Functional Lagrange formalism for time-non-local Lagrangians

Details Functional Lagrange formalism for time-non-local Lagrangians Functional Lagrange formalism for time-non-local Lagrangians

2011-12-12

arxiv.org/abs/1112.2523v2

Physics

Mathematical Physics

13 pages, 2 figures

Scientific paper

We develop a time-non-local (TNL) formalism based on variational calculus, which allows for the analysis of TNL Lagrangians. We derive the generalized Euler-Lagrange equations starting from the Hamilton's principle and, by defining a generalized momentum, we introduce the corresponding Hamiltonian formalism. We apply the formalism to second order TNL Lagrangians and we show that it reproduces standard results in the time-local limit. An example will show how the formalism works, and will provide an interesting insight on the non-standard features of TNL equations.

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