Research PapersNo Access
General rule for boundary conditions from the action principle
https://doi.org/10.1142/S0217751X16500329Cited by:0 (Source: Crossref)
Abstract
We construct models where initial and boundary conditions can be found from the fundamental rules of physics, without the need to assume them, they will be derived from the action principle. Those constraints are established from physical viewpoint, and it is not in the form of Lagrange multipliers. We show some examples from the past and some new examples that can be useful, where constraint can be obtained from the action principle. Those actions represent physical models. We show that it is possible to use our rule to get those constraints directly.
PACS: 03.50.Kk, 11.15.Kc, 11.30.Fs, 11.30.Ly, 11.40.Dw
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