1998/10/15 by A. T. Filippov, А. Т. Филиппов, Filippov, A. T. +2
Mathematics · Physics and Astronomy · #Algebraic structures and combinatorial models #FOS: Physical sciences #High Energy Physics - Theory (hep-th) #Quantum Chromodynamics and Particle Interactions #Quantum many-body systems #hep-th
paper · pdf · doi:10.48550/arxiv.hep-th/9810112
4 pages, LaTeX 2e, sprocl.sty. To be published in the Proceedings of 6-th International Conference on "Path-Integrals from peV to TeV" (Florence, Italy, 25-29 August 1998)
arxiv created 1998/10/15 · openalex publication_date 1998/10/15 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
A path-integral representation for the kernel of the evolution operator of general Hamiltonian systems is reviewed. We study the models with bosonic and fermionic degrees of freedom. A general scheme for introducing boundary conditions in the path-integral is given. We calculate the path-integral for the systems with quadratic first class constraints and present an explicit formula for the heat kernel in this case. These results may be applied to many quantum systems which can be reduced to the Hamiltonian systems with quadratic constraints (confined quarks, Calogero type models, string and p-brain theories, etc.).