2010/12/09 by Ľubomír Martinovič, Lubomir Martinovic, Martinovic, Lubomir
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High Energy Physics - Theory (hep-th) #Quantum chaos and dynamical systems #hep-ph #hep-th
paper · pdf · doi:10.48550/arxiv.1012.2144
6 pages, talk given at the HSQCD 2010 conference, Gatchina, Russia, July 5-9, 2010
arxiv created 2010/12/09 · openalex publication_date 2010/12/09 · arxiv updated 2010/12/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Correct quantum Hamiltonians of a few exactly solvable models in two space-time dimensions are derived by taking into account operator solutions of the field equations. While two versions of the model with derivative coupling are found to be equivalent in many respects to a free theory, physical vacua of the massless Thirring and Federbush models are obtained by means of a Bogoliubov transformation in the form of a coherent state quadratic in composite boson operators. Contrary to the conventional treatment, the Federbush model is shown to have the same interacting structure in both space-like and light-front formulations.