #Pure mathematics #Quantum mechanics #Theoretical physics #hep-th
paper · pdf · doi:10.1142/s0217751x07037135
published as Int.J.Mod.Phys.A22:3521-3562,2007 · LaTeX file, 39 pages, brief review, journal version
openalex publication_date 2007/08/20 · arxiv created 2007/09/14 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We demonstrate that the two (1+1)-dimensional (2D) free 1-form Abelian gauge theory provides an interesting field theoretical model for the Hodge theory. The physical symmetries of the theory correspond to all the basic mathematical ingredients that are required in the definition of the de Rham cohomological operators of differential geometry. The conserved charges, corresponding to the above continuous symmetry transformations, constitute an algebra that is reminiscent of the algebra obeyed by the de Rham cohomological operators. The topological features of the above theory are discussed in terms of the BRST and co-BRST operators. The super-de Rham cohomological operators are exploited in the derivation of the nilpotent (anti-)BRST, (anti-)co-BRST symmetry transformations and the equations of motion for all the fields of the theory, within the framework of the superfield formulation. The derivation of the equations of motion, by exploiting the super-Laplacian operator, is a completely new result in the framework of the superfield approach to BRST formalism. In an Appendix, the interacting 2D Abelian gauge theory (where there is a coupling between the U(1) gauge field and the Dirac fields) is also shown to provide a tractable field theoretical model for the Hodge theory.