Field theory with the Maxima computer algebra system

Autor:	Toth, Viktor T.
Rok vydání:	2023
Předmět:	Computer Science - Symbolic Computation General Relativity and Quantum Cosmology Physics - Computational Physics
Druh dokumentu:	Working Paper
Popis:	The Maxima computer algebra system, the open-source successor to MACSYMA, the first general-purpose computer algebra system that was initially developed at the Massachusetts Institute of Technology in the late 1960s and later distributed by the United States Department of Energy, has some remarkable capabilities, some of which are implemented in the form of add-on, "share" packages that are distributed along with the core Maxima system. One such share package is itensor, for indicial tensor manipulation. One of the more remarkable features of itensor is functional differentiation. Through this, it is possible to use itensor to develop a Lagrangian field theory and derive the corresponding field equations. In the present note, we demonstrate this capability by deriving Maxwell's equations from the Maxwell Lagrangian, and exploring the properties of the system, including current conservation. Comment: 6 pages
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2308.09837 Zobrazit plný text záznamu View this record from Arxiv